YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1856 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1857 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1858 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1859 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1860 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1861 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1862 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1863 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1864 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1865 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1866 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1867 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1868 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1869 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1870 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1871 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1872 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1873 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1874 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1875 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1876 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1877 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1878 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1879 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1880 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1881 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1882 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1883 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1884 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1885 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1886 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1887 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1888 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1889 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1890 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1891 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.67 | a | 60.37 | 56.10 | 47.95 | 41.12 | b | 55.04 | g | |||
1892 | 39.59 | b | 43.17 | 49.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.08 | i | ||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.73 | 40.45 | b | 42.09 | j | |
1896 | 41.06 | 45.26 | 44.84 | 47.21 | a | 52.95 | 59.97 | 67.65 | 64.55 | 57.60 | 52.47 | 36.75 | b | 42.34 | 51.05 | |||||||||||
1897 | 37.58 | a | 41.96 | 41.52 | 52.93 | 59.18 | 60.95 | 63.58 | 68.45 | 57.47 | 52.35 | 44.17 | 41.85 | 51.83 | ||||||||||||
1898 | 38.15 | 44.89 | 43.47 | 51.15 | 55.03 | 61.28 | 65.11 | 66.77 | 60.90 | 51.11 | 44.23 | 36.03 | b | 51.51 | ||||||||||||
1899 | 39.80 | c | 39.35 | a | 44.03 | 49.00 | 51.50 | 58.10 | 65.29 | 60.98 | 60.92 | 50.76 | 51.33 | 42.15 | 51.10 | |||||||||||
1900 | 42.16 | 42.17 | a | 51.23 | 51.15 | 56.52 | 62.22 | 64.95 | 61.94 | 58.30 | 50.65 | 44.92 | 44.14 | c | 52.53 | |||||||||||
1901 | 38.82 | 41.39 | 46.29 | 48.58 | 55.94 | 57.40 | 61.47 | 66.35 | a | 56.48 | a | 56.92 | 47.98 | 40.60 | 51.52 | |||||||||||
1902 | 36.90 | 43.59 | 45.63 | 49.82 | 55.89 | 59.53 | 62.63 | 63.77 | 58.78 | 53.31 | 45.53 | 39.42 | 51.23 | |||||||||||||
1903 | 41.55 | 40.00 | 44.92 | 49.03 | 56.90 | 63.38 | 64.16 | 65.76 | 60.03 | 54.56 | 45.05 | 39.26 | 52.05 | |||||||||||||
1904 | 40.86 | b | 40.40 | 43.13 | 53.90 | 56.61 | 63.22 | 68.06 | 67.42 | 60.02 | 55.40 | 50.00 | 42.18 | 53.43 | ||||||||||||
1905 | 39.05 | 41.61 | 51.21 | 54.58 | 56.32 | 61.77 | 68.53 | 67.81 | 62.93 | 50.98 | 43.77 | 38.89 | 53.12 | |||||||||||||
1906 | 41.74 | 43.48 | 44.84 | 55.10 | 57.45 | 60.43 | 72.50 | 69.71 | 61.85 | 55.61 | 45.28 | 41.77 | 54.15 | |||||||||||||
1907 | 33.31 | b | 43.93 | 44.35 | 50.78 | 58.35 | 62.00 | 68.16 | 65.50 | 61.80 | 56.61 | 47.42 | 41.93 | a | 52.85 | |||||||||||
1908 | 40.87 | 41.31 | 45.61 | 51.53 | 52.27 | 60.47 | 69.31 | 66.00 | 60.13 | 51.92 | 47.60 | 38.00 | 52.09 | |||||||||||||
1909 | 31.37 | a | 42.86 | 47.03 | 50.13 | 54.40 | 62.23 | 63.50 | 65.08 | 62.47 | 53.37 | 45.90 | 34.94 | 51.11 | ||||||||||||
1910 | 35.95 | 38.05 | 51.37 | 53.17 | 59.34 | 61.10 | 67.56 | 64.13 | 60.30 | 54.61 | 45.68 | 41.65 | 52.74 | |||||||||||||
1911 | 37.47 | 40.41 | 48.31 | 48.73 | 54.24 | 60.32 | 68.55 | 66.74 | 58.58 | 53.56 | 45.30 | 40.87 | 51.92 | |||||||||||||
1912 | 40.47 | 44.48 | 45.73 | 49.93 | 59.05 | 63.62 | 66.62 | a | 65.18 | 61.13 | 50.48 | 46.50 | a | 41.13 | 52.86 | |||||||||||
1913 | 37.21 | 38.82 | 44.03 | 51.08 | 57.11 | 62.45 | 66.76 | 67.52 | 61.12 | 51.84 | 46.02 | 38.34 | 51.86 | |||||||||||||
1914 | 44.23 | 41.98 | 50.24 | 53.47 | a | 60.16 | 60.60 | 67.65 | a | 67.31 | 59.10 | 56.15 | 46.00 | 34.32 | 53.43 | |||||||||||
1915 | 37.15 | 43.64 | 51.55 | 54.68 | 56.90 | 62.10 | 66.23 | 69.79 | 61.77 | 54.76 | 44.13 | 39.94 | 53.55 | |||||||||||||
