YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | 70.76 | n | 71.90 | 83.61 | 83.10 | 63.90 | 54.23 | 50.21 | b | 35.32 | 63.18 | e | ||||||
1895 | 24.97 | 31.88 | b | 43.32 | ----- | z | 60.71 | q | 71.00 | 77.39 | 75.81 | 60.10 | 58.94 | 41.30 | c | 32.45 | b | 51.71 | b | |||||||
1896 | 26.54 | c | 39.07 | 35.90 | a | 51.55 | a | 57.23 | 74.47 | 80.61 | 74.55 | 59.10 | 59.94 | 17.27 | 39.47 | a | 51.31 | |||||||||
1897 | 36.33 | a | 33.15 | a | 31.52 | 58.00 | 75.03 | 67.83 | 75.45 | 83.97 | 70.60 | 54.13 | 30.48 | e | 31.48 | b | 54.00 | |||||||||
1898 | 33.29 | 39.21 | 32.81 | 50.53 | 61.10 | a | 70.53 | 78.16 | 81.40 | a | 70.60 | 47.17 | a | 34.17 | 33.53 | a | 52.71 | |||||||||
1899 | 25.80 | a | 16.50 | 31.16 | 48.70 | 56.16 | 66.83 | 82.61 | 75.84 | 70.37 | 47.29 | 52.00 | 29.84 | 50.26 | ||||||||||||
1900 | 38.40 | a | 27.81 | a | 45.71 | 58.20 | 64.87 | 73.87 | 75.87 | 71.03 | 60.40 | 50.61 | 36.63 | 43.16 | 53.88 | |||||||||||
1901 | 32.48 | 29.89 | a | 44.55 | 53.20 | 64.81 | 59.97 | 78.52 | 83.48 | 56.17 | a | 63.81 | 48.48 | a | 37.57 | c | 54.41 | |||||||||
1902 | 34.21 | c | 35.20 | c | 38.63 | d | 53.25 | b | 61.45 | b | 63.00 | b | 72.10 | b | 73.90 | b | 65.15 | j | 58.84 | 34.33 | 25.63 | a | 50.05 | a | ||
1903 | 34.57 | c | 29.36 | c | 33.48 | d | 49.92 | f | 55.75 | s | 72.96 | g | 73.68 | 71.23 | 61.57 | 62.26 | 34.97 | ----- | z | 50.14 | d | |||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | 44.94 | 46.30 | 61.81 | 75.07 | 83.21 | g | 82.27 | a | 72.50 | b | 59.04 | c | 42.90 | a | 28.71 | 57.06 | c | |||||
1910 | 36.06 | 29.61 | 55.87 | 66.07 | 69.68 | 81.70 | 86.38 | b | 76.87 | 65.07 | 59.55 | 53.56 | u | ----- | z | 62.69 | b | |||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.87 | 50.19 | 41.50 | 34.55 | 46.28 | h | ||||
1913 | 24.23 | a | 26.57 | 30.20 | a | 53.13 | 58.39 | 72.50 | 76.00 | 75.94 | 74.17 | l | 60.32 | c | 57.37 | 45.65 | 52.75 | a | ||||||||
1914 | 35.23 | 31.36 | 40.13 | 53.00 | m | 63.48 | 65.87 | 78.94 | 74.52 | 63.79 | a | 55.50 | a | 44.23 | 25.87 | a | 52.63 | a | ||||||||
1915 | 33.88 | e | 37.75 | 39.79 | c | 58.07 | 57.73 | t | 64.07 | a | 68.32 | 81.68 | c | 62.77 | 59.55 | 40.03 | 34.80 | a | 52.79 | a | ||||||
1916 | 8.52 | 29.63 | b | 42.77 | r | 61.07 | 57.10 | 66.29 | f | 73.68 | 72.37 | a | 63.89 | b | 49.03 | a | 38.07 | a | 21.29 | 47.46 | b | |||||
