YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1892 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1893 | 3.64 | f | 8.02 | a | 20.79 | b | 37.36 | b | 53.81 | ----- | z | ----- | z | 66.57 | a | 59.32 | 46.37 | 29.52 | b | 11.28 | b | 37.00 | c | |||
1894 | 5.16 | b | 13.89 | 33.65 | 46.93 | 57.73 | 68.77 | 72.84 | 69.87 | 61.52 | 46.92 | 26.77 | 24.47 | b | 44.04 | |||||||||||
1895 | 4.03 | a | 9.77 | d | 26.42 | 51.67 | 58.41 | d | 66.42 | 69.06 | 68.68 | 63.13 | 42.74 | 29.02 | b | 18.19 | 42.30 | |||||||||
1896 | 13.62 | b | 21.28 | b | 23.48 | 45.28 | 61.53 | 66.38 | 68.19 | 68.60 | 55.78 | 41.91 | b | 17.57 | 20.98 | 42.05 | ||||||||||
1897 | 8.53 | a | 16.09 | 20.16 | 44.90 | 55.97 | 63.00 | 71.35 | 64.44 | 66.40 | 51.34 | b | 27.68 | 14.32 | 42.02 | |||||||||||
1898 | 21.06 | 18.21 | 32.42 | 44.70 | 56.40 | 66.90 | 71.97 | 68.65 | 61.88 | 44.42 | 27.78 | 16.27 | c | 44.22 | ||||||||||||
1899 | 13.05 | 5.63 | b | 15.82 | 43.62 | a | 55.94 | 66.23 | 72.34 | 70.94 | 58.12 | 50.74 | 40.53 | 19.06 | 42.67 | |||||||||||
1900 | 19.73 | 6.11 | 25.52 | 50.57 | 60.44 | 67.95 | 71.31 | 77.29 | 61.73 | 56.68 | 26.62 | 19.12 | b | 45.25 | ||||||||||||
1901 | 15.27 | a | 12.59 | 29.88 | b | 48.72 | a | 59.60 | 66.71 | a | 76.77 | a | 72.65 | 59.12 | 51.13 | a | 29.25 | 14.47 | 44.68 | |||||||
1902 | 18.56 | 17.88 | b | 34.95 | b | 43.38 | a | 59.69 | 61.57 | 70.35 | 67.67 | g | 56.07 | 49.26 | 34.28 | 13.13 | 41.74 | a | ||||||||
1903 | 13.24 | 12.62 | 31.37 | 44.95 | 56.91 | b | 63.23 | 69.13 | p | 65.68 | 58.23 | 48.91 | b | 28.60 | 11.05 | 39.53 | a | |||||||||
1904 | 6.45 | 3.84 | 27.60 | 39.98 | 56.94 | 64.21 | m | 66.53 | 66.95 | 58.88 | 48.97 | 38.80 | 18.74 | b | 39.43 | a | ||||||||||
1905 | 4.82 | 11.20 | 36.02 | a | 44.72 | a | 53.70 | a | 65.63 | 68.13 | 70.47 | 64.37 | 44.21 | 34.25 | 22.93 | b | 43.37 | |||||||||
1906 | 18.27 | 18.48 | a | 21.63 | a | 49.55 | 56.53 | 65.00 | 68.76 | 70.17 | a | 64.77 | 46.83 | a | 31.93 | b | 19.16 | 44.26 | ||||||||
1907 | 5.32 | 18.71 | 30.80 | a | 36.50 | 48.10 | 65.10 | 69.68 | a | 68.24 | 58.98 | a | 47.37 | 33.10 | a | 22.44 | 42.03 | |||||||||
1908 | 18.97 | 20.21 | 28.83 | b | 46.17 | c | 55.93 | a | 63.65 | 70.87 | 66.98 | 66.22 | 47.39 | 34.43 | 19.68 | 44.94 | ||||||||||
1909 | 11.66 | 15.46 | 27.10 | a | 38.37 | 55.07 | a | 66.33 | a | 70.55 | 73.40 | 59.74 | a | 44.17 | a | 35.16 | a | 11.16 | 42.35 | |||||||