1916 | 28.76 | 40.19 | 45.97 | 51.92 | 53.84 | 61.40 | 62.55 | 66.18 | 60.40 | 51.77 | 41.22 | 36.74 | 50.08 | |||||||||||||
1917 | 37.71 | 40.38 | 41.42 | 47.82 | 54.15 | 60.47 | 67.81 | 68.66 | 61.70 | 55.47 | 47.93 | 47.31 | 52.57 | |||||||||||||
1918 | 43.63 | 40.27 | 46.02 | 51.52 | 54.55 | 65.12 | 65.98 | 66.10 | 65.35 | 54.87 | 45.02 | 40.61 | 53.25 | |||||||||||||
1919 | 39.87 | 41.54 | 47.35 | a | 52.57 | 55.74 | 59.33 | 66.52 | 67.40 | 60.90 | 49.29 | 43.20 | 30.77 | 51.21 | ||||||||||||
1920 | 37.18 | 40.55 | 44.90 | 47.60 | 54.02 | 60.33 | 66.40 | 67.73 | 59.90 | 52.31 | 44.58 | 42.53 | 51.50 | |||||||||||||
1921 | 40.87 | 44.11 | 47.69 | 50.03 | 56.15 | 63.08 | 65.00 | 66.19 | 58.77 | 55.35 | 46.92 | 37.26 | b | 52.62 | ||||||||||||
1922 | 33.39 | 38.59 | 42.82 | 48.18 | 57.18 | 64.15 | 66.58 | 66.18 | a | 62.13 | 54.23 | a | 41.35 | 36.11 | 50.91 | |||||||||||
1923 | 42.80 | h | 35.95 | 45.87 | 52.87 | 56.37 | 61.00 | 66.26 | 68.66 | 62.88 | 54.63 | 47.75 | 40.48 | 53.88 | a | |||||||||||
1924 | 36.16 | 46.84 | 45.19 | 51.80 | 60.05 | 63.23 | 65.89 | 65.85 | 62.33 | 53.61 | 43.32 | 33.71 | 52.33 | |||||||||||||
1925 | 42.95 | 45.50 | 46.82 | 53.02 | 59.77 | 62.53 | 68.61 | 64.39 | 61.52 | 53.98 | 44.80 | 43.79 | 53.97 | |||||||||||||
1926 | 40.37 | 46.77 | 52.02 | 58.12 | 57.26 | 65.18 | 68.21 | 66.45 | a | 59.48 | 55.71 | 47.48 | 39.32 | 54.70 | ||||||||||||
1927 | 37.52 | 43.88 | 45.84 | 50.92 | 54.39 | 62.68 | 67.32 | 67.31 | 60.18 | 53.66 | 48.73 | 37.02 | d | 52.45 | ||||||||||||
1928 | 36.63 | 42.43 | 49.98 | 50.55 | 60.76 | 60.97 | 67.56 | 66.66 | 60.92 | 53.98 | a | 46.42 | 39.39 | 53.02 | ||||||||||||
1929 | 34.20 | d | 34.71 | 47.39 | 49.08 | 57.31 | 61.48 | 67.10 | 68.19 | 62.38 | 57.03 | 43.17 | 44.21 | 52.19 | ||||||||||||
1930 | 26.58 | 45.75 | 49.48 | 56.19 | a | 54.82 | 61.68 | 66.44 | 68.89 | 62.90 | 52.92 | 45.02 | 40.00 | 52.56 | ||||||||||||
1931 | 43.16 | 44.12 | 48.48 | 54.67 | 62.13 | 62.93 | 69.05 | 68.15 | 62.23 | 54.58 | 43.15 | 38.92 | 54.30 | |||||||||||||
1932 | 39.34 | b | 40.98 | 48.33 | b | 53.13 | 57.48 | 65.27 | 65.39 | 67.56 | 64.85 | 56.31 | 48.17 | 37.11 | d | 53.66 | ||||||||||
1933 | 39.35 | 37.52 | 46.52 | 51.33 | 54.27 | 61.55 | 67.48 | 68.23 | 59.08 | 56.48 | 46.18 | 44.97 | b | 52.75 | ||||||||||||
1934 | 45.85 | d | 48.11 | 54.00 | 58.58 | 60.29 | 63.22 | 66.10 | 69.19 | 62.48 | 56.45 | 49.26 | c | 43.13 | 56.39 | |||||||||||
1935 | 39.03 | 44.54 | 44.08 | 51.15 | 57.76 | 63.98 | 67.10 | 68.23 | 66.42 | 51.35 | 41.18 | 40.48 | 52.94 | |||||||||||||
