Table of

T
Indices Darwin slp 1882-present sea level pressure

Time 1882-present sea level pressure

months since 1960-01-01 mb above 1000

Jan 1882 6.4

Feb 1882 6.3

Mar 1882 7.5

Apr 1882 8.5

May 1882 9.4

Jun 1882 12.3

Jul 1882 13.1

Aug 1882 13.2

Sep 1882 11.8

Oct 1882 9.4

Nov 1882 9.5

Dec 1882 5.8

Jan 1883 7.3

Feb 1883 6.6

Mar 1883 9.2

Apr 1883 8.4

May 1883 10.5

Jun 1883 12.4

Jul 1883 13.0

Aug 1883 11.7

Sep 1883 11.9

Oct 1883 10.2

Nov 1883 7.2

Dec 1883 6.9

Jan 1884 7.3

Feb 1884 7.6

Mar 1884 7.5

Apr 1884 11.0

May 1884 11.2

Jun 1884 12.4

Jul 1884 13.2

Aug 1884 12.6

Sep 1884 12.0

Oct 1884 10.9

Nov 1884 9.0

Dec 1884 7.4

Jan 1885 7.3

Feb 1885 6.4

Mar 1885 8.4

Apr 1885 10.5

May 1885 12.7

Jun 1885 13.4

Jul 1885 14.1

Aug 1885 13.2

Sep 1885 13.1

Oct 1885 12.6

Nov 1885 11.1

Dec 1885 7.0

Jan 1886 7.9

Feb 1886 5.8

Mar 1886 8.4

Apr 1886 9.3

May 1886 10.3

Jun 1886 12.3

Jul 1886 11.7

Aug 1886 11.1

Sep 1886 10.7

Oct 1886 9.7

Nov 1886 8.1

Dec 1886 4.4

Jan 1887 5.6

Feb 1887 4.8

Mar 1887 7.1

Apr 1887 8.6

May 1887 10.8

Jun 1887 12.5

Jul 1887 13.6

Aug 1887 12.6

Sep 1887 12.1

Oct 1887 11.0

Nov 1887 9.4

Dec 1887 8.0

Jan 1888 5.5

Feb 1888 6.9

Mar 1888 9.7

Apr 1888 10.4

May 1888 11.2

Jun 1888 13.1

Jul 1888 13.7

Aug 1888 13.4

Sep 1888 12.6

Oct 1888 12.0

Nov 1888 9.9

Dec 1888 8.8

Jan 1889 9.0

Feb 1889 8.4

Mar 1889 10.2

Apr 1889 10.1

May 1889 11.1

Jun 1889 11.1

Jul 1889 12.8

Aug 1889 13.0

Sep 1889 10.9

Oct 1889 10.2

Nov 1889 5.8

Dec 1889 4.4

Jan 1890 4.1

Feb 1890 6.3

Mar 1890 6.8

Apr 1890 8.6

May 1890 10.8

Jun 1890 11.3

Jul 1890 12.6

Aug 1890 12.2

Sep 1890 10.6

Oct 1890 9.7

Nov 1890 9.2

Dec 1890 7.5

Jan 1891 5.3

Feb 1891 6.8

Mar 1891 9.2

Apr 1891 10.0

May 1891 12.2

Jun 1891 13.1

Jul 1891 14.2

Aug 1891 14.7

Sep 1891 13.7

Oct 1891 11.4

Nov 1891 10.1

Dec 1891 8.9

Jan 1892 6.5

Feb 1892 8.1

Mar 1892 5.9

Apr 1892 9.8

May 1892 11.7

Jun 1892 11.9

Jul 1892 13.0

Aug 1892 12.2

Sep 1892 11.2

Oct 1892 9.2

Nov 1892 8.0

Dec 1892 7.2

Jan 1893 5.7

Feb 1893 5.6

Mar 1893 8.8

Apr 1893 9.1

May 1893 11.1

Jun 1893 11.8

Jul 1893 12.2

Aug 1893 13.0

Sep 1893 11.6

Oct 1893 9.6

Nov 1893 8.6

Dec 1893 7.8

Jan 1894 3.5

Feb 1894 6.1

Mar 1894 7.5

Apr 1894 9.4

May 1894 11.7

Jun 1894 12.7

Jul 1894 13.8

Aug 1894 12.4

Sep 1894 12.0

Oct 1894 10.8

Nov 1894 9.0

Dec 1894 7.7

Jan 1895 5.5

Feb 1895 7.1

Mar 1895 8.4

Apr 1895 10.0

May 1895 12.2

Jun 1895 12.8

Jul 1895 12.9

Aug 1895 12.6

Sep 1895 11.7

Oct 1895 10.8

Nov 1895 10.8

Dec 1895 7.7

Jan 1896 6.2

Feb 1896 6.2

Mar 1896 7.8

Apr 1896 9.2

May 1896 13.7

Jun 1896 13.3

Jul 1896 13.5

Aug 1896 14.8

Sep 1896 13.6

Oct 1896 12.9

Nov 1896 10.1

Dec 1896 9.6

Jan 1897 7.6

Feb 1897 7.3

Mar 1897 9.8

Apr 1897 10.8

May 1897 12.7

Jun 1897 12.6

Jul 1897 13.7

Aug 1897 13.0

Sep 1897 11.7

Oct 1897 10.7

Nov 1897 9.1

Dec 1897 5.7

Jan 1898 6.1

Feb 1898 5.2

Mar 1898 4.0

Apr 1898 9.2

May 1898 11.5

Jun 1898 12.1

Jul 1898 13.1

Aug 1898 12.5

Sep 1898 10.7

Oct 1898 9.6

Nov 1898 6.9

Dec 1898 6.2

Jan 1899 5.5

Feb 1899 7.3

Mar 1899 6.2

Apr 1899 9.3

May 1899 11.4

Jun 1899 13.0

Jul 1899 13.5

Aug 1899 12.8

Sep 1899 12.5

Oct 1899 11.8

Nov 1899 9.8

Dec 1899 8.1

Jan 1900 7.7

Feb 1900 8.1

Mar 1900 9.9

Apr 1900 10.8

May 1900 11.5

Jun 1900 12.0

Jul 1900 12.1

Aug 1900 11.2

Sep 1900 11.4

Oct 1900 10.6

Nov 1900 9.1

Dec 1900 8.4

Jan 1901 6.5

Feb 1901 6.8

Mar 1901 7.4

Apr 1901 9.8

May 1901 11.5

Jun 1901 12.2

Jul 1901 13.2

Aug 1901 13.1

Sep 1901 12.8

Oct 1901 10.5

Nov 1901 9.9

Dec 1901 7.4

Jan 1902 5.8

Feb 1902 8.1

Mar 1902 8.1

Apr 1902 10.3

May 1902 12.8

Jun 1902 13.1

Jul 1902 14.0

Aug 1902 13.4

Sep 1902 13.4

Oct 1902 12.2

Nov 1902 10.9

Dec 1902 8.4

Jan 1903 8.1

Feb 1903 8.6

Mar 1903 5.9

Apr 1903 9.0

May 1903 11.0

Jun 1903 12.8

Jul 1903 11.6

Aug 1903 12.8

Sep 1903 11.2

Oct 1903 10.0

Nov 1903 8.4

Dec 1903 5.4

Jan 1904 5.9

Feb 1904 5.5

Mar 1904 7.1

Apr 1904 7.6

May 1904 10.8

Jun 1904 13.3

Jul 1904 13.3

Aug 1904 13.2

Sep 1904 12.0

Oct 1904 9.9

Nov 1904 10.1

Dec 1904 7.9

Jan 1905 7.7

Feb 1905 7.9

Mar 1905 10.7

Apr 1905 10.7

May 1905 11.1

Jun 1905 12.7

Jul 1905 13.7

Aug 1905 13.6

Sep 1905 11.8

Oct 1905 10.3

Nov 1905 10.8

Dec 1905 8.6

Jan 1906 6.5

Feb 1906 7.2

Mar 1906 8.6

Apr 1906 10.0

May 1906 11.1

Jun 1906 12.1

Jul 1906 12.0

Aug 1906 12.5

Sep 1906 10.5

Oct 1906 9.8

Nov 1906 7.2

Dec 1906 6.8

Jan 1907 5.0

Feb 1907 6.2

Mar 1907 8.0

Apr 1907 9.8

May 1907 11.4

Jun 1907 11.6

Jul 1907 12.4

Aug 1907 12.8

Sep 1907 12.1

Oct 1907 10.6

Nov 1907 8.7

Dec 1907 5.9

Jan 1908 7.7

Feb 1908 5.6

Mar 1908 7.3

Apr 1908 8.1

May 1908 11.2

Jun 1908 12.9

Jul 1908 13.0

Aug 1908 12.4

Sep 1908 11.7

Oct 1908 10.2

Nov 1908 8.4

Dec 1908 6.9

Jan 1909 5.6

Feb 1909 7.6

Mar 1909 5.8

Apr 1909 9.7

May 1909 10.5

Jun 1909 11.6

Jul 1909 12.1

Aug 1909 11.9

Sep 1909 11.2

Oct 1909 9.6

Nov 1909 8.3

Dec 1909 6.7

Jan 1910 4.4

Feb 1910 5.0

Mar 1910 6.8

Apr 1910 8.2

May 1910 11.1

Jun 1910 11.1

Jul 1910 11.8

Aug 1910 11.8

Sep 1910 10.6

Oct 1910 10.6

Nov 1910 7.1

Dec 1910 5.7

Jan 1911 5.5

Feb 1911 5.6

Mar 1911 7.8

Apr 1911 8.6

May 1911 11.8

Jun 1911 14.0

Jul 1911 13.5

Aug 1911 13.4

Sep 1911 12.1

Oct 1911 12.0

Nov 1911 9.9

Dec 1911 7.6

Jan 1912 7.6

Feb 1912 9.0

Mar 1912 8.1

Apr 1912 11.7

May 1912 12.4

Jun 1912 12.4

Jul 1912 12.0

Aug 1912 13.3

Sep 1912 11.2

Oct 1912 11.0

Nov 1912 8.8

Dec 1912 8.6

Jan 1913 6.0

Feb 1913 7.0

Mar 1913 6.9

Apr 1913 9.6

May 1913 12.4

Jun 1913 13.3

Jul 1913 13.9

Aug 1913 13.0

Sep 1913 13.3

Oct 1913 11.9

Nov 1913 10.1

Dec 1913 8.1

Jan 1914 8.5

Feb 1914 8.5

Mar 1914 7.5

Apr 1914 10.3

May 1914 11.1

Jun 1914 13.4

Jul 1914 14.4

Aug 1914 14.7

Sep 1914 13.4

Oct 1914 13.4

Nov 1914 10.7

Dec 1914 8.6

Jan 1915 8.6

Feb 1915 7.7

Mar 1915 10.6

Apr 1915 11.3

May 1915 11.7

Jun 1915 11.7

Jul 1915 12.0

Aug 1915 12.6