1910 | 13.13 | a | 10.41 | 44.45 | 50.05 | 53.22 | a | 68.33 | 71.53 | 67.82 | 61.82 | 53.32 | 27.31 | a | 17.56 | 44.91 | ||||||||||
1911 | 7.03 | 17.73 | 34.61 | 44.12 | 62.11 | 71.83 | 69.61 | 64.89 | 59.92 | 43.87 | 20.48 | 20.81 | 43.08 | |||||||||||||
1912 | -3.02 | 14.38 | 23.13 | 47.18 | 57.60 | 62.87 | 69.81 | 66.70 | a | 59.72 | 50.82 | 35.15 | 23.15 | 42.29 | ||||||||||||
1913 | 12.67 | b | 12.64 | 25.50 | a | 47.53 | a | 54.92 | 68.68 | 69.50 | 71.71 | 61.80 | 44.98 | 39.25 | 27.55 | 44.73 | ||||||||||
1914 | 20.37 | 8.43 | 29.63 | a | 43.77 | 59.82 | 67.32 | 74.34 | 68.06 | 61.40 | 54.18 | 35.02 | 10.23 | 44.38 | ||||||||||||
1915 | 12.05 | 24.27 | 27.24 | 54.85 | 53.60 | 62.22 | 66.60 | a | 65.56 | 60.47 | 51.69 | 34.38 | 20.68 | 44.47 | ||||||||||||
1916 | 6.42 | 8.67 | 26.72 | a | 43.60 | 56.42 | 62.70 | 77.94 | 70.68 | 58.97 | 45.61 | 32.75 | 10.45 | 41.74 | ||||||||||||
1917 | 6.18 | 5.48 | 24.97 | 41.98 | 54.55 | 62.72 | 72.06 | 66.85 | 58.72 | 38.55 | 37.25 | 7.94 | 39.77 | |||||||||||||
1918 | 3.13 | 17.66 | 38.40 | 43.08 | 60.60 | 67.47 | 70.58 | 70.32 | 55.09 | a | 50.48 | a | 36.40 | 25.95 | 44.93 | |||||||||||
1919 | 22.11 | 15.61 | 30.37 | a | 45.72 | a | 57.35 | 69.80 | 74.32 | 69.02 | a | 63.95 | 42.60 | 26.30 | 11.13 | a | 44.02 | |||||||||
1920 | 8.32 | a | 17.41 | a | 31.24 | 37.95 | 57.48 | 67.13 | 70.69 | 68.44 | 64.13 | 54.58 | 31.76 | a | 21.37 | 44.21 | ||||||||||
1921 | 21.23 | 25.89 | 34.56 | 50.13 | 59.66 | 73.02 | a | 75.60 | 69.68 | 62.33 | 50.55 | 23.82 | 20.26 | 47.23 | ||||||||||||
1922 | 13.95 | 9.29 | 31.39 | 46.77 | 61.87 | 69.37 | 69.42 | 72.81 | 65.15 | 52.35 | 38.48 | a | 16.85 | 45.64 | ||||||||||||
1923 | 16.10 | 10.21 | 23.18 | 44.27 | 57.97 | 69.62 | 75.02 | 67.52 | 63.90 | 46.42 | 37.28 | a | 28.87 | 45.03 | ||||||||||||
1924 | 6.90 | a | 22.19 | 29.21 | 46.45 | 50.10 | 63.15 | 68.60 | 68.48 | 56.93 | a | 54.35 | a | 31.92 | 8.26 | 42.21 | ||||||||||
1925 | 10.94 | 20.89 | 35.31 | 52.85 | 54.84 | b | 66.27 | 69.34 | 71.79 | 66.15 | 37.10 | 31.87 | 16.90 | a | 44.52 | |||||||||||
1926 | 16.05 | 23.16 | 27.08 | 44.42 | 63.33 | b | 63.72 | 71.88 | a | 69.55 | b | 58.68 | 47.39 | 28.00 | c | 13.58 | a | 43.90 | ||||||||
1927 | 14.81 | 21.75 | 34.71 | 46.27 | 54.81 | 63.98 | 67.66 | 65.30 | a | 63.38 | 51.68 | 28.97 | 4.89 | 43.18 | ||||||||||||