1936 | 42.57 | b | 33.39 | b | 44.27 | 55.40 | 60.05 | a | 64.63 | 66.89 | 68.68 | 62.40 | 57.00 | 43.17 | 42.50 | 53.41 | ||||||||||
1937 | 28.95 | b | 39.80 | 48.87 | 49.23 | 57.68 | 64.42 | 67.79 | 66.40 | 62.77 | 57.97 | 48.80 | 42.61 | 52.94 | ||||||||||||
1938 | 40.39 | 41.89 | 46.29 | 54.02 | 58.65 | 64.17 | 69.31 | 65.31 | 66.55 | 56.39 | 43.72 | 42.69 | 54.11 | |||||||||||||
1939 | 42.69 | 40.05 | 48.13 | 54.77 | 59.35 | 61.00 | 68.13 | 68.69 | 63.58 | 55.69 | 47.67 | 45.32 | 54.59 | |||||||||||||
1940 | 40.53 | 45.91 | 50.94 | 54.00 | 61.10 | 66.15 | 68.10 | 69.81 | 65.18 | 57.84 | 43.22 | 43.08 | 55.49 | |||||||||||||
1941 | 41.84 | 46.55 | 52.81 | 55.05 | 58.61 | 62.28 | 71.66 | 67.97 | 60.32 | 55.29 | 48.52 | 42.97 | a | 55.32 | ||||||||||||
1942 | 34.89 | 43.16 | 46.77 | 53.25 | 56.77 | 61.17 | 69.52 | 69.10 | 64.05 | 56.29 | 44.63 | 43.63 | 53.60 | |||||||||||||
1943 | 33.63 | 43.82 | 45.84 | 55.12 | 56.24 | 60.73 | 66.58 | 65.87 | 66.43 | 55.33 | b | 46.43 | a | 40.13 | 53.01 | |||||||||||
1944 | 39.94 | 42.50 | 45.85 | 51.53 | 57.89 | 61.70 | 67.26 | 66.77 | 65.15 | 58.76 | 46.10 | 38.98 | 53.54 | |||||||||||||
1945 | 42.77 | 44.55 | 45.15 | a | 50.75 | 58.65 | 61.60 | 68.71 | 67.55 | 60.85 | 54.97 | 45.85 | 40.50 | 53.49 | ||||||||||||
1946 | 41.27 | 43.64 | 47.19 | 51.95 | 60.13 | 61.52 | 67.44 | 67.19 | 62.05 | 51.00 | 44.17 | 41.89 | 53.29 | |||||||||||||
1947 | 37.65 | 46.36 | 51.10 | 55.00 | a | 60.79 | 61.43 | 66.27 | 65.02 | 63.57 | 55.06 | 46.93 | 43.40 | a | 54.38 | |||||||||||
1948 | 39.85 | 40.76 | 44.65 | 49.03 | 56.18 | 64.97 | 65.55 | a | 64.85 | 62.03 | 53.53 | 44.35 | 37.71 | 51.96 | ||||||||||||
1949 | 28.87 | 39.16 | 46.47 | 54.42 | 60.08 | 62.47 | 65.94 | 67.37 | 65.78 | 50.06 | 50.60 | 41.35 | 52.71 | |||||||||||||
1950 | 27.66 | 39.36 | 45.03 | 49.85 | 56.08 | 63.15 | 67.34 | 70.10 | 63.80 | 52.65 | 46.72 | 46.39 | 52.34 | |||||||||||||
1951 | 39.17 | a | 43.52 | 42.63 | 55.08 | 58.27 | ----- | z | 67.85 | 66.76 | 65.57 | 54.31 | 45.58 | 38.29 | 52.46 | a | ||||||||||
1952 | 35.95 | 41.60 | 44.77 | 53.08 | 58.06 | 60.53 | 68.44 | 67.92 | 65.48 | 59.95 | 41.40 | 41.89 | 53.26 | |||||||||||||
1953 | 47.48 | 44.52 | 46.61 | 50.47 | 56.15 | 59.02 | 66.98 | 67.29 | 63.92 | 55.82 | 48.95 | 43.42 | 54.22 | |||||||||||||
1954 | 38.94 | 43.04 | 44.66 | 50.05 | a | 57.37 | 58.47 | 62.90 | 63.32 | 61.42 | 53.32 | 49.82 | 41.44 | 52.06 | ||||||||||||
1955 | 39.52 | 40.73 | 41.73 | 46.14 | a | 53.32 | 61.35 | 62.82 | 65.50 | 62.00 | 54.21 | 41.60 | a | 39.83 | a | 50.73 | ||||||||||