Sep 1915 10.5

Oct 1915 9.9

Nov 1915 8.5

Dec 1915 5.4

Jan 1916 5.2

Feb 1916 5.9

Mar 1916 7.6

Apr 1916 9.8

May 1916 9.9

Jun 1916 10.4

Jul 1916 11.2

Aug 1916 12.3

Sep 1916 10.8

Oct 1916 9.0

Nov 1916 7.7

Dec 1916 4.2

Jan 1917 6.1

Feb 1917 7.3

Mar 1917 5.8

Apr 1917 8.5

May 1917 10.5

Jun 1917 11.1

Jul 1917 11.0

Aug 1917 10.9

Sep 1917 10.4

Oct 1917 9.7

Nov 1917 7.4

Dec 1917 5.1

Jan 1918 5.5

Feb 1918 5.4

Mar 1918 8.9

Apr 1918 9.0

May 1918 10.7

Jun 1918 12.4

Jul 1918 14.0

Aug 1918 13.5

Sep 1918 14.1

Oct 1918 11.2

Nov 1918 9.2

Dec 1918 8.0

Jan 1919 7.2

Feb 1919 8.8

Mar 1919 8.5

Apr 1919 9.4

May 1919 10.9

Jun 1919 12.9

Jul 1919 13.2

Aug 1919 13.7

Sep 1919 12.3

Oct 1919 11.2

Nov 1919 9.8

Dec 1919 8.1

Jan 1920 5.1

Feb 1920 6.9

Mar 1920 8.9

Apr 1920 8.9

May 1920 10.8

Jun 1920 10.2

Jul 1920 11.2

Aug 1920 12.0

Sep 1920 11.0

Oct 1920 10.2

Nov 1920 8.4

Dec 1920 5.5

Jan 1921 4.9

Feb 1921 6.5

Mar 1921 6.7

Apr 1921 10.0

May 1921 10.0

Jun 1921 10.6

Jul 1921 12.1

Aug 1921 13.1

Sep 1921 12.0

Oct 1921 10.4

Nov 1921 8.9

Dec 1921 6.2

Jan 1922 5.5

Feb 1922 5.1

Mar 1922 6.8

Apr 1922 9.4

May 1922 10.6

Jun 1922 11.6

Jul 1922 12.6

Aug 1922 12.9

Sep 1922 11.5

Oct 1922 10.6

Nov 1922 8.7

Dec 1922 6.2

Jan 1923 5.1

Feb 1923 6.5

Mar 1923 6.4

Apr 1923 8.1

May 1923 10.2

Jun 1923 11.6

Jul 1923 13.9

Aug 1923 14.6

Sep 1923 12.4

Oct 1923 11.4

Nov 1923 9.5

Dec 1923 7.0

Jan 1924 7.4

Feb 1924 6.8

Mar 1924 7.3

Apr 1924 9.4

May 1924 10.5

Jun 1924 12.3

Jul 1924 13.2

Aug 1924 12.8

Sep 1924 12.0

Oct 1924 9.5

Nov 1924 8.0

Dec 1924 5.8

Jan 1925 5.4

Feb 1925 3.9

Mar 1925 5.2

Apr 1925 7.9

May 1925 10.5

Jun 1925 12.1

Jul 1925 13.9

Aug 1925 12.8

Sep 1925 12.8

Oct 1925 11.6

Nov 1925 10.3

Dec 1925 8.3

Jan 1926 6.5

Feb 1926 8.5

Mar 1926 9.4

Apr 1926 10.2

May 1926 11.1

Jun 1926 12.8

Jul 1926 12.9

Aug 1926 12.9

Sep 1926 11.4

Oct 1926 9.8

Nov 1926 9.5

Dec 1926 6.5

Jan 1927 5.1

Feb 1927 6.9

Mar 1927 6.8

Apr 1927 8.6

May 1927 10.7

Jun 1927 11.8

Jul 1927 12.4

Aug 1927 13.3

Sep 1927 12.4

Oct 1927 11.2

Nov 1927 9.5

Dec 1927 7.1

Jan 1928 8.3

Feb 1928 5.8

Mar 1928 6.5

Apr 1928 9.0

May 1928 11.9

Jun 1928 12.8

Jul 1928 12.7

Aug 1928 13.2

Sep 1928 11.7

Oct 1928 9.3

Nov 1928 9.6

Dec 1928 6.3

Jan 1929 3.1

Feb 1929 4.3

Mar 1929 7.4

Apr 1929 9.5

May 1929 11.9

Jun 1929 13.4

Jul 1929 13.7

Aug 1929 13.2

Sep 1929 12.5

Oct 1929 10.8

Nov 1929 8.0

Dec 1929 6.3

Jan 1930 4.8

Feb 1930 6.6

Mar 1930 8.2

Apr 1930 10.0

May 1930 12.0

Jun 1930 12.9

Jul 1930 13.5

Aug 1930 13.6

Sep 1930 13.2

Oct 1930 11.7

Nov 1930 10.8

Dec 1930 7.9

Jan 1931 6.3

Feb 1931 8.3

Mar 1931 8.6

Apr 1931 9.4

May 1931 11.4

Jun 1931 12.7

Jul 1931 13.2

Aug 1931 12.5

Sep 1931 11.2

Oct 1931 11.4

Nov 1931 8.9

Dec 1931 6.8

Jan 1932 5.3

Feb 1932 7.4

Mar 1932 7.9

Apr 1932 10.2

May 1932 11.0

Jun 1932 12.5

Jul 1932 13.5

Aug 1932 13.5

Sep 1932 11.7

Oct 1932 10.2

Nov 1932 9.0

Dec 1932 6.4

Jan 1933 6.8

Feb 1933 5.5

Mar 1933 6.7

Apr 1933 9.5

May 1933 3.0

Jun 1933 13.3

Jul 1933 11.7

Aug 1933 9.8

Sep 1933 8.1

Oct 1933 6.4

Jan 1934 5.9

Feb 1934 7.3

Mar 1934 7.0

Apr 1934 8.8

May 1934 11.4

Jun 1934 11.7

Jul 1934 12.5

Aug 1934 13.6

Sep 1934 12.2

Oct 1934 10.9

Nov 1934 8.6

Dec 1934 7.4

Jan 1935 5.4

Feb 1935 7.4

Mar 1935 6.0

Apr 1935 9.4

May 1935 12.0

Jun 1935 12.8

Jul 1935 12.7

Aug 1935 13.5

Sep 1935 10.8

Oct 1935 9.7

Nov 1935 9.2

Dec 1935 8.1

Jan 1936 6.7

Feb 1936 6.9

Mar 1936 7.6

Apr 1936 9.1

May 1936 10.1

Jun 1936 12.6

Jul 1936 12.5

Aug 1936 12.1

Sep 1936 11.6

Oct 1936 10.7

Nov 1936 9.4

Dec 1936 6.8

Jan 1937 5.2

Feb 1937 7.8

Mar 1937 6.0

Apr 1937 9.2

May 1937 12.0

Jun 1937 12.2

Jul 1937 13.4

Aug 1937 12.6

Sep 1937 12.5

Oct 1937 10.9

Nov 1937 8.3

Dec 1937 6.5

Jan 1938 5.2

Feb 1938 5.6

Mar 1938 8.0

Apr 1938 9.0

May 1938 9.8

Jun 1938 11.4

Jul 1938 11.8

Aug 1938 11.7

Sep 1938 11.7

Oct 1938 10.7

Nov 1938 7.8

Dec 1938 6.8

Jan 1939 4.8

Feb 1939 5.9

Mar 1939 6.5

Apr 1939 9.1

May 1939 11.2

Jun 1939 12.4

Jul 1939 12.8

Aug 1939 11.6

Sep 1939 13.3

Oct 1939 11.6

Nov 1939 9.2

Dec 1939 9.2

Jan 1940 5.7

Feb 1940 6.5

Mar 1940 8.7

Apr 1940 10.7

May 1940 12.2

Jun 1940 14.0

Jul 1940 14.3

Aug 1940 14.1

Sep 1940 14.1

Oct 1940 13.8

Nov 1940 9.6

Dec 1940 9.9

Jan 1941 7.8

Feb 1941 9.7

Mar 1941 8.7

Apr 1941 10.6

May 1941 11.2

Jun 1941 13.7

Jul 1941 15.4

Aug 1941 14.5

Sep 1941 12.7

Oct 1941 11.9

Nov 1941 9.2

Dec 1941 8.8

Jan 1942 8.5

Feb 1942 6.3

Mar 1942 8.6

Apr 1942 10.3

May 1942 9.8

Jun 1942 11.8

Jul 1942 13.2

Aug 1942 12.1

Sep 1942 11.1

Oct 1942 9.5

Nov 1942 8.3

Dec 1942 6.7

Jan 1943 6.3

Feb 1943 4.9

Mar 1943 7.4

Apr 1943 8.8

May 1943 10.8

Jun 1943 13.1

Jul 1943 12.6

Aug 1943 12.0

Sep 1943 11.1

Oct 1943 9.7

Nov 1943 8.4

Dec 1943 7.7

Jan 1944 7.2

Feb 1944 6.7

Mar 1944 7.6

Apr 1944 10.2

May 1944 11.6

Jun 1944 13.1

Jul 1944 14.0

Aug 1944 13.5

Sep 1944 12.4

Oct 1944 11.3

Nov 1944 9.0

Dec 1944 6.3

Jan 1945 6.5

Feb 1945 6.4

Mar 1945 5.8

Apr 1945 10.3

May 1945 11.3

Jun 1945 11.8

Jul 1945 13.4

Aug 1945 12.2

Sep 1945 11.9

Oct 1945 11.1

Nov 1945 9.3

Dec 1945 7.2

Jan 1946 6.3

Feb 1946 5.5

Mar 1946 8.6

Apr 1946 10.4

May 1946 11.6

Jun 1946 13.2

Jul 1946 13.8

Aug 1946 13.4

Sep 1946 12.7

Oct 1946 11.8

Nov 1946 9.2

Dec 1946 7.3

Jan 1947 7.5

Feb 1947 6.3

Mar 1947 7.0

Apr 1947 9.6

May 1947 12.4

Jun 1947 12.6

Jul 1947 13.2

Aug 1947 11.6

Sep 1947 11.5

Oct 1947 10.6

Nov 1947 8.2

Dec 1947 6.7

Jan 1948 7.3

Feb 1948 6.5

Mar 1948 7.6

Apr 1948 9.0

May 1948 10.8

Jun 1948 12.7

Jul 1948 12.3

Aug 1948 12.2

Sep 1948 12.2

Oct 1948 10.4

Nov 1948 7.6

Dec 1948 7.7

Jan 1949 7.3

Feb 1949 5.6

Mar 1949 6.2

Apr 1949 10.1

May 1949 11.1

Jun 1949 13.5

Jul 1949 13.0

Aug 1949 13.4

Sep 1949 11.8

Oct 1949 9.8

Nov 1949 9.0

Dec 1949 5.2

Jan 1950 4.7

Feb 1950 4.3

Mar 1950 6.5

Apr 1950 7.7