1917 | 27.73 | a | 26.48 | a | 31.03 | 42.63 | 58.58 | 66.67 | 80.67 | a | 76.32 | 67.22 | c | 53.19 | 55.90 | 25.87 | 51.03 | |||||||||
1918 | 28.23 | a | 29.46 | 45.00 | 51.86 | a | 55.87 | 74.04 | b | 77.00 | 71.07 | c | 67.37 | 53.06 | 36.70 | c | 33.89 | c | 51.96 | |||||||
1919 | 37.13 | a | 22.00 | 32.10 | a | 52.57 | 59.68 | 71.33 | 79.23 | 77.97 | 63.93 | b | 43.03 | 29.17 | a | 25.77 | 49.49 | |||||||||
1920 | 28.77 | 29.31 | 32.55 | 37.30 | 52.62 | b | 62.67 | 79.13 | 74.03 | a | 63.50 | 47.30 | a | 34.90 | 26.87 | a | 47.41 | |||||||||
1921 | 28.68 | 31.86 | 34.87 | 44.90 | 56.16 | 66.07 | 74.34 | b | 73.52 | 52.03 | 55.32 | 31.73 | 26.55 | 48.00 | ||||||||||||
1922 | 20.45 | 18.71 | 33.84 | 42.90 | 55.55 | 67.03 | a | 71.65 | 75.65 | 66.53 | 59.19 | 42.73 | 21.84 | 48.01 | ||||||||||||
1923 | 32.39 | 27.86 | 37.70 | a | 50.66 | a | 61.19 | 66.60 | 77.39 | 71.97 | 69.30 | 55.68 | 48.93 | 34.61 | 52.86 | |||||||||||
1924 | 27.39 | 41.90 | 36.52 | 48.34 | a | 63.74 | 65.18 | b | 78.23 | 71.84 | 67.67 | 56.35 | 37.23 | 20.68 | 51.26 | |||||||||||
1925 | 31.35 | 36.11 | 38.26 | 52.03 | 64.16 | 70.57 | 78.61 | 74.65 | 61.73 | 42.84 | 43.69 | a | 42.32 | 53.03 | ||||||||||||
1926 | 37.77 | 41.36 | 46.39 | 55.50 | 61.70 | a | 69.87 | 80.03 | 73.45 | 53.62 | a | 56.06 | 41.13 | 30.45 | 53.94 | |||||||||||
1927 | 26.42 | 29.43 | 38.35 | 45.20 | 49.68 | 64.47 | 73.10 | 68.06 | 58.00 | a | 53.55 | 30.31 | a | 18.65 | 46.27 | |||||||||||
1928 | 32.29 | 33.14 | a | 40.71 | 45.03 | 66.03 | 58.87 | 72.55 | 68.37 | a | 64.10 | 45.94 | 38.80 | 32.84 | 49.89 | |||||||||||
1929 | 14.87 | 23.63 | a | 43.19 | 47.40 | 60.58 | 66.13 | 79.26 | 82.61 | 63.67 | 59.03 | a | 41.03 | 28.90 | 50.86 | |||||||||||
1930 | 13.97 | 39.64 | 38.65 | 58.90 | 60.13 | 68.77 | 79.87 | 81.48 | 69.10 | 48.42 | 43.60 | 38.77 | 53.44 | |||||||||||||
1931 | 40.65 | 42.96 | 39.71 | 51.87 | 63.81 | 73.13 | 78.52 | 79.68 | 63.80 | 58.71 | 36.27 | 35.97 | 55.42 | |||||||||||||
1932 | 27.77 | a | 33.03 | 32.00 | 52.33 | 61.16 | 70.50 | 78.19 | 75.48 | 69.30 | 51.84 | 42.67 | 26.90 | 51.77 | ||||||||||||
1933 | 31.10 | 24.86 | 39.87 | 47.27 | 59.10 | 74.50 | 80.74 | 77.32 | 63.90 | 55.48 | 47.50 | 27.74 | 52.45 | |||||||||||||
1934 | 39.64 | c | 40.52 | a | 44.48 | f | 59.60 | 70.52 | 69.70 | c | 81.25 | c | 81.45 | 64.46 | d | 58.55 | 49.75 | b | 35.68 | 59.19 | a | |||||
1935 | 26.61 | 44.18 | 38.57 | a | 43.83 | 60.53 | a | 68.07 | 79.81 | 77.32 | 71.10 | 58.54 | c | 42.79 | b | 39.97 | 54.28 | |||||||||