1956 | 40.83 | a | 35.95 | 45.10 | 53.55 | 60.53 | 59.78 | 69.11 | 66.32 | 62.08 | 52.02 | 43.23 | 40.80 | a | 52.44 | |||||||||||
1957 | 30.87 | 42.29 | 46.80 | a | 52.92 | 59.68 | a | 62.48 | 65.89 | 64.84 | 67.52 | 53.37 | 44.55 | 44.11 | 52.94 | |||||||||||
1958 | 43.92 | 49.23 | 46.48 | 51.67 | 62.73 | 66.13 | 71.12 | b | 71.03 | 63.75 | 56.94 | 45.98 | 44.06 | 56.09 | ||||||||||||
1959 | 41.19 | 42.18 | 46.85 | a | 52.02 | 55.73 | 62.50 | 68.55 | 65.87 | 60.62 | a | 55.06 | 44.68 | 40.03 | 52.94 | |||||||||||
1960 | 35.10 | 42.38 | 45.50 | 51.55 | 54.26 | 62.90 | 69.33 | a | 65.29 | 62.52 | 55.52 | 46.13 | 38.63 | a | 52.43 | |||||||||||
1961 | 43.95 | 46.30 | 47.53 | 50.50 | 57.26 | 66.37 | 69.78 | a | 70.71 | 60.22 | a | 53.13 | 42.86 | a | 40.56 | 54.10 | ||||||||||
1962 | 37.87 | 42.12 | 44.82 | 53.52 | a | 53.50 | 61.28 | 66.11 | 66.00 | a | 64.32 | 55.42 | 48.41 | b | 43.08 | 53.04 | ||||||||||
1963 | 34.97 | 48.94 | a | 46.31 | 50.00 | 58.37 | 60.28 | a | 63.47 | 66.55 | 65.64 | a | 55.60 | 46.70 | 39.22 | a | 53.00 | |||||||||
1964 | 41.18 | 41.62 | 45.08 | 48.17 | 53.95 | 59.43 | 65.44 | 64.77 | a | 59.97 | 54.27 | 41.90 | 37.53 | a | 51.11 | |||||||||||
1965 | 39.66 | c | 44.38 | 48.06 | 53.07 | 54.45 | 62.15 | 69.50 | 68.53 | 61.55 | 57.61 | 49.62 | 40.05 | a | 54.05 | |||||||||||
1966 | 40.28 | b | 42.39 | 46.42 | 52.50 | 57.63 | 62.91 | a | 62.47 | 63.60 | 60.98 | e | 51.56 | 45.93 | 42.90 | b | 52.46 | |||||||||
1967 | 43.32 | 42.32 | 42.98 | 45.57 | 55.03 | 62.65 | 65.06 | 68.56 | 64.07 | 53.34 | 46.13 | 39.90 | 52.41 | |||||||||||||
1968 | 40.12 | c | 45.76 | 48.06 | 47.69 | f | 55.04 | c | 59.33 | c | 64.31 | 62.53 | 59.98 | 51.11 | 45.22 | 36.74 | 51.66 | a | ||||||||
1969 | 31.39 | 38.57 | 45.32 | 49.08 | 57.77 | a | 64.50 | 64.27 | 62.05 | 61.20 | 50.95 | 45.93 | 41.08 | 51.01 | ||||||||||||
1970 | 39.19 | 44.09 | a | 44.77 | 46.33 | a | 53.82 | 62.78 | a | 64.53 | 64.12 | a | 56.67 | 50.16 | 46.15 | 38.89 | 50.96 | |||||||||
1971 | 38.95 | 41.84 | 41.33 | d | 47.53 | 54.87 | 56.72 | a | 65.87 | a | 67.18 | 57.43 | a | 50.10 | 44.47 | a | 38.50 | 50.40 | ||||||||
1972 | 37.15 | 40.67 | 46.79 | 45.60 | 57.18 | a | 59.70 | 66.47 | 66.65 | 56.65 | 50.19 | 44.30 | c | 34.63 | a | 50.50 | ||||||||||
1973 | 36.76 | b | 41.48 | 44.89 | 48.83 | 55.81 | 59.50 | 64.65 | 61.10 | 59.77 | 50.58 | 42.02 | 43.00 | 50.70 | ||||||||||||