May 1950 9.9

Jun 1950 10.7

Jul 1950 12.1

Aug 1950 12.0

Sep 1950 11.7

Oct 1950 9.5

Nov 1950 6.5

Dec 1950 4.4

Jan 1951 5.3

Feb 1951 5.1

Mar 1951 7.0

Apr 1951 9.4

May 1951 11.9

Jun 1951 11.2

Jul 1951 13.3

Aug 1951 13.2

Sep 1951 12.5

Oct 1951 11.4

Nov 1951 9.5

Dec 1951 8.9

Jan 1952 6.7

Feb 1952 7.1

Mar 1952 8.3

Apr 1952 10.3

May 1952 10.3

Jun 1952 12.5

Jul 1952 13.0

Aug 1952 12.6

Sep 1952 12.1

Oct 1952 9.9

Nov 1952 7.7

Dec 1952 8.4

Jan 1953 6.9

Feb 1953 7.3

Mar 1953 8.0

Apr 1953 8.9

May 1953 13.1

Jun 1953 12.5

Jul 1953 13.9

Aug 1953 13.0

Sep 1953 13.2

Oct 1953 10.8

Nov 1953 9.4

Dec 1953 8.1

Jan 1954 4.9

Feb 1954 7.3

Mar 1954 7.7

Apr 1954 7.7

May 1954 10.1

Jun 1954 12.3

Jul 1954 12.4

Aug 1954 11.8

Sep 1954 11.9

Oct 1954 10.7

Nov 1954 9.1

Dec 1954 6.5

Jan 1955 8.3

Feb 1955 3.7

Mar 1955 6.7

Apr 1955 8.9

May 1955 9.4

Jun 1955 10.9

Jul 1955 11.7

Aug 1955 11.4

Sep 1955 10.9

Oct 1955 9.3

Nov 1955 7.6

Dec 1955 7.6

Jan 1956 4.8

Feb 1956 4.7

Mar 1956 6.9

Apr 1956 8.3

May 1956 9.1

Jun 1956 11.3

Jul 1956 11.2

Aug 1956 11.5

Sep 1956 11.4

Oct 1956 9.7

Nov 1956 8.7

Dec 1956 5.6

Jan 1957 6.5

Feb 1957 6.4

Mar 1957 7.8

Apr 1957 9.5

May 1957 12.3

Jun 1957 12.5

Jul 1957 12.9

Aug 1957 13.3

Sep 1957 13.1

Oct 1957 11.5

Nov 1957 9.8

Dec 1957 7.7

Jan 1958 8.5

Feb 1958 7.1

Mar 1958 8.1

Apr 1958 8.9

May 1958 10.9

Jun 1958 11.6

Jul 1958 12.4

Aug 1958 11.6

Sep 1958 11.5

Oct 1958 9.6

Nov 1958 9.1

Dec 1958 8.3

Jan 1959 6.1

Feb 1959 8.7

Mar 1959 6.9

Apr 1959 8.9

May 1959 10.4

Jun 1959 12.8

Jul 1959 13.5

Aug 1959 13.1

Sep 1959 11.9

Oct 1959 10.5

Nov 1959 7.7

Dec 1959 6.1

Jan 1960 6.5

Feb 1960 6.7

Mar 1960 7.1

Apr 1960 8.5

May 1960 10.0

Jun 1960 12.5

Jul 1960 12.5

Aug 1960 12.5

Sep 1960 10.5

Oct 1960 10.7

Nov 1960 8.7

Dec 1960 7.2

Jan 1961 7.2

Feb 1961 6.4

Mar 1961 9.6

Apr 1961 9.2

May 1961 11.1

Jun 1961 12.8

Jul 1961 13.1

Aug 1961 13.2

Sep 1961 12.1

Oct 1961 10.4

Nov 1961 9.2

Dec 1961 6.7

Jan 1962 5.1

Feb 1962 7.4

Mar 1962 8.4

Apr 1962 9.8

May 1962 10.1

Jun 1962 11.5

Jul 1962 12.3

Aug 1962 13.3

Sep 1962 11.1

Oct 1962 9.7

Nov 1962 8.1

Dec 1962 7.3

Jan 1963 5.9

Feb 1963 8.0

Mar 1963 6.7

Apr 1963 8.5

May 1963 10.3

Jun 1963 13.3

Jul 1963 13.5

Aug 1963 12.4

Sep 1963 12.7

Oct 1963 12.4

Nov 1963 10.3

Dec 1963 9.0

Jan 1964 7.3

Feb 1964 7.1

Mar 1964 7.0

Apr 1964 9.1

May 1964 10.5

Jun 1964 11.8

Jul 1964 12.0

Aug 1964 12.1

Sep 1964 10.4

Oct 1964 9.5

Nov 1964 7.8

Dec 1964 7.6

Jan 1965 6.3

Feb 1965 5.7

Mar 1965 6.9

Apr 1965 11.2

May 1965 11.2

Jun 1965 14.0

Jul 1965 15.5

Aug 1965 13.7

Sep 1965 13.3

Oct 1965 12.4

Nov 1965 10.4

Dec 1965 6.6

Jan 1966 7.5

Feb 1966 6.7

Mar 1966 8.6

Apr 1966 9.9

May 1966 12.3

Jun 1966 13.3

Jul 1966 12.9

Aug 1966 12.6

Sep 1966 12.1

Oct 1966 11.3

Nov 1966 8.9

Dec 1966 7.6

Jan 1967 5.0

Feb 1967 5.6

Mar 1967 7.2

Apr 1967 10.7

May 1967 11.0

Jun 1967 12.5

Jul 1967 12.8

Aug 1967 12.8

Sep 1967 12.7

Oct 1967 10.8

Nov 1967 8.9

Dec 1967 7.8

Jan 1968 4.1

Feb 1968 5.1

Mar 1968 8.2

Apr 1968 9.7

May 1968 9.5

Jun 1968 12.2

Jul 1968 12.7

Aug 1968 12.7

Sep 1968 12.2

Oct 1968 11.0

Nov 1968 9.8

Dec 1968 7.3

Jan 1969 5.8

Feb 1969 6.3

Mar 1969 8.3

Apr 1969 10.9

May 1969 11.0

Jun 1969 12.7

Jul 1969 13.5

Aug 1969 13.4

Sep 1969 11.8

Oct 1969 11.5

Nov 1969 9.1

Dec 1969 6.9

Jan 1970 8.2

Feb 1970 7.2

Mar 1970 7.2

Apr 1970 10.0

May 1970 10.6

Jun 1970 11.8

Jul 1970 13.8

Aug 1970 12.0

Sep 1970 10.1

Oct 1970 8.7

Nov 1970 7.5

Dec 1970 5.2

Jan 1971 5.8

Feb 1971 4.5

Mar 1971 6.0

Apr 1971 8.0

May 1971 10.4

Jun 1971 13.0

Jul 1971 12.5

Aug 1971 11.7

Sep 1971 10.8

Oct 1971 9.5

Nov 1971 8.3

Dec 1971 5.8

Jan 1972 5.8

Feb 1972 5.1

Mar 1972 6.7

Apr 1972 10.6

May 1972 13.7

Jun 1972 12.8

Jul 1972 13.8

Aug 1972 13.8

Sep 1972 13.7

Oct 1972 12.6

Nov 1972 9.8

Dec 1972 9.6

Jan 1973 7.3

Feb 1973 8.3

Mar 1973 7.0

Apr 1973 9.0

May 1973 10.8

Jun 1973 11.0

Jul 1973 12.4

Aug 1973 11.5

Sep 1973 11.4

Oct 1973 10.0

Nov 1973 5.7

Dec 1973 6.6

Jan 1974 4.0

Feb 1974 4.4

Mar 1974 5.5

Apr 1974 8.8

May 1974 11.0

Jun 1974 12.4

Jul 1974 12.6

Aug 1974 12.1

Sep 1974 11.0

Oct 1974 9.6

Nov 1974 7.7

Dec 1974 6.1

Jan 1975 6.4

Feb 1975 6.9

Mar 1975 6.6

Apr 1975 7.8

May 1975 10.4

Jun 1975 11.4

Jul 1975 11.7

Aug 1975 11.3

Sep 1975 10.4

Oct 1975 8.9

Nov 1975 8.0

Dec 1975 5.5

Jan 1976 5.1

Feb 1976 5.4

Mar 1976 5.6

Apr 1976 9.9

May 1976 12.0

Jun 1976 12.6

Jul 1976 14.0

Aug 1976 14.1

Sep 1976 12.9

Oct 1976 9.9

Nov 1976 7.8

Dec 1976 6.5

Jan 1977 5.9

Feb 1977 5.6

Mar 1977 8.1

Apr 1977 9.3

May 1977 11.3

Jun 1977 13.5

Jul 1977 13.6

Aug 1977 13.6

Sep 1977 12.9

Oct 1977 12.3

Nov 1977 10.0

Dec 1977 8.1

Jan 1978 8.2

Feb 1978 8.9

Mar 1978 9.5

Apr 1978 10.1

May 1978 9.3

Jun 1978 11.1

Jul 1978 11.3

Aug 1978 11.9

Sep 1978 11.6

Oct 1978 10.7

Nov 1978 9.1

Dec 1978 7.4

Jan 1979 6.0

Feb 1979 6.9

Mar 1979 7.9

Apr 1979 9.7

May 1979 11.2

Jun 1979 12.6

Jul 1979 11.1

Aug 1979 13.3

Sep 1979 11.7

Oct 1979 11.0

Nov 1979 9.1

Dec 1979 8.5

Jan 1980 5.9

Feb 1980 6.3

Mar 1980 7.2

Apr 1980 9.7

May 1980 11.3

Jun 1980 12.5

Jul 1980 13.2

Aug 1980 13.4

Sep 1980 12.7

Oct 1980 10.7

Nov 1980 9.1

Dec 1980 7.3

Jan 1981 5.1

Feb 1981 6.2

Mar 1981 9.9

Apr 1981 9.9

May 1981 10.5

Jun 1981 11.5

Jul 1981 11.8

Aug 1981 12.4

Sep 1981 11.5

Oct 1981 11.1

Nov 1981 8.4

Dec 1981 7.5

Jan 1982 6.3

Feb 1982 7.0

Mar 1982 7.5

Apr 1982 10.1

May 1982 11.9

Jun 1982 13.9

Jul 1982 14.5

Aug 1982 14.7

Sep 1982 14.0

Oct 1982 12.5

Nov 1982 11.1

Dec 1982 9.3

Jan 1983 9.8

Feb 1983 10.3

Mar 1983 10.1

Apr 1983 10.1

May 1983 11.7

Jun 1983 13.3

Jul 1983 14.4

Aug 1983 14.1

Sep 1983 12.1

Oct 1983 10.5

Nov 1983 9.7

Dec 1983 8.5

Jan 1984 7.1

Feb 1984 5.3

Mar 1984 8.1

Apr 1984 10.1

May 1984 11.1

Jun 1984 13.2

Jul 1984 13.2

Aug 1984 12.2

Sep 1984 11.8

Oct 1984 11.3