1928 | 15.89 | 22.26 | 33.05 | 39.70 | 60.74 | 61.39 | b | 72.21 | 69.40 | 57.37 | 48.08 | a | 35.48 | 25.45 | 45.09 | |||||||||||
1929 | 2.42 | 6.88 | 33.23 | 46.92 | 53.55 | a | 64.03 | 71.65 | a | 69.94 | 58.82 | 49.25 | a | 27.53 | 16.53 | 41.73 | ||||||||||
1930 | 6.03 | 28.76 | a | 32.15 | 48.07 | 58.78 | b | 65.00 | 73.88 | a | 72.10 | 60.22 | a | 46.87 | a | 35.10 | 22.35 | a | 45.78 | |||||||
1931 | 26.19 | 31.21 | 31.71 | 48.35 | 55.47 | 74.31 | a | 75.08 | 70.16 | 69.27 | 52.74 | 37.68 | b | 25.90 | 49.84 | |||||||||||
1932 | 15.48 | 19.54 | d | 21.78 | b | 46.03 | a | 59.38 | a | 70.05 | 72.32 | 70.56 | 59.33 | a | 45.27 | a | 28.18 | 15.71 | 43.64 | |||||||
1933 | 21.83 | a | 13.00 | 30.95 | 45.24 | a | 57.21 | 74.95 | 75.02 | a | 68.96 | c | 66.37 | 46.71 | 31.13 | 15.74 | 45.59 | |||||||||
1934 | 18.53 | 20.55 | 30.29 | 47.38 | a | 69.33 | a | 70.97 | 74.71 | 68.79 | 56.43 | 53.06 | 35.97 | 15.16 | 46.77 | |||||||||||
1935 | 9.87 | 26.98 | 33.45 | 41.93 | b | 53.71 | 63.18 | 77.17 | a | 70.84 | 60.83 | 46.87 | 25.57 | a | 15.27 | 43.81 | ||||||||||
1936 | 0.34 | -4.28 | 29.31 | 39.40 | 62.82 | 64.72 | 78.74 | 73.97 | 66.08 | 46.23 | 29.07 | 20.77 | 42.26 | |||||||||||||
1937 | 0.63 | 11.91 | 27.53 | 44.12 | 59.52 | 65.07 | a | 74.79 | 76.50 | 62.63 | 44.71 | 29.78 | 15.19 | 42.70 | ||||||||||||
1938 | 9.89 | 17.30 | 36.05 | 46.62 | 55.00 | a | 66.98 | 72.60 | 73.27 | 62.93 | 56.15 | 29.95 | 20.77 | a | 45.63 | |||||||||||
1939 | 17.69 | 9.39 | 29.92 | 44.27 | 64.15 | 68.40 | 72.90 | 68.63 | 64.25 | 48.08 | 37.67 | 28.48 | 46.15 | |||||||||||||
1940 | 5.84 | 19.69 | 24.87 | a | 42.77 | 57.56 | 67.10 | 74.22 | a | 66.73 | a | 63.93 | 53.87 | 26.22 | 20.97 | 43.65 | ||||||||||
1941 | 16.43 | a | 15.14 | 28.65 | 51.13 | 62.87 | 66.87 | 71.81 | 70.34 | 61.00 | 50.10 | 34.87 | 25.29 | 46.21 | ||||||||||||
1942 | 19.87 | 18.98 | 34.87 | 51.23 | 54.69 | 63.92 | 69.11 | 68.94 | 56.40 | 49.26 | 32.75 | 14.21 | 44.52 | |||||||||||||
1943 | 5.00 | 17.73 | 24.79 | 45.72 | 54.50 | 69.08 | 72.84 | 69.69 | 56.82 | 48.27 | 27.58 | 22.35 | 42.87 | |||||||||||||
1944 | 26.53 | 19.79 | 24.52 | 41.45 | 60.92 | 68.47 | 69.53 | 68.95 | 60.35 | 49.44 | 36.17 | 18.85 | 45.41 | |||||||||||||
1945 | 13.26 | 17.00 | 39.05 | 43.23 | 52.56 | 60.07 | 68.98 | 69.19 | 58.57 | 48.52 | 30.78 | 11.11 | 42.69 | |||||||||||||