1974 | 34.81 | 40.75 | 44.08 | 47.97 | 51.50 | 60.45 | 62.53 | 64.35 | 62.38 | a | 51.19 | 45.18 | 41.42 | 50.55 | ||||||||||||
1975 | 39.47 | 39.09 | 42.11 | 43.73 | 53.60 | 58.03 | 64.56 | 60.08 | 60.18 | 50.73 | 42.62 | 39.93 | a | 49.51 | ||||||||||||
1976 | 39.35 | 39.14 | a | 41.53 | 46.65 | 53.32 | 56.08 | 61.68 | a | 60.90 | 59.57 | 50.50 | a | 45.25 | 38.87 | 49.41 | ||||||||||
1977 | 33.13 | 42.55 | 42.68 | a | 50.28 | 51.23 | 60.70 | 62.31 | b | 67.58 | 57.30 | 50.44 | 41.98 | 41.03 | 50.10 | |||||||||||
1978 | 39.44 | 43.25 | 47.42 | 49.07 | 52.24 | 62.32 | 64.95 | 63.71 | ----- | z | 51.52 | 37.12 | 33.77 | 49.53 | a | |||||||||||
1979 | 28.35 | a | 39.36 | 46.89 | 48.58 | 55.47 | 59.98 | 65.03 | 63.68 | 61.10 | 53.71 | 41.67 | 42.08 | a | 50.49 | |||||||||||
1980 | 32.95 | 40.28 | 43.58 | 50.82 | 54.16 | 57.14 | a | 64.73 | a | 61.87 | 59.25 | 52.44 | 46.27 | 41.69 | 50.43 | |||||||||||
1981 | 40.94 | 41.77 | 46.60 | 48.58 | 54.18 | 58.25 | 62.60 | 66.47 | 60.20 | 50.29 | 46.77 | 41.65 | a | 51.52 | ||||||||||||
1982 | 37.32 | a | 40.86 | 44.21 | 45.80 | 53.95 | a | 62.10 | 62.82 | 64.13 | 59.33 | 52.20 | a | 41.98 | ----- | z | 51.34 | a | ||||||||
1983 | 42.05 | 44.87 | a | 48.32 | 49.10 | 57.23 | 58.52 | a | 62.34 | 64.71 | 56.58 | 49.92 | a | 47.07 | 33.34 | 51.17 | ||||||||||
1984 | 40.37 | a | ----- | z | 48.25 | a | 47.41 | b | 52.97 | 57.98 | 63.83 | a | 63.44 | 58.88 | 49.73 | 44.24 | a | 35.92 | 51.18 | a | ||||||
1985 | 33.65 | 37.60 | b | 43.00 | 50.10 | 54.27 | 59.80 | 68.39 | 63.02 | c | 56.35 | 49.97 | 36.32 | 32.22 | b | 48.72 | ||||||||||
1986 | 42.05 | a | 42.52 | 49.74 | 48.28 | 54.85 | a | 63.57 | 62.08 | 68.63 | 58.55 | 53.84 | 45.13 | 38.48 | a | 52.31 | ||||||||||
1987 | 38.15 | 43.25 | 46.85 | 51.98 | 58.08 | 62.35 | 63.71 | 65.95 | 61.33 | 54.29 | 46.12 | b | 37.55 | 52.47 | ||||||||||||
1988 | 38.22 | a | 42.43 | 45.25 | a | 50.97 | 54.13 | 59.72 | 64.89 | 63.65 | 60.12 | 56.15 | a | 45.68 | 40.02 | 51.77 | ||||||||||
1989 | 40.85 | 35.37 | a | 43.94 | 53.28 | 56.13 | 62.78 | 63.19 | 63.61 | 61.57 | 52.23 | a | 46.53 | 39.31 | 51.57 | |||||||||||
1990 | 41.85 | 39.73 | 47.90 | 52.62 | 54.47 | a | 61.35 | 67.67 | a | 67.32 | 63.38 | 50.34 | 45.53 | 33.13 | 52.11 | |||||||||||
1991 | 37.71 | 47.32 | 44.08 | 49.10 | 52.70 | a | 57.55 | 65.56 | 66.23 | 62.72 | 52.32 | 45.87 | 40.50 | 51.80 | ||||||||||||
1992 | 42.86 | c | 46.64 | 49.71 | 52.80 | 58.87 | 64.32 | 67.17 | b | 67.32 | a | 60.45 | 55.13 | a | 44.74 | a | 38.65 | 54.05 | ||||||||