Nov 1984 9.3

Dec 1984 5.1

Jan 1985 7.5

Feb 1985 5.4

Mar 1985 6.1

Apr 1985 7.5

May 1985 9.4

Jun 1985 12.6

Jul 1985 13.6

Aug 1985 12.4

Sep 1985 11.5

Oct 1985 10.7

Nov 1985 8.4

Dec 1985 7.6

Jan 1986 4.7

Feb 1986 6.9

Mar 1986 8.4

Apr 1986 9.3

May 1986 11.6

Jun 1986 11.0

Jul 1986 12.8

Aug 1986 12.0

Sep 1986 12.2

Oct 1986 10.9

Nov 1986 9.3

Dec 1986 9.7

Jan 1987 7.1

Feb 1987 7.4

Mar 1987 10.7

Apr 1987 11.5

May 1987 12.6

Jun 1987 13.1

Jul 1987 14.7

Aug 1987 14.3

Sep 1987 13.5

Oct 1987 11.2

Nov 1987 8.9

Dec 1987 7.8

Jan 1988 7.8

Feb 1988 6.7

Mar 1988 6.8

Apr 1988 10.1

May 1988 10.8

Jun 1988 13.9

Jul 1988 12.8

Aug 1988 12.5

Sep 1988 10.6

Oct 1988 9.1

Nov 1988 7.4

Dec 1988 6.5

Jan 1989 5.4

Feb 1989 6.8

Mar 1989 7.3

Apr 1989 7.6

May 1989 10.1

Jun 1989 12.8

Jul 1989 12.1

Aug 1989 13.3

Sep 1989 11.7

Oct 1989 9.9

Nov 1989 8.7

Dec 1989 8.9

Jan 1990 6.9

Feb 1990 10.0

Mar 1990 8.3

Apr 1990 9.7

May 1990 10.3

Jun 1990 12.4

Jul 1990 12.8

Aug 1990 13.5

Sep 1990 13.3

Oct 1990 10.9

Nov 1990 9.1

Dec 1990 7.7

Jan 1991 6.3

Feb 1991 6.5

Mar 1991 9.5

Apr 1991 9.9

May 1991 12.6

Jun 1991 13.3

Jul 1991 13.4

Aug 1991 14.0

Sep 1991 13.3

Oct 1991 11.1

Nov 1991 10.1

Dec 1991 8.5

Jan 1992 10.1

Feb 1992 7.7

Mar 1992 10.5

Apr 1992 11.0

May 1992 11.1

Jun 1992 12.5

Jul 1992 14.9

Aug 1992 12.8

Sep 1992 11.2

Oct 1992 11.2

Nov 1992 9.5

Dec 1992 7.3

Jan 1993 6.8

Feb 1993 6.4

Mar 1993 10.1

Apr 1993 11.4

May 1993 12.4

Jun 1993 13.9

Jul 1993 13.5

Aug 1993 15.1

Sep 1993 13.4

Oct 1993 12.0

Nov 1993 9.0

Dec 1993 7.0

Jan 1994 6.7

Feb 1994 6.5

Mar 1994 9.4

Apr 1994 10.8

May 1994 12.0

Jun 1994 12.9

Jul 1994 14.1

Aug 1994 14.9

Sep 1994 13.5

Oct 1994 11.9

Nov 1994 9.8

Dec 1994 9.3

Jan 1995 7.0

Feb 1995 7.8

Mar 1995 7.2

Apr 1995 9.6

May 1995 11.6

Jun 1995 13.0

Jul 1995 12.7

Aug 1995 13.2

Sep 1995 12.0

Oct 1995 10.2

Nov 1995 8.8

Dec 1995 7.5

Jan 1996 5.7

Feb 1996 6.2

Mar 1996 7.4

Apr 1996 9.0

May 1996 12.2

Jun 1996 12.4

Jul 1996 12.5

Aug 1996 12.4

Sep 1996 10.3

Oct 1996 9.7

Nov 1996 8.4

Dec 1996 5.6

Jan 1997 7.3

Feb 1997 4.8

Mar 1997 8.6

Apr 1997 11.9

May 1997 11.9

Jun 1997 14.7

Jul 1997 14.3

Aug 1997 15.1

Sep 1997 14.7

Oct 1997 13.4

Nov 1997 11.4

Dec 1997 8.6

Jan 1998 7.8

Feb 1998 10.2

Mar 1998 10.0

Apr 1998 11.1

May 1998 11.5

Jun 1998 12.1

Jul 1998 12.6

Aug 1998 12.7

Sep 1998 11.6

Oct 1998 9.6

Nov 1998 7.3

Dec 1998 5.9

Jan 1999 4.9

Feb 1999 6.2

Mar 1999 6.3

Apr 1999 8.7

May 1999 12.1

Jun 1999 13.1

Jul 1999 13.2

Aug 1999 14.0

Sep 1999 12.4

Oct 1999 10.3

Nov 1999 8.0

Dec 1999 6.6

Jan 2000 6.7

Feb 2000 6.6

Mar 2000 7.4

Apr 2000 8.6

May 2000 11.7

Jun 2000 13.5

Jul 2000 13.1

Aug 2000 12.2

Sep 2000 12.0

Oct 2000 9.1

Nov 2000 6.5

Dec 2000 4.9

Jan 2001 7.2

Feb 2001 3.5

Mar 2001 7.9

Apr 2001 9.4

May 2001 12.2

Jun 2001 12.2

Jul 2001 13.4

Aug 2001 13.3

Sep 2001 11.8

Oct 2001 9.9

Nov 2001 8.4

Dec 2001 7.7

Jan 2002 7.2

Feb 2002 6.6

Mar 2002 9.1

Apr 2002 10.0

May 2002 12.1

Jun 2002 13.1

Jul 2002 14.6

Aug 2002 13.7

Sep 2002 13.0

Oct 2002 10.5

Nov 2002 9.8

Dec 2002 9.1

Jan 2003 6.9

Feb 2003 6.6

Mar 2003 8.5

Apr 2003 10.5

May 2003 11.5

Jun 2003 13.0

Jul 2003 13.4

Aug 2003 13.0

Sep 2003 12.1

Oct 2003 10.3

Nov 2003 9.3

Dec 2003 6.2

Jan 2004 7.6

Feb 2004 6.2

Mar 2004 6.8

Apr 2004 10.6

May 2004 10.6

Jun 2004 14.5

Jul 2004 13.9

Aug 2004 13.5

Sep 2004 13.1

Oct 2004 11.1

Nov 2004 9.2

Dec 2004 7.3

Jan 2005 6.3

Feb 2005 9.0

Mar 2005 8.5

Apr 2005 11.1

May 2005 12.3

Jun 2005 12.1

Jul 2005 13.2

Aug 2005 13.5

Sep 2005 11.9

Oct 2005 9.9

Nov 2005 8.3

Dec 2005 7.7

Jan 2006 4.7

Feb 2006 7.4

Mar 2006 6.2

Apr 2006 7.7

May 2006 12.1

Jun 2006 13.5

Jul 2006 14.4

Aug 2006 14.6

Sep 2006 13.3

Oct 2006 12.9

Nov 2006 9.8

Dec 2006 8.7

Jan 2007 6.7

Feb 2007 7.1

Mar 2007 7.7

Apr 2007 10.6

May 2007 11.8

Jun 2007 11.5

Jul 2007 14.2

Aug 2007 13.4

Sep 2007 11.5

Oct 2007 10.0

Nov 2007 7.6

Dec 2007 6.0

Jan 2008 4.9

Feb 2008 4.7

Mar 2008 8.4

Apr 2008 9.9

May 2008 12.2

Jun 2008 13.1

Jul 2008 13.4

Aug 2008 13.5

Sep 2008 11.7

Oct 2008 11.0

Nov 2008 8.1

Dec 2008 6.5

Jan 2009 6.0

Feb 2009 5.2

Mar 2009 8.5

Apr 2009 9.3

May 2009 10.6

Jun 2009 12.7

Jul 2009 13.1

Aug 2009 12.9

Sep 2009 11.3

Oct 2009 11.4

Nov 2009 8.9

Dec 2009 7.9

Jan 2010 5.9

Feb 2010 7.8

Mar 2010 8.9

Apr 2010 9.6

May 2010 10.2

Jun 2010 13.2

Jul 2010 12.4

Aug 2010 12.2

Sep 2010 10.8

Oct 2010 9.3

Nov 2010 8.5

Dec 2010 4.9

Jan 2011 5.1

Feb 2011 5.0

Mar 2011 6.3

Apr 2011 8.9

May 2011 12.0

Jun 2011 13.5

Jul 2011 13.2

Aug 2011 13.6

Sep 2011 12.6

Oct 2011 10.3

Nov 2011 8.6

Dec 2011 5.0

Jan 2012 6.0

Feb 2012 7.2

Mar 2012 6.3

Apr 2012 10.7

May 2012 11.3

Jun 2012 13.3

Jul 2012 12.8

Aug 2012 14.0

Sep 2012 12.2

Oct 2012 10.8

Nov 2012 9.3

Dec 2012 7.7

Jan 2013 5.8

Feb 2013 7.2

Mar 2013 7.2

Apr 2013 9.7

May 2013 10.8

Jun 2013 11.2

Jul 2013 12.5

Aug 2013 13.1

Sep 2013 11.6

Oct 2013 10.7

Nov 2013 7.7

Dec 2013 7.7

Jan 2014 5.0

Feb 2014 6.0

Mar 2014 9.1

Apr 2014 8.9

May 2014 11.7

Jun 2014 12.5

Jul 2014 13.9

Aug 2014 14.5

Sep 2014 13.1

Oct 2014 11.6

Nov 2014 9.9

Dec 2014 7.5

Jan 2015 6.5

Feb 2015 7.8

Mar 2015 8.9

Apr 2015 10.5

May 2015 13.1

Jun 2015 13.3

Jul 2015 15.0

Aug 2015 14.8

Sep 2015 13.9

Oct 2015 13.8

Nov 2015 9.5

Dec 2015 7.0

Jan 2016 10.2

Feb 2016 8.6

Mar 2016 9.2

Apr 2016 10.8

May 2016 10.9

Jun 2016 12.2

Jul 2016 13.1

Aug 2016 12.4

Sep 2016 11.0

Oct 2016 10.4

Nov 2016 8.8

Dec 2016 6.7

Jan 2017 6.0

Feb 2017 7.1

Mar 2017 7.4

Apr 2017 9.7

May 2017 11.7

Jun 2017 13.5

Jul 2017 13.2

Aug 2017 13.0

Sep 2017 12.3

Oct 2017 9.4

Nov 2017 7.4

Dec 2017 7.3

Jan 2018 4.8

Feb 2018 7.0

Mar 2018 6.1

Apr 2018 9.5

May 2018 12.2

Jun 2018 13.7

Jul 2018 12.8

Aug 2018 13.1

Sep 2018 12.3

Oct 2018 11.0

Nov 2018 9.4

Dec 2018 6.2

Jan 2019 6.8

Feb 2019 9.0

Mar 2019 8.4

Apr 2019 10.1