1946 | 14.18 | 16.55 | 40.87 | 51.32 | 55.24 | 67.58 | 71.40 | 66.74 | 58.42 | 48.66 | 30.73 | 19.74 | 45.12 | |||||||||||||
1947 | 21.95 | 13.16 | 28.58 | 41.82 | 53.60 | 63.57 | 71.47 | 75.98 | 62.17 | a | 50.86 | x | 25.15 | 15.10 | 42.96 | a | ||||||||||
1948 | 7.68 | 12.74 | 25.06 | 49.78 | 57.39 | 65.52 | 72.23 | 68.66 | 64.33 | 47.98 | 31.25 | 17.23 | 43.32 | |||||||||||||
1949 | 11.69 | 12.27 | 29.79 | 47.10 | 61.52 | a | 70.20 | 73.97 | 73.34 | 58.27 | 52.13 | 37.85 | 19.26 | 45.61 | ||||||||||||
1950 | 4.89 | 17.25 | 24.72 | a | 37.38 | 55.63 | 68.53 | 69.29 | 66.29 | 61.42 | 52.32 | 27.73 | 12.11 | 41.46 | ||||||||||||
1951 | 7.21 | 17.95 | 19.05 | 41.38 | 61.13 | 62.93 | 70.79 | 67.53 | 56.45 | 48.08 | 25.73 | 14.15 | 41.03 | |||||||||||||
1952 | 10.74 | 22.59 | 23.39 | 48.82 | 58.76 | 69.45 | 72.16 | 68.19 | 62.68 | 45.16 | 35.03 | 22.31 | 44.94 | |||||||||||||
1953 | 16.11 | 18.41 | 30.98 | 41.75 | 58.02 | 69.85 | 71.08 | 71.48 | 61.23 | 56.15 | 37.55 | 19.45 | 46.01 | |||||||||||||
1954 | 8.37 | 31.95 | 28.19 | 46.27 | 53.42 | 70.47 | 72.69 | 67.84 | 59.73 | 47.40 | 38.20 | 22.71 | 45.60 | |||||||||||||
1955 | 14.16 | 13.34 | 27.13 | 53.62 | 64.32 | 67.38 | 78.11 | 75.47 | 62.97 | 51.94 | 24.15 | 10.66 | 45.27 | |||||||||||||
1956 | 10.18 | 13.09 | 25.90 | 41.20 | 58.40 | 72.27 | 69.97 | 70.63 | 60.33 | 57.23 | a | 33.28 | 24.76 | 44.77 | ||||||||||||
1957 | 9.79 | 20.93 | 30.58 | 46.98 | 57.03 | 67.31 | a | 77.24 | 69.48 | 59.10 | 48.56 | 33.28 | 26.10 | 45.53 | ||||||||||||
1958 | 21.58 | 15.34 | 32.71 | c | 48.08 | 63.37 | 63.23 | 69.76 | 71.85 | 63.50 | 52.48 | 34.95 | 15.15 | 46.00 | ||||||||||||
1959 | 11.16 | b | ----- | z | 37.58 | k | 47.07 | 61.56 | 71.67 | 73.29 | 74.76 | 62.35 | 43.45 | 23.66 | a | 27.27 | g | 52.11 | c | |||||||
1960 | 12.18 | 14.16 | 17.35 | 45.17 | 57.50 | 65.00 | 71.94 | 71.48 | 62.73 | 50.72 | a | 34.95 | 18.40 | 43.46 | ||||||||||||
1961 | 14.92 | 24.94 | a | 35.21 | 39.68 | 55.89 | 70.85 | c | 70.85 | d | 72.74 | b | 61.47 | a | 51.06 | 31.89 | b | 14.06 | 45.30 | |||||||
1962 | 10.35 | 13.73 | 24.29 | 42.62 | 61.11 | 66.88 | a | 68.82 | 70.40 | b | 59.22 | 52.95 | 38.35 | 20.61 | 44.11 | |||||||||||
1963 | 5.71 | 15.50 | 35.15 | 49.28 | a | 57.87 | 71.73 | 73.15 | a | 69.90 | 64.07 | 59.35 | 38.43 | a | 11.27 | 45.95 | ||||||||||
1964 | 21.06 | 24.98 | 24.87 | 47.33 | 62.42 | 69.78 | 75.81 | 67.47 | a | 60.40 | 50.95 | a | 33.45 | b | 12.48 | 45.92 | ||||||||||