1993 | 35.62 | a | 39.04 | b | 46.95 | a | 50.72 | 59.66 | 60.43 | 61.93 | a | 65.66 | 61.82 | 54.90 | a | 39.98 | b | 40.02 | a | 51.39 | ||||||
1994 | 43.23 | 39.35 | a | 49.03 | 52.09 | a | 58.15 | 59.48 | 67.81 | 66.35 | 64.14 | a | 50.50 | 40.25 | d | 40.75 | a | 52.59 | ||||||||
1995 | 41.60 | a | 44.04 | a | 46.10 | 49.55 | 58.26 | 60.22 | c | 67.52 | a | ----- | z | 65.07 | 51.05 | a | 49.28 | 40.60 | 52.12 | a | ||||||
1996 | 39.97 | 39.32 | a | 45.57 | c | 51.63 | 53.93 | a | 61.00 | 68.28 | d | 65.87 | e | 59.11 | c | 51.74 | 44.81 | a | 41.02 | a | 51.85 | |||||
1997 | 39.92 | 42.05 | 45.50 | a | 48.88 | b | 59.81 | 60.85 | 65.84 | 68.27 | 63.18 | 51.73 | 48.45 | a | 38.80 | a | 52.77 | |||||||||
1998 | 41.92 | 45.04 | 47.37 | a | 50.90 | a | 54.35 | a | 62.22 | 68.79 | 67.73 | 63.30 | 51.97 | 46.38 | b | 39.30 | a | 53.27 | ||||||||
1999 | 41.09 | c | 42.25 | b | 44.87 | 49.31 | a | 54.53 | 59.72 | 64.47 | 65.85 | 60.35 | 52.45 | a | 48.90 | 42.62 | a | 52.20 | ||||||||
2000 | 38.77 | a | 43.18 | a | 44.32 | 52.97 | a | 57.14 | b | 62.32 | 65.74 | 64.71 | 60.59 | b | 53.55 | a | 40.97 | a | 39.40 | b | 51.97 | |||||
2001 | 40.16 | c | 40.60 | b | 46.52 | b | 47.73 | b | 56.27 | 58.84 | a | 64.40 | a | 65.67 | a | 61.02 | a | 51.28 | b | 46.92 | 39.47 | 51.57 | ||||
2002 | 39.63 | 42.83 | a | 42.34 | b | 49.55 | 53.73 | a | 61.83 | a | 67.10 | a | 66.03 | 60.92 | 51.12 | a | 45.20 | b | 41.96 | c | 51.85 | |||||
2003 | 43.39 | c | 42.86 | 47.08 | a | 49.46 | b | 54.37 | a | 64.48 | b | 68.19 | 67.60 | 63.84 | a | 56.09 | b | 42.89 | b | 41.23 | a | 53.46 | ||||
2004 | 36.41 | c | 43.37 | b | 49.31 | 52.34 | a | 57.29 | 62.83 | a | 69.30 | a | 69.18 | 61.30 | c | 54.62 | c | 45.11 | b | 41.90 | a | 53.58 | ||||
2005 | 41.05 | a | 42.22 | a | 49.17 | b | 51.48 | a | 59.67 | b | 60.50 | a | 68.02 | 68.32 | ----- | z | 55.48 | 43.11 | b | 37.65 | 52.42 | a | ||||
2006 | 43.53 | b | 39.71 | 44.58 | 51.55 | b | ----- | z | 63.02 | 65.95 | a | 65.48 | 61.73 | 51.26 | 45.69 | c | 39.33 | b | 51.99 | a | ||||||
2007 | 37.93 | d | 42.27 | 47.90 | a | 49.79 | b | 55.84 | 60.38 | 68.32 | 65.25 | a | 59.38 | 51.08 | 43.18 | 39.81 | 51.76 | |||||||||
2008 | 36.53 | 42.26 | 43.29 | 45.45 | 55.68 | 58.59 | a | 65.15 | 66.52 | a | 61.05 | 50.90 | 47.37 | 36.23 | a | 50.75 | ||||||||||
2009 | 37.39 | 39.11 | 42.40 | 48.55 | 56.03 | 62.23 | 69.53 | 66.44 | 62.58 | 51.15 | 45.22 | 33.18 | 51.15 | |||||||||||||
2010 | 44.32 | 45.14 | 46.05 | 48.83 | 53.50 | 58.55 | 65.10 | a | 65.61 | 61.27 | 53.10 | b | 44.68 | b | 42.47 | a | 52.39 | |||||||||