May 2019 12.3

Jun 2019 13.8

Jul 2019 14.2

Aug 2019 14.3

Sep 2019 14.5

Oct 2019 11.4

Nov 2019 9.7

Dec 2019 8.4

Jan 2020 7.2

Feb 2020 7.4

Mar 2020 9.1

Apr 2020 10.5

May 2020 12.4

Jun 2020 12.9

Jul 2020 12.7

Aug 2020 12.5

Sep 2020 11.6

Oct 2020 10.0

Nov 2020 9.0

Dec 2020 6.5

Jan 2021 5.6

Feb 2021 5.0

Mar 2021 8.1

Apr 2021 9.7

May 2021 11.3

Jun 2021 13.1

Jul 2021 12.3

Aug 2021 13.3

Sep 2021 12.0

Oct 2021 9.7

Nov 2021 8.3

Dec 2021 6.5

Jan 2022 6.5

Feb 2022 6.9

Mar 2022 7.5

Apr 2022 8.5

May 2022 10.4

Jun 2022 11.7

Jul 2022 13.1

Aug 2022 12.2

Sep 2022 11.3

Oct 2022 9.3

Nov 2022 8.6

Dec 2022 5.6

Jan 2023 6.0

Feb 2023 5.3

Mar 2023 8.4

Apr 2023 9.1

May 2023 13.1

Jun 2023 12.8

Jul 2023 14.1

Aug 2023 15.1

Sep 2023 13.6

Oct 2023 12.9

Nov 2023 10.2

Dec 2023 8.0

Jan 2024 6.2

Feb 2024 8.2

Mar 2024 8.3

Apr 2024 10.0

May 2024 11.6

Time	1882-present sea level pressure
months since 1960-01-01	mb above 1000
Jan 1882	6.4
Feb 1882	6.3
Mar 1882	7.5
Apr 1882	8.5
May 1882	9.4
Jun 1882	12.3
Jul 1882	13.1
Aug 1882	13.2
Sep 1882	11.8
Oct 1882	9.4
Nov 1882	9.5
Dec 1882	5.8
Jan 1883	7.3
Feb 1883	6.6
Mar 1883	9.2
Apr 1883	8.4
May 1883	10.5
Jun 1883	12.4
Jul 1883	13.0
Aug 1883	11.7
Sep 1883	11.9
Oct 1883	10.2
Nov 1883	7.2
Dec 1883	6.9
Jan 1884	7.3
Feb 1884	7.6
Mar 1884	7.5
Apr 1884	11.0
May 1884	11.2
Jun 1884	12.4
Jul 1884	13.2
Aug 1884	12.6
Sep 1884	12.0
Oct 1884	10.9
Nov 1884	9.0
Dec 1884	7.4
Jan 1885	7.3
Feb 1885	6.4
Mar 1885	8.4
Apr 1885	10.5
May 1885	12.7
Jun 1885	13.4
Jul 1885	14.1
Aug 1885	13.2
Sep 1885	13.1
Oct 1885	12.6
Nov 1885	11.1
Dec 1885	7.0
Jan 1886	7.9
Feb 1886	5.8
Mar 1886	8.4
Apr 1886	9.3
May 1886	10.3
Jun 1886	12.3
Jul 1886	11.7
Aug 1886	11.1
Sep 1886	10.7
Oct 1886	9.7
Nov 1886	8.1
Dec 1886	4.4
Jan 1887	5.6
Feb 1887	4.8
Mar 1887	7.1
Apr 1887	8.6
May 1887	10.8
Jun 1887	12.5
Jul 1887	13.6
Aug 1887	12.6
Sep 1887	12.1
Oct 1887	11.0
Nov 1887	9.4
Dec 1887	8.0
Jan 1888	5.5
Feb 1888	6.9
Mar 1888	9.7
Apr 1888	10.4
May 1888	11.2
Jun 1888	13.1
Jul 1888	13.7
Aug 1888	13.4
Sep 1888	12.6
Oct 1888	12.0
Nov 1888	9.9
Dec 1888	8.8
Jan 1889	9.0
Feb 1889	8.4
Mar 1889	10.2
Apr 1889	10.1
May 1889	11.1
Jun 1889	11.1
Jul 1889	12.8
Aug 1889	13.0
Sep 1889	10.9
Oct 1889	10.2
Nov 1889	5.8
Dec 1889	4.4
Jan 1890	4.1
Feb 1890	6.3
Mar 1890	6.8
Apr 1890	8.6
May 1890	10.8
Jun 1890	11.3
Jul 1890	12.6
Aug 1890	12.2
Sep 1890	10.6
Oct 1890	9.7
Nov 1890	9.2
Dec 1890	7.5
Jan 1891	5.3
Feb 1891	6.8
Mar 1891	9.2
Apr 1891	10.0
May 1891	12.2
Jun 1891	13.1
Jul 1891	14.2
Aug 1891	14.7
Sep 1891	13.7
Oct 1891	11.4
Nov 1891	10.1
Dec 1891	8.9
Jan 1892	6.5
Feb 1892	8.1
Mar 1892	5.9
Apr 1892	9.8
May 1892	11.7
Jun 1892	11.9
Jul 1892	13.0
Aug 1892	12.2
Sep 1892	11.2
Oct 1892	9.2
Nov 1892	8.0
Dec 1892	7.2
Jan 1893	5.7
Feb 1893	5.6
Mar 1893	8.8
Apr 1893	9.1
May 1893	11.1
Jun 1893	11.8
Jul 1893	12.2
Aug 1893	13.0
Sep 1893	11.6
Oct 1893	9.6
Nov 1893	8.6
Dec 1893	7.8
Jan 1894	3.5
Feb 1894	6.1
Mar 1894	7.5
Apr 1894	9.4
May 1894	11.7
Jun 1894	12.7
Jul 1894	13.8
Aug 1894	12.4
Sep 1894	12.0
Oct 1894	10.8
Nov 1894	9.0
Dec 1894	7.7
Jan 1895	5.5
Feb 1895	7.1
Mar 1895	8.4
Apr 1895	10.0
May 1895	12.2
Jun 1895	12.8
Jul 1895	12.9
Aug 1895	12.6
Sep 1895	11.7
Oct 1895	10.8
Nov 1895	10.8
Dec 1895	7.7
Jan 1896	6.2
Feb 1896	6.2
Mar 1896	7.8
Apr 1896	9.2
May 1896	13.7
Jun 1896	13.3
Jul 1896	13.5
Aug 1896	14.8
Sep 1896	13.6
Oct 1896	12.9
Nov 1896	10.1
Dec 1896	9.6
Jan 1897	7.6
Feb 1897	7.3
Mar 1897	9.8
Apr 1897	10.8
May 1897	12.7
Jun 1897	12.6
Jul 1897	13.7
Aug 1897	13.0
Sep 1897	11.7
Oct 1897	10.7
Nov 1897	9.1
Dec 1897	5.7
Jan 1898	6.1
Feb 1898	5.2
Mar 1898	4.0
Apr 1898	9.2
May 1898	11.5
Jun 1898	12.1
Jul 1898	13.1
Aug 1898	12.5
Sep 1898	10.7
Oct 1898	9.6
Nov 1898	6.9
Dec 1898	6.2
Jan 1899	5.5
Feb 1899	7.3
Mar 1899	6.2
Apr 1899	9.3
May 1899	11.4
Jun 1899	13.0
Jul 1899	13.5
Aug 1899	12.8
Sep 1899	12.5
Oct 1899	11.8
Nov 1899	9.8
Dec 1899	8.1
Jan 1900	7.7
Feb 1900	8.1
Mar 1900	9.9
Apr 1900	10.8
May 1900	11.5
Jun 1900	12.0
Jul 1900	12.1
Aug 1900	11.2
Sep 1900	11.4
Oct 1900	10.6
Nov 1900	9.1
Dec 1900	8.4
Jan 1901	6.5
Feb 1901	6.8
Mar 1901	7.4
Apr 1901	9.8
May 1901	11.5
Jun 1901	12.2
Jul 1901	13.2
Aug 1901	13.1
Sep 1901	12.8
Oct 1901	10.5
Nov 1901	9.9
Dec 1901	7.4
Jan 1902	5.8
Feb 1902	8.1
Mar 1902	8.1
Apr 1902	10.3
May 1902	12.8
Jun 1902	13.1
Jul 1902	14.0
Aug 1902	13.4
Sep 1902	13.4
Oct 1902	12.2
Nov 1902	10.9
Dec 1902	8.4
Jan 1903	8.1
Feb 1903	8.6
Mar 1903	5.9
Apr 1903	9.0
May 1903	11.0
Jun 1903	12.8
Jul 1903	11.6
Aug 1903	12.8
Sep 1903	11.2
Oct 1903	10.0
Nov 1903	8.4
Dec 1903	5.4
Jan 1904	5.9
Feb 1904	5.5
Mar 1904	7.1
Apr 1904	7.6
May 1904	10.8
Jun 1904	13.3
Jul 1904	13.3
Aug 1904	13.2
Sep 1904	12.0
Oct 1904	9.9
Nov 1904	10.1
Dec 1904	7.9
Jan 1905	7.7
Feb 1905	7.9
Mar 1905	10.7
Apr 1905	10.7
May 1905	11.1
Jun 1905	12.7
Jul 1905	13.7
Aug 1905	13.6
Sep 1905	11.8
Oct 1905	10.3
Nov 1905	10.8
Dec 1905	8.6
Jan 1906	6.5
Feb 1906	7.2
Mar 1906	8.6
Apr 1906	10.0
May 1906	11.1
Jun 1906	12.1
Jul 1906	12.0
Aug 1906	12.5
Sep 1906	10.5
Oct 1906	9.8
Nov 1906	7.2
Dec 1906	6.8
Jan 1907	5.0
Feb 1907	6.2
Mar 1907	8.0
Apr 1907	9.8
May 1907	11.4
Jun 1907	11.6
Jul 1907	12.4
Aug 1907	12.8
Sep 1907	12.1
Oct 1907	10.6
Nov 1907	8.7
Dec 1907	5.9
Jan 1908	7.7
Feb 1908	5.6
Mar 1908	7.3
Apr 1908	8.1
May 1908	11.2
Jun 1908	12.9
Jul 1908	13.0
Aug 1908	12.4
Sep 1908	11.7
Oct 1908	10.2
Nov 1908	8.4
Dec 1908	6.9
Jan 1909	5.6
Feb 1909	7.6
Mar 1909	5.8
Apr 1909	9.7
May 1909	10.5
Jun 1909	11.6
Jul 1909	12.1
Aug 1909	11.9
Sep 1909	11.2
Oct 1909	9.6
Nov 1909	8.3
Dec 1909	6.7
Jan 1910	4.4
Feb 1910	5.0
Mar 1910	6.8
Apr 1910	8.2
May 1910	11.1
Jun 1910	11.1
Jul 1910	11.8
Aug 1910	11.8
Sep 1910	10.6
Oct 1910	10.6
Nov 1910	7.1
Dec 1910	5.7
Jan 1911	5.5
Feb 1911	5.6
Mar 1911	7.8
Apr 1911	8.6
May 1911	11.8
Jun 1911	14.0
Jul 1911	13.5
Aug 1911	13.4
Sep 1911	12.1
Oct 1911	12.0
Nov 1911	9.9
Dec 1911	7.6
Jan 1912	7.6
Feb 1912	9.0
Mar 1912	8.1
Apr 1912	11.7
May 1912	12.4
Jun 1912	12.4
Jul 1912	12.0
Aug 1912	13.3
Sep 1912	11.2
Oct 1912	11.0
Nov 1912	8.8
Dec 1912	8.6
Jan 1913	6.0