1965 | 8.47 | a | 12.04 | 16.81 | 43.52 | 60.37 | 68.87 | 71.92 | 69.08 | 52.41 | a | 51.81 | 31.95 | a | 26.92 | 42.85 | ||||||||||
1966 | 1.77 | 15.04 | a | 36.26 | 40.88 | 55.27 | 69.47 | 76.66 | 67.58 | 61.02 | 49.81 | 28.95 | 17.35 | 43.34 | ||||||||||||
1967 | 15.23 | 10.29 | 31.95 | 45.75 | 54.21 | 67.60 | a | 71.06 | 68.32 | 61.03 | a | 48.53 | 33.54 | b | 22.08 | 44.13 | ||||||||||
1968 | 15.00 | 16.00 | 40.76 | 49.47 | 54.81 | 69.92 | 72.00 | 72.34 | b | 61.62 | 50.97 | a | 34.26 | a | 16.78 | a | 46.16 | |||||||||
1969 | 7.82 | c | 17.34 | 20.10 | a | 47.67 | a | 61.32 | 62.03 | 72.98 | a | 73.37 | a | 62.78 | a | 46.27 | 33.64 | a | 18.57 | a | 43.66 | |||||
1970 | 4.00 | 15.16 | 24.10 | a | 45.15 | 60.50 | 72.09 | a | 74.94 | 71.69 | 62.65 | 49.35 | 31.34 | b | 16.94 | 43.99 | ||||||||||
1971 | 6.35 | 17.86 | 29.24 | b | 48.10 | 57.32 | a | 72.37 | 68.84 | 70.74 | 62.60 | 53.00 | 32.88 | a | 15.93 | b | 44.60 | |||||||||
1972 | 7.10 | 10.79 | 28.16 | 42.83 | 61.50 | 68.80 | 70.79 | 71.29 | 60.43 | 46.19 | 31.81 | a | 11.97 | b | 42.64 | |||||||||||
1973 | 19.24 | 23.27 | 39.98 | 44.95 | 57.85 | 71.33 | 72.52 | 72.87 | 60.43 | a | 55.84 | 34.74 | a | 15.68 | 47.39 | |||||||||||
1974 | 10.26 | 16.25 | 29.80 | a | 47.31 | a | 55.71 | 68.90 | 77.82 | 68.22 | b | 59.80 | 53.64 | b | 34.52 | a | 23.20 | a | 45.45 | |||||||
1975 | 14.39 | 14.09 | 22.50 | 38.77 | 62.90 | 68.92 | ----- | z | 71.75 | a | 59.27 | 53.65 | 36.17 | 19.24 | 41.97 | a | ||||||||||
1976 | 11.91 | c | 27.55 | 31.73 | a | 53.36 | h | 58.83 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.51 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 11.97 | 16.17 | 29.15 | 45.34 | 57.86 | 67.19 | 72.05 | 69.87 | 61.00 | 49.26 | 31.96 | 17.97 | 44.24 | |||||||||||||
S.D. | 6.31 | 6.30 | 5.76 | 3.91 | 3.54 | 3.29 | 2.78 | 2.69 | 2.98 | 4.13 | 4.61 | 5.18 | 1.67 | |||||||||||||
SKEW | 0.10 | -0.06 | 0.06 | -0.08 | 0.23 | 0.06 | 0.44 | 0.47 | -0.02 | -0.22 | -0.53 | -0.03 | 0.14 | |||||||||||||
MAX | 26.53 | 31.95 | 44.45 | 54.85 | 69.33 | 74.95 | 78.74 | 77.29 | 69.27 | 59.35 | 40.53 | 28.87 | 49.84 | |||||||||||||
MIN | -3.02 | -4.28 | 15.82 | 36.50 | 48.10 | 60.07 | 66.53 | 64.44 | 52.41 | 37.10 | 17.57 | 4.89 | 39.77 | |||||||||||||
YRS | 83 | 83 | 83 | 83 | 84 | 81 | 80 | 82 | 83 | 82 | 83 | 82 | 76 |