2011 | 41.56 | d | 38.62 | 44.65 | 45.87 | 51.94 | 59.43 | a | 63.29 | 66.06 | 63.45 | 53.45 | 43.20 | 37.45 | 50.75 | |||||||||||
2012 | 39.15 | 41.95 | 43.39 | 50.87 | 54.71 | 59.27 | 65.89 | 67.27 | 62.15 | 53.13 | 44.68 | 40.31 | 51.90 | |||||||||||||
2013 | 34.15 | 41.16 | 45.52 | 48.67 | 56.50 | 61.92 | 66.48 | 66.81 | 61.92 | 49.69 | 43.05 | 33.39 | 50.77 | |||||||||||||
2014 | 38.63 | 36.84 | 46.00 | 49.67 | 57.42 | 60.10 | 67.71 | 69.10 | 63.00 | 56.50 | 43.60 | 41.42 | 52.50 | |||||||||||||
2015 | 40.84 | 45.62 | 48.42 | 48.57 | 57.23 | 65.95 | 69.03 | 68.03 | 58.33 | 55.65 | 41.78 | 40.60 | 53.34 | |||||||||||||
2016 | 39.89 | 45.12 | 46.10 | 52.85 | 57.60 | 61.63 | 64.69 | 66.22 | b | 58.08 | 53.02 | 49.50 | 34.81 | 52.46 | ||||||||||||
2017 | 32.96 | d | 39.66 | 45.03 | 48.20 | 56.48 | 61.65 | 65.87 | 69.19 | 62.70 | 50.35 | 44.52 | 36.98 | 51.13 | ||||||||||||
2018 | 42.84 | 38.52 | 42.77 | 49.72 | 58.50 | 60.30 | 68.45 | 67.19 | 58.52 | 51.97 | 44.25 | 40.23 | 51.94 | |||||||||||||
2019 | 39.61 | 34.91 | 41.71 | 49.73 | 57.23 | 60.95 | 65.47 | 66.45 | 59.98 | 46.71 | 43.05 | 39.31 | 50.43 | |||||||||||||
2020 | 42.95 | 40.91 | 42.03 | 49.22 | 56.13 | 60.12 | 65.58 | 66.35 | 62.73 | 52.37 | 42.90 | 40.56 | 51.82 | |||||||||||||
2021 | 41.94 | 38.93 | 42.44 | 49.47 | 55.40 | 66.03 | 68.31 | 67.35 | 60.18 | 49.98 | 46.25 | 38.19 | 52.04 | |||||||||||||
2022 | 38.98 | 39.39 | 45.48 | 44.43 | 52.02 | 60.55 | 68.13 | 69.45 | 63.85 | 56.61 | 39.17 | 36.39 | 51.20 | |||||||||||||
2023 | 39.74 | 37.33 | a | 41.08 | 47.95 | 60.18 | 61.83 | 68.63 | 70.56 | 60.60 | 53.85 | 44.28 | 43.18 | 52.44 | ||||||||||||
2024 | 38.29 | 43.36 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.83 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.73 | 41.91 | 46.05 | 50.71 | 56.43 | 61.46 | 66.34 | 66.41 | 61.43 | 53.37 | 45.06 | 39.88 | 52.33 | |||||||||||||
S.D. | 3.88 | 2.95 | 2.63 | 2.75 | 2.47 | 2.10 | 2.25 | 2.16 | 2.35 | 2.42 | 2.68 | 3.00 | 1.35 | |||||||||||||
SKEW | -0.93 | -0.18 | 0.46 | 0.12 | 0.13 | 0.10 | -0.11 | -0.49 | 0.12 | 0.12 | -0.51 | -0.56 | 0.26 | |||||||||||||
MAX | 47.48 | 49.23 | 54.00 | 58.58 | 62.73 | 66.37 | 72.50 | 71.03 | 67.52 | 59.95 | 51.33 | 47.31 | 56.39 | |||||||||||||
MIN | 26.58 | 33.39 | 41.08 | 43.73 | 51.23 | 56.08 | 61.47 | 60.08 | 56.35 | 46.71 | 36.32 | 30.77 | 48.72 | |||||||||||||
YRS | 129 | 129 | 129 | 127 | 127 | 127 | 128 | 128 | 127 | 129 | 130 | 129 | 119 |