Feb 1913	7.0
Mar 1913	6.9
Apr 1913	9.6
May 1913	12.4
Jun 1913	13.3
Jul 1913	13.9
Aug 1913	13.0
Sep 1913	13.3
Oct 1913	11.9
Nov 1913	10.1
Dec 1913	8.1
Jan 1914	8.5
Feb 1914	8.5
Mar 1914	7.5
Apr 1914	10.3
May 1914	11.1
Jun 1914	13.4
Jul 1914	14.4
Aug 1914	14.7
Sep 1914	13.4
Oct 1914	13.4
Nov 1914	10.7
Dec 1914	8.6
Jan 1915	8.6
Feb 1915	7.7
Mar 1915	10.6
Apr 1915	11.3
May 1915	11.7
Jun 1915	11.7
Jul 1915	12.0
Aug 1915	12.6
Sep 1915	10.5
Oct 1915	9.9
Nov 1915	8.5
Dec 1915	5.4
Jan 1916	5.2
Feb 1916	5.9
Mar 1916	7.6
Apr 1916	9.8
May 1916	9.9
Jun 1916	10.4
Jul 1916	11.2
Aug 1916	12.3
Sep 1916	10.8
Oct 1916	9.0
Nov 1916	7.7
Dec 1916	4.2
Jan 1917	6.1
Feb 1917	7.3
Mar 1917	5.8
Apr 1917	8.5
May 1917	10.5
Jun 1917	11.1
Jul 1917	11.0
Aug 1917	10.9
Sep 1917	10.4
Oct 1917	9.7
Nov 1917	7.4
Dec 1917	5.1
Jan 1918	5.5
Feb 1918	5.4
Mar 1918	8.9
Apr 1918	9.0
May 1918	10.7
Jun 1918	12.4
Jul 1918	14.0
Aug 1918	13.5
Sep 1918	14.1
Oct 1918	11.2
Nov 1918	9.2
Dec 1918	8.0
Jan 1919	7.2
Feb 1919	8.8
Mar 1919	8.5
Apr 1919	9.4
May 1919	10.9
Jun 1919	12.9
Jul 1919	13.2
Aug 1919	13.7
Sep 1919	12.3
Oct 1919	11.2
Nov 1919	9.8
Dec 1919	8.1
Jan 1920	5.1
Feb 1920	6.9
Mar 1920	8.9
Apr 1920	8.9
May 1920	10.8
Jun 1920	10.2
Jul 1920	11.2
Aug 1920	12.0
Sep 1920	11.0
Oct 1920	10.2
Nov 1920	8.4
Dec 1920	5.5
Jan 1921	4.9
Feb 1921	6.5
Mar 1921	6.7
Apr 1921	10.0
May 1921	10.0
Jun 1921	10.6
Jul 1921	12.1
Aug 1921	13.1
Sep 1921	12.0
Oct 1921	10.4
Nov 1921	8.9
Dec 1921	6.2
Jan 1922	5.5
Feb 1922	5.1
Mar 1922	6.8
Apr 1922	9.4
May 1922	10.6
Jun 1922	11.6
Jul 1922	12.6
Aug 1922	12.9
Sep 1922	11.5
Oct 1922	10.6
Nov 1922	8.7
Dec 1922	6.2
Jan 1923	5.1
Feb 1923	6.5
Mar 1923	6.4
Apr 1923	8.1
May 1923	10.2
Jun 1923	11.6
Jul 1923	13.9
Aug 1923	14.6
Sep 1923	12.4
Oct 1923	11.4
Nov 1923	9.5
Dec 1923	7.0
Jan 1924	7.4
Feb 1924	6.8
Mar 1924	7.3
Apr 1924	9.4
May 1924	10.5
Jun 1924	12.3
Jul 1924	13.2
Aug 1924	12.8
Sep 1924	12.0
Oct 1924	9.5
Nov 1924	8.0
Dec 1924	5.8
Jan 1925	5.4
Feb 1925	3.9
Mar 1925	5.2
Apr 1925	7.9
May 1925	10.5
Jun 1925	12.1
Jul 1925	13.9
Aug 1925	12.8
Sep 1925	12.8
Oct 1925	11.6
Nov 1925	10.3
Dec 1925	8.3
Jan 1926	6.5
Feb 1926	8.5
Mar 1926	9.4
Apr 1926	10.2
May 1926	11.1
Jun 1926	12.8
Jul 1926	12.9
Aug 1926	12.9
Sep 1926	11.4
Oct 1926	9.8
Nov 1926	9.5
Dec 1926	6.5
Jan 1927	5.1
Feb 1927	6.9
Mar 1927	6.8
Apr 1927	8.6
May 1927	10.7
Jun 1927	11.8
Jul 1927	12.4
Aug 1927	13.3
Sep 1927	12.4
Oct 1927	11.2
Nov 1927	9.5
Dec 1927	7.1
Jan 1928	8.3
Feb 1928	5.8
Mar 1928	6.5
Apr 1928	9.0
May 1928	11.9
Jun 1928	12.8
Jul 1928	12.7
Aug 1928	13.2
Sep 1928	11.7
Oct 1928	9.3
Nov 1928	9.6
Dec 1928	6.3
Jan 1929	3.1
Feb 1929	4.3
Mar 1929	7.4
Apr 1929	9.5
May 1929	11.9
Jun 1929	13.4
Jul 1929	13.7
Aug 1929	13.2
Sep 1929	12.5
Oct 1929	10.8
Nov 1929	8.0
Dec 1929	6.3
Jan 1930	4.8
Feb 1930	6.6
Mar 1930	8.2
Apr 1930	10.0
May 1930	12.0
Jun 1930	12.9
Jul 1930	13.5
Aug 1930	13.6
Sep 1930	13.2
Oct 1930	11.7
Nov 1930	10.8
Dec 1930	7.9
Jan 1931	6.3
Feb 1931	8.3
Mar 1931	8.6
Apr 1931	9.4
May 1931	11.4
Jun 1931	12.7
Jul 1931	13.2
Aug 1931	12.5
Sep 1931	11.2
Oct 1931	11.4
Nov 1931	8.9
Dec 1931	6.8
Jan 1932	5.3
Feb 1932	7.4
Mar 1932	7.9
Apr 1932	10.2
May 1932	11.0
Jun 1932	12.5
Jul 1932	13.5
Aug 1932	13.5
Sep 1932	11.7
Oct 1932	10.2
Nov 1932	9.0
Dec 1932	6.4
Jan 1933	6.8
Feb 1933	5.5
Mar 1933	6.7
Apr 1933	9.5
May 1933	3.0
Jun 1933	13.3
Jul 1933	11.7
Aug 1933	9.8
Sep 1933	8.1
Oct 1933	6.4
Jan 1934	5.9
Feb 1934	7.3
Mar 1934	7.0
Apr 1934	8.8
May 1934	11.4
Jun 1934	11.7
Jul 1934	12.5
Aug 1934	13.6
Sep 1934	12.2
Oct 1934	10.9
Nov 1934	8.6
Dec 1934	7.4
Jan 1935	5.4
Feb 1935	7.4
Mar 1935	6.0
Apr 1935	9.4
May 1935	12.0
Jun 1935	12.8
Jul 1935	12.7
Aug 1935	13.5
Sep 1935	10.8
Oct 1935	9.7
Nov 1935	9.2
Dec 1935	8.1
Jan 1936	6.7
Feb 1936	6.9
Mar 1936	7.6
Apr 1936	9.1
May 1936	10.1
Jun 1936	12.6
Jul 1936	12.5
Aug 1936	12.1
Sep 1936	11.6
Oct 1936	10.7
Nov 1936	9.4
Dec 1936	6.8
Jan 1937	5.2
Feb 1937	7.8
Mar 1937	6.0
Apr 1937	9.2
May 1937	12.0
Jun 1937	12.2
Jul 1937	13.4
Aug 1937	12.6
Sep 1937	12.5
Oct 1937	10.9
Nov 1937	8.3
Dec 1937	6.5
Jan 1938	5.2
Feb 1938	5.6
Mar 1938	8.0
Apr 1938	9.0
May 1938	9.8
Jun 1938	11.4
Jul 1938	11.8
Aug 1938	11.7
Sep 1938	11.7
Oct 1938	10.7
Nov 1938	7.8
Dec 1938	6.8
Jan 1939	4.8
Feb 1939	5.9
Mar 1939	6.5
Apr 1939	9.1
May 1939	11.2
Jun 1939	12.4
Jul 1939	12.8
Aug 1939	11.6
Sep 1939	13.3
Oct 1939	11.6
Nov 1939	9.2
Dec 1939	9.2
Jan 1940	5.7
Feb 1940	6.5
Mar 1940	8.7
Apr 1940	10.7
May 1940	12.2
Jun 1940	14.0
Jul 1940	14.3
Aug 1940	14.1
Sep 1940	14.1
Oct 1940	13.8
Nov 1940	9.6
Dec 1940	9.9
Jan 1941	7.8
Feb 1941	9.7
Mar 1941	8.7
Apr 1941	10.6
May 1941	11.2
Jun 1941	13.7
Jul 1941	15.4
Aug 1941	14.5
Sep 1941	12.7
Oct 1941	11.9
Nov 1941	9.2
Dec 1941	8.8
Jan 1942	8.5
Feb 1942	6.3
Mar 1942	8.6
Apr 1942	10.3
May 1942	9.8
Jun 1942	11.8
Jul 1942	13.2
Aug 1942	12.1
Sep 1942	11.1
Oct 1942	9.5
Nov 1942	8.3
Dec 1942	6.7
Jan 1943	6.3
Feb 1943	4.9
Mar 1943	7.4
Apr 1943	8.8
May 1943	10.8
Jun 1943	13.1
Jul 1943	12.6
Aug 1943	12.0
Sep 1943	11.1
Oct 1943	9.7
Nov 1943	8.4
Dec 1943	7.7
Jan 1944	7.2
Feb 1944	6.7
Mar 1944	7.6
Apr 1944	10.2
May 1944	11.6
Jun 1944	13.1
Jul 1944	14.0
Aug 1944	13.5
Sep 1944	12.4
Oct 1944	11.3
Nov 1944	9.0
Dec 1944	6.3
Jan 1945	6.5
Feb 1945	6.4
Mar 1945	5.8
Apr 1945	10.3
May 1945	11.3
Jun 1945	11.8
Jul 1945	13.4
Aug 1945	12.2
Sep 1945	11.9
Oct 1945	11.1
Nov 1945	9.3
Dec 1945	7.2
Jan 1946	6.3
Feb 1946	5.5
Mar 1946	8.6
Apr 1946	10.4
May 1946	11.6
Jun 1946	13.2
Jul 1946	13.8
Aug 1946	13.4
Sep 1946	12.7
Oct 1946	11.8
Nov 1946	9.2
Dec 1946	7.3
Jan 1947	7.5
Feb 1947	6.3
Mar 1947	7.0
Apr 1947	9.6
May 1947	12.4
Jun 1947	12.6
Jul 1947	13.2
Aug 1947	11.6
Sep 1947	11.5
Oct 1947	10.6
Nov 1947	8.2
Dec 1947	6.7
Jan 1948	7.3
Feb 1948	6.5
Mar 1948	7.6
Apr 1948	9.0
May 1948	10.8
Jun 1948	12.7
Jul 1948	12.3
Aug 1948	12.2
Sep 1948	12.2
Oct 1948	10.4
Nov 1948	7.6
Dec 1948	7.7
Jan 1949	7.3
Feb 1949	5.6
Mar 1949	6.2
Apr 1949	10.1
May 1949	11.1
Jun 1949	13.5
Jul 1949	13.0
Aug 1949	13.4
Sep 1949	11.8
Oct 1949	9.8
Nov 1949	9.0
Dec 1949	5.2
Jan 1950	4.7
Feb 1950	4.3
Mar 1950	6.5
Apr 1950	7.7
May 1950	9.9
Jun 1950	10.7
Jul 1950	12.1
Aug 1950	12.0
Sep 1950	11.7
Oct 1950	9.5
Nov 1950	6.5
Dec 1950	4.4
Jan 1951	5.3
Feb 1951	5.1
Mar 1951	7.0
Apr 1951	9.4
May 1951	11.9
Jun 1951	11.2
Jul 1951	13.3
Aug 1951	13.2
Sep 1951	12.5
Oct 1951	11.4
Nov 1951	9.5
Dec 1951	8.9
Jan 1952	6.7
Feb 1952	7.1
Mar 1952	8.3
Apr 1952	10.3
May 1952	10.3
Jun 1952	12.5
Jul 1952	13.0
Aug 1952	12.6
Sep 1952	12.1
Oct 1952	9.9
Nov 1952	7.7
Dec 1952	8.4
Jan 1953	6.9
Feb 1953	7.3
Mar 1953	8.0
Apr 1953	8.9
May 1953	13.1
Jun 1953	12.5
Jul 1953	13.9
Aug 1953	13.0
Sep 1953	13.2
Oct 1953	10.8
Nov 1953	9.4
Dec 1953	8.1
Jan 1954	4.9
Feb 1954	7.3
Mar 1954	7.7
Apr 1954	7.7
May 1954	10.1
Jun 1954	12.3
Jul 1954	12.4
Aug 1954	11.8
Sep 1954	11.9
Oct 1954	10.7
Nov 1954	9.1
Dec 1954	6.5
Jan 1955	8.3
Feb 1955	3.7
Mar 1955	6.7
Apr 1955	8.9
May 1955	9.4
Jun 1955	10.9
Jul 1955	11.7
Aug 1955	11.4
Sep 1955	10.9
Oct 1955	9.3
Nov 1955	7.6
Dec 1955	7.6
Jan 1956	4.8
Feb 1956	4.7
Mar 1956	6.9
Apr 1956	8.3
May 1956	9.1
Jun 1956	11.3
Jul 1956	11.2
Aug 1956	11.5
Sep 1956	11.4
Oct 1956	9.7
Nov 1956	8.7
Dec 1956	5.6
Jan 1957	6.5
Feb 1957	6.4
Mar 1957	7.8
Apr 1957	9.5
May 1957	12.3
Jun 1957	12.5
Jul 1957	12.9
Aug 1957	13.3
Sep 1957	13.1
Oct 1957	11.5
Nov 1957	9.8
Dec 1957	7.7
Jan 1958	8.5
Feb 1958	7.1
Mar 1958	8.1
Apr 1958	8.9
May 1958	10.9
Jun 1958	11.6
Jul 1958	12.4
Aug 1958	11.6
Sep 1958	11.5
Oct 1958	9.6
Nov 1958	9.1
Dec 1958	8.3
Jan 1959	6.1
Feb 1959	8.7
Mar 1959	6.9
Apr 1959	8.9
May 1959	10.4
Jun 1959	12.8
Jul 1959	13.5
Aug 1959	13.1
Sep 1959	11.9
Oct 1959	10.5
Nov 1959	7.7
Dec 1959	6.1
Jan 1960	6.5
Feb 1960	6.7
Mar 1960	7.1
Apr 1960	8.5
May 1960	10.0
Jun 1960	12.5
Jul 1960	12.5
Aug 1960	12.5
Sep 1960	10.5
Oct 1960	10.7
Nov 1960	8.7
Dec 1960	7.2
Jan 1961	7.2
Feb 1961	6.4
Mar 1961	9.6
Apr 1961	9.2
May 1961	11.1
Jun 1961	12.8
Jul 1961	13.1
Aug 1961	13.2
Sep 1961	12.1
Oct 1961	10.4
Nov 1961	9.2
Dec 1961	6.7
Jan 1962	5.1
Feb 1962	7.4
Mar 1962	8.4
Apr 1962	9.8
May 1962	10.1
Jun 1962	11.5
Jul 1962	12.3
Aug 1962	13.3
Sep 1962	11.1
Oct 1962	9.7
Nov 1962	8.1
Dec 1962	7.3
Jan 1963	5.9
Feb 1963	8.0
Mar 1963	6.7
Apr 1963	8.5
May 1963	10.3
Jun 1963	13.3
Jul 1963	13.5
Aug 1963	12.4
Sep 1963	12.7
Oct 1963	12.4
Nov 1963	10.3
Dec 1963	9.0
Jan 1964	7.3
Feb 1964	7.1
Mar 1964	7.0
Apr 1964	9.1
May 1964	10.5
Jun 1964	11.8
Jul 1964	12.0
Aug 1964	12.1
Sep 1964	10.4
Oct 1964	9.5
Nov 1964	7.8
Dec 1964	7.6
Jan 1965	6.3
Feb 1965	5.7
Mar 1965	6.9
Apr 1965	11.2
May 1965	11.2
Jun 1965	14.0
Jul 1965	15.5
Aug 1965	13.7
Sep 1965	13.3
Oct 1965	12.4
Nov 1965	10.4
Dec 1965	6.6
Jan 1966	7.5
Feb 1966	6.7
Mar 1966	8.6
Apr 1966	9.9
May 1966	12.3
Jun 1966	13.3
Jul 1966	12.9
Aug 1966	12.6
Sep 1966	12.1
Oct 1966	11.3
Nov 1966	8.9
Dec 1966	7.6
Jan 1967	5.0
Feb 1967	5.6
Mar 1967	7.2
Apr 1967	10.7
May 1967	11.0
Jun 1967	12.5
Jul 1967	12.8
Aug 1967	12.8
Sep 1967	12.7
Oct 1967	10.8
Nov 1967	8.9
Dec 1967	7.8
Jan 1968	4.1
Feb 1968	5.1
Mar 1968	8.2
Apr 1968	9.7
May 1968	9.5
Jun 1968	12.2
Jul 1968	12.7
Aug 1968	12.7
Sep 1968	12.2
Oct 1968	11.0
Nov 1968	9.8
Dec 1968	7.3
Jan 1969	5.8
Feb 1969	6.3
Mar 1969	8.3
Apr 1969	10.9
May 1969	11.0
Jun 1969	12.7
Jul 1969	13.5
Aug 1969	13.4
Sep 1969	11.8
Oct 1969	11.5
Nov 1969	9.1
Dec 1969	6.9
Jan 1970	8.2
Feb 1970	7.2
Mar 1970	7.2
Apr 1970	10.0
May 1970	10.6
Jun 1970	11.8
Jul 1970	13.8
Aug 1970	12.0
Sep 1970	10.1
Oct 1970	8.7
Nov 1970	7.5
Dec 1970	5.2
Jan 1971	5.8
Feb 1971	4.5
Mar 1971	6.0
Apr 1971	8.0
May 1971	10.4
Jun 1971	13.0
Jul 1971	12.5
Aug 1971	11.7
Sep 1971	10.8
Oct 1971	9.5
Nov 1971	8.3
Dec 1971	5.8
Jan 1972	5.8
Feb 1972	5.1
Mar 1972	6.7
Apr 1972	10.6
May 1972	13.7
Jun 1972	12.8
Jul 1972	13.8
Aug 1972	13.8
Sep 1972	13.7
Oct 1972	12.6
Nov 1972	9.8
Dec 1972	9.6
Jan 1973	7.3
Feb 1973	8.3
Mar 1973	7.0
Apr 1973	9.0
May 1973	10.8
Jun 1973	11.0
Jul 1973	12.4
Aug 1973	11.5
Sep 1973	11.4
Oct 1973	10.0
Nov 1973	5.7
Dec 1973	6.6
Jan 1974	4.0
Feb 1974	4.4
Mar 1974	5.5
Apr 1974	8.8
May 1974	11.0
Jun 1974	12.4
Jul 1974	12.6
Aug 1974	12.1
Sep 1974	11.0
Oct 1974	9.6
Nov 1974	7.7
Dec 1974	6.1
Jan 1975	6.4
Feb 1975	6.9
Mar 1975	6.6
Apr 1975	7.8
May 1975	10.4
Jun 1975	11.4
Jul 1975	11.7
Aug 1975	11.3
Sep 1975	10.4
Oct 1975	8.9
Nov 1975	8.0
Dec 1975	5.5
Jan 1976	5.1
Feb 1976	5.4
Mar 1976	5.6
Apr 1976	9.9
May 1976	12.0
Jun 1976	12.6
Jul 1976	14.0
Aug 1976	14.1
Sep 1976	12.9
Oct 1976	9.9
Nov 1976	7.8
Dec 1976	6.5
Jan 1977	5.9
Feb 1977	5.6
Mar 1977	8.1
Apr 1977	9.3
May 1977	11.3
Jun 1977	13.5
Jul 1977	13.6
Aug 1977	13.6
Sep 1977	12.9
Oct 1977	12.3
Nov 1977	10.0
Dec 1977	8.1
Jan 1978	8.2
Feb 1978	8.9
Mar 1978	9.5
Apr 1978	10.1
May 1978	9.3
Jun 1978	11.1
Jul 1978	11.3
Aug 1978	11.9
Sep 1978	11.6
Oct 1978	10.7
Nov 1978	9.1
Dec 1978	7.4
Jan 1979	6.0
Feb 1979	6.9
Mar 1979	7.9
Apr 1979	9.7
May 1979	11.2
Jun 1979	12.6
Jul 1979	11.1
Aug 1979	13.3
Sep 1979	11.7
Oct 1979	11.0
Nov 1979	9.1
Dec 1979	8.5
Jan 1980	5.9
Feb 1980	6.3
Mar 1980	7.2
Apr 1980	9.7
May 1980	11.3
Jun 1980	12.5
Jul 1980	13.2
Aug 1980	13.4
Sep 1980	12.7
Oct 1980	10.7
Nov 1980	9.1
Dec 1980	7.3
Jan 1981	5.1
Feb 1981	6.2
Mar 1981	9.9
Apr 1981	9.9
May 1981	10.5
Jun 1981	11.5
Jul 1981	11.8
Aug 1981	12.4
Sep 1981	11.5
Oct 1981	11.1
Nov 1981	8.4
Dec 1981	7.5
Jan 1982	6.3
Feb 1982	7.0
Mar 1982	7.5
Apr 1982	10.1
May 1982	11.9
Jun 1982	13.9
Jul 1982	14.5
Aug 1982	14.7
Sep 1982	14.0
Oct 1982	12.5
Nov 1982	11.1
Dec 1982	9.3
Jan 1983	9.8
Feb 1983	10.3
Mar 1983	10.1
Apr 1983	10.1
May 1983	11.7
Jun 1983	13.3
Jul 1983	14.4
Aug 1983	14.1
Sep 1983	12.1
Oct 1983	10.5
Nov 1983	9.7
Dec 1983	8.5
Jan 1984	7.1
Feb 1984	5.3
Mar 1984	8.1
Apr 1984	10.1
May 1984	11.1
Jun 1984	13.2
Jul 1984	13.2
Aug 1984	12.2
Sep 1984	11.8
Oct 1984	11.3
Nov 1984	9.3
Dec 1984	5.1
Jan 1985	7.5
Feb 1985	5.4
Mar 1985	6.1
Apr 1985	7.5
May 1985	9.4
Jun 1985	12.6
Jul 1985	13.6
Aug 1985	12.4
Sep 1985	11.5
Oct 1985	10.7
Nov 1985	8.4
Dec 1985	7.6
Jan 1986	4.7
Feb 1986	6.9
Mar 1986	8.4
Apr 1986	9.3
May 1986	11.6
Jun 1986	11.0
Jul 1986	12.8
Aug 1986	12.0
Sep 1986	12.2
Oct 1986	10.9
Nov 1986	9.3
Dec 1986	9.7
Jan 1987	7.1
Feb 1987	7.4
Mar 1987	10.7
Apr 1987	11.5
May 1987	12.6
Jun 1987	13.1
Jul 1987	14.7
Aug 1987	14.3
Sep 1987	13.5
Oct 1987	11.2
Nov 1987	8.9
Dec 1987	7.8
Jan 1988	7.8
Feb 1988	6.7
Mar 1988	6.8
Apr 1988	10.1
May 1988	10.8
Jun 1988	13.9
Jul 1988	12.8
Aug 1988	12.5
Sep 1988	10.6
Oct 1988	9.1
Nov 1988	7.4
Dec 1988	6.5
Jan 1989	5.4
Feb 1989	6.8
Mar 1989	7.3
Apr 1989	7.6
May 1989	10.1
Jun 1989	12.8
Jul 1989	12.1
Aug 1989	13.3
Sep 1989	11.7
Oct 1989	9.9
Nov 1989	8.7
Dec 1989	8.9
Jan 1990	6.9
Feb 1990	10.0
Mar 1990	8.3
Apr 1990	9.7
May 1990	10.3
Jun 1990	12.4
Jul 1990	12.8
Aug 1990	13.5
Sep 1990	13.3
Oct 1990	10.9
Nov 1990	9.1
Dec 1990	7.7
Jan 1991	6.3
Feb 1991	6.5
Mar 1991	9.5
Apr 1991	9.9
May 1991	12.6
Jun 1991	13.3
Jul 1991	13.4
Aug 1991	14.0
Sep 1991	13.3
Oct 1991	11.1
Nov 1991	10.1
Dec 1991	8.5
Jan 1992	10.1
Feb 1992	7.7
Mar 1992	10.5
Apr 1992	11.0
May 1992	11.1
Jun 1992	12.5
Jul 1992	14.9
Aug 1992	12.8
Sep 1992	11.2
Oct 1992	11.2
Nov 1992	9.5
Dec 1992	7.3
Jan 1993	6.8
Feb 1993	6.4
Mar 1993	10.1
Apr 1993	11.4
May 1993	12.4
Jun 1993	13.9
Jul 1993	13.5
Aug 1993	15.1
Sep 1993	13.4
Oct 1993	12.0
Nov 1993	9.0
Dec 1993	7.0
Jan 1994	6.7
Feb 1994	6.5
Mar 1994	9.4
Apr 1994	10.8
May 1994	12.0
Jun 1994	12.9
Jul 1994	14.1
Aug 1994	14.9
Sep 1994	13.5
Oct 1994	11.9
Nov 1994	9.8
Dec 1994	9.3
Jan 1995	7.0
Feb 1995	7.8
Mar 1995	7.2
Apr 1995	9.6
May 1995	11.6
Jun 1995	13.0
Jul 1995	12.7
Aug 1995	13.2
Sep 1995	12.0
Oct 1995	10.2
Nov 1995	8.8
Dec 1995	7.5
Jan 1996	5.7
Feb 1996	6.2
Mar 1996	7.4
Apr 1996	9.0
May 1996	12.2
Jun 1996	12.4
Jul 1996	12.5
Aug 1996	12.4
Sep 1996	10.3
Oct 1996	9.7
Nov 1996	8.4
Dec 1996	5.6
Jan 1997	7.3
Feb 1997	4.8
Mar 1997	8.6
Apr 1997	11.9
May 1997	11.9
Jun 1997	14.7
Jul 1997	14.3
Aug 1997	15.1
Sep 1997	14.7
Oct 1997	13.4
Nov 1997	11.4
Dec 1997	8.6
Jan 1998	7.8
Feb 1998	10.2
Mar 1998	10.0
Apr 1998	11.1
May 1998	11.5
Jun 1998	12.1
Jul 1998	12.6
Aug 1998	12.7
Sep 1998	11.6
Oct 1998	9.6
Nov 1998	7.3
Dec 1998	5.9
Jan 1999	4.9
Feb 1999	6.2
Mar 1999	6.3
Apr 1999	8.7
May 1999	12.1
Jun 1999	13.1
Jul 1999	13.2
Aug 1999	14.0
Sep 1999	12.4
Oct 1999	10.3
Nov 1999	8.0
Dec 1999	6.6
Jan 2000	6.7
Feb 2000	6.6
Mar 2000	7.4
Apr 2000	8.6
May 2000	11.7
Jun 2000	13.5
Jul 2000	13.1
Aug 2000	12.2
Sep 2000	12.0
Oct 2000	9.1
Nov 2000	6.5
Dec 2000	4.9
Jan 2001	7.2
Feb 2001	3.5
Mar 2001	7.9
Apr 2001	9.4
May 2001	12.2
Jun 2001	12.2
Jul 2001	13.4
Aug 2001	13.3
Sep 2001	11.8
Oct 2001	9.9
Nov 2001	8.4
Dec 2001	7.7
Jan 2002	7.2
Feb 2002	6.6
Mar 2002	9.1
Apr 2002	10.0
May 2002	12.1
Jun 2002	13.1
Jul 2002	14.6
Aug 2002	13.7
Sep 2002	13.0
Oct 2002	10.5
Nov 2002	9.8
Dec 2002	9.1
Jan 2003	6.9
Feb 2003	6.6
Mar 2003	8.5
Apr 2003	10.5
May 2003	11.5
Jun 2003	13.0
Jul 2003	13.4
Aug 2003	13.0
Sep 2003	12.1
Oct 2003	10.3
Nov 2003	9.3
Dec 2003	6.2
Jan 2004	7.6
Feb 2004	6.2
Mar 2004	6.8
Apr 2004	10.6
May 2004	10.6
Jun 2004	14.5
Jul 2004	13.9
Aug 2004	13.5
Sep 2004	13.1
Oct 2004	11.1
Nov 2004	9.2
Dec 2004	7.3
Jan 2005	6.3
Feb 2005	9.0
Mar 2005	8.5
Apr 2005	11.1
May 2005	12.3
Jun 2005	12.1
Jul 2005	13.2
Aug 2005	13.5
Sep 2005	11.9
Oct 2005	9.9
Nov 2005	8.3
Dec 2005	7.7
Jan 2006	4.7
Feb 2006	7.4
Mar 2006	6.2
Apr 2006	7.7
May 2006	12.1
Jun 2006	13.5
Jul 2006	14.4
Aug 2006	14.6
Sep 2006	13.3
Oct 2006	12.9
Nov 2006	9.8
Dec 2006	8.7
Jan 2007	6.7
Feb 2007	7.1
Mar 2007	7.7
Apr 2007	10.6
May 2007	11.8
Jun 2007	11.5
Jul 2007	14.2
Aug 2007	13.4
Sep 2007	11.5
Oct 2007	10.0
Nov 2007	7.6
Dec 2007	6.0
Jan 2008	4.9
Feb 2008	4.7
Mar 2008	8.4
Apr 2008	9.9
May 2008	12.2
Jun 2008	13.1
Jul 2008	13.4
Aug 2008	13.5
Sep 2008	11.7
Oct 2008	11.0
Nov 2008	8.1
Dec 2008	6.5
Jan 2009	6.0
Feb 2009	5.2
Mar 2009	8.5
Apr 2009	9.3
May 2009	10.6
Jun 2009	12.7
Jul 2009	13.1
Aug 2009	12.9
Sep 2009	11.3
Oct 2009	11.4
Nov 2009	8.9
Dec 2009	7.9
Jan 2010	5.9
Feb 2010	7.8
Mar 2010	8.9
Apr 2010	9.6
May 2010	10.2
Jun 2010	13.2
Jul 2010	12.4
Aug 2010	12.2
Sep 2010	10.8
Oct 2010	9.3
Nov 2010	8.5
Dec 2010	4.9
Jan 2011	5.1
Feb 2011	5.0
Mar 2011	6.3
Apr 2011	8.9
May 2011	12.0
Jun 2011	13.5
Jul 2011	13.2
Aug 2011	13.6
Sep 2011	12.6
Oct 2011	10.3
Nov 2011	8.6
Dec 2011	5.0
Jan 2012	6.0
Feb 2012	7.2
Mar 2012	6.3
Apr 2012	10.7
May 2012	11.3
Jun 2012	13.3
Jul 2012	12.8
Aug 2012	14.0
Sep 2012	12.2
Oct 2012	10.8
Nov 2012	9.3
Dec 2012	7.7
Jan 2013	5.8
Feb 2013	7.2
Mar 2013	7.2
Apr 2013	9.7
May 2013	10.8
Jun 2013	11.2
Jul 2013	12.5
Aug 2013	13.1
Sep 2013	11.6
Oct 2013	10.7
Nov 2013	7.7
Dec 2013	7.7
Jan 2014	5.0
Feb 2014	6.0
Mar 2014	9.1
Apr 2014	8.9
May 2014	11.7
Jun 2014	12.5
Jul 2014	13.9
Aug 2014	14.5
Sep 2014	13.1
Oct 2014	11.6
Nov 2014	9.9
Dec 2014	7.5
Jan 2015	6.5
Feb 2015	7.8
Mar 2015	8.9
Apr 2015	10.5
May 2015	13.1
Jun 2015	13.3
Jul 2015	15.0
Aug 2015	14.8
Sep 2015	13.9
Oct 2015	13.8
Nov 2015	9.5
Dec 2015	7.0
Jan 2016	10.2
Feb 2016	8.6
Mar 2016	9.2
Apr 2016	10.8
May 2016	10.9
Jun 2016	12.2
Jul 2016	13.1
Aug 2016	12.4
Sep 2016	11.0
Oct 2016	10.4
Nov 2016	8.8
Dec 2016	6.7
Jan 2017	6.0
Feb 2017	7.1
Mar 2017	7.4
Apr 2017	9.7
May 2017	11.7
Jun 2017	13.5
Jul 2017	13.2
Aug 2017	13.0
Sep 2017	12.3
Oct 2017	9.4
Nov 2017	7.4
Dec 2017	7.3
Jan 2018	4.8
Feb 2018	7.0
Mar 2018	6.1
Apr 2018	9.5
May 2018	12.2
Jun 2018	13.7
Jul 2018	12.8
Aug 2018	13.1
Sep 2018	12.3
Oct 2018	11.0
Nov 2018	9.4
Dec 2018	6.2
Jan 2019	6.8
Feb 2019	9.0
Mar 2019	8.4
Apr 2019	10.1
May 2019	12.3
Jun 2019	13.8
Jul 2019	14.2
Aug 2019	14.3
Sep 2019	14.5
Oct 2019	11.4
Nov 2019	9.7
Dec 2019	8.4
Jan 2020	7.2
Feb 2020	7.4
Mar 2020	9.1
Apr 2020	10.5
May 2020	12.4
Jun 2020	12.9
Jul 2020	12.7
Aug 2020	12.5
Sep 2020	11.6
Oct 2020	10.0
Nov 2020	9.0
Dec 2020	6.5
Jan 2021	5.6
Feb 2021	5.0
Mar 2021	8.1
Apr 2021	9.7
May 2021	11.3
Jun 2021	13.1
Jul 2021	12.3
Aug 2021	13.3
Sep 2021	12.0
Oct 2021	9.7
Nov 2021	8.3
Dec 2021	6.5
Jan 2022	6.5
Feb 2022	6.9
Mar 2022	7.5
Apr 2022	8.5
May 2022	10.4
Jun 2022	11.7
Jul 2022	13.1
Aug 2022	12.2
Sep 2022	11.3
Oct 2022	9.3
Nov 2022	8.6
Dec 2022	5.6
Jan 2023	6.0
Feb 2023	5.3
Mar 2023	8.4
Apr 2023	9.1
May 2023	13.1
Jun 2023	12.8
Jul 2023	14.1
Aug 2023	15.1
Sep 2023	13.6
Oct 2023	12.9
Nov 2023	10.2
Dec 2023	8.0
Jan 2024	6.2
Feb 2024	8.2
Mar 2024	8.3
Apr 2024	10.0
May 2024	11.6