1936 | 28.00 | c | 9.07 | 36.23 | 51.10 | 68.87 | 74.27 | 85.71 | 78.77 | 64.67 | 55.87 | 45.80 | 30.19 | 52.38 | ||||||||||||
1937 | 12.68 | 21.57 | 36.23 | 51.30 | 67.16 | 73.24 | a | 80.45 | 74.55 | 69.53 | 56.06 | 37.73 | 34.35 | 51.24 | ||||||||||||
1938 | 33.90 | 26.54 | 38.03 | 50.27 | 57.39 | 68.90 | 77.41 | n | 75.12 | g | 76.73 | 56.87 | 39.53 | 35.84 | 48.40 | b | ||||||||||
1939 | 38.29 | 27.68 | 44.00 | 57.77 | 65.77 | 62.73 | 83.18 | c | 80.26 | 68.17 | 54.26 | 51.20 | 41.77 | 56.26 | ||||||||||||
1940 | 28.35 | 32.52 | 43.03 | 47.47 | 67.29 | 73.80 | 79.06 | 79.94 | 68.80 | 56.29 | 34.63 | 37.71 | 54.07 | |||||||||||||
1941 | 35.97 | 38.18 | 46.61 | 55.50 | 62.55 | 68.40 | 78.73 | a | 74.35 | 57.57 | 54.74 | 46.17 | 33.84 | 54.38 | ||||||||||||
1942 | 35.94 | 28.86 | 42.23 | 56.72 | a | 57.61 | 61.80 | 76.90 | 74.94 | 64.87 | 57.52 | 36.33 | 33.45 | 52.26 | ||||||||||||
1943 | 20.45 | 37.07 | 33.03 | 56.10 | 55.48 | 59.90 | 77.45 | 76.90 | 70.13 | 60.10 | 48.63 | 39.84 | 52.92 | |||||||||||||
1944 | 39.87 | 32.00 | 35.03 | 56.03 | 64.16 | 66.53 | 78.43 | a | 71.29 | 66.93 | 67.90 | 38.63 | 37.55 | 54.53 | ||||||||||||
1945 | 38.23 | 33.21 | 41.48 | 43.27 | 59.52 | 63.53 | 79.48 | 79.23 | 63.27 | 59.84 | 36.60 | 31.35 | 52.42 | |||||||||||||
1946 | 35.97 | 36.71 | 46.52 | 56.73 | 61.19 | 67.87 | 79.29 | 76.06 | 63.60 | 44.94 | 33.63 | 31.35 | 52.82 | |||||||||||||
1947 | 29.67 | a | 32.21 | 37.00 | 52.53 | 63.06 | 64.30 | 82.61 | 73.87 | 61.60 | 54.84 | 37.03 | 36.16 | 52.07 | ||||||||||||
1948 | 33.35 | 27.14 | 32.81 | 47.27 | 58.06 | 66.40 | 71.97 | 73.77 | 68.03 | 59.81 | 38.23 | 24.65 | 50.12 | |||||||||||||
1949 | 20.77 | 26.32 | 38.16 | 58.67 | 65.61 | 69.27 | 75.71 | 79.61 | 68.13 | 46.71 | 53.13 | 26.68 | 52.40 | |||||||||||||
1950 | 3.16 | 36.36 | 33.81 | 44.67 | 56.74 | 65.00 | 73.81 | 74.48 | 66.97 | 53.16 | 37.79 | a | 37.71 | 48.64 | ||||||||||||
1951 | 23.06 | 30.00 | b | 28.58 | 50.40 | 60.61 | 61.43 | 75.52 | 69.84 | 60.20 | 45.45 | 40.37 | 22.39 | 47.32 | ||||||||||||
1952 | 25.39 | 34.28 | 34.16 | 57.60 | 61.77 | 65.83 | 73.90 | 75.13 | 70.17 | 61.77 | 38.70 | 38.00 | 53.06 | |||||||||||||
1953 | 35.94 | 36.11 | 42.13 | 41.87 | 58.06 | 63.80 | 78.00 | 76.65 | 69.63 | 62.42 | 48.17 | 35.55 | 54.03 | |||||||||||||
1954 | 17.87 | a | 39.89 | 33.97 | 39.93 | a | 59.29 | 62.60 | 78.26 | 73.03 | 63.31 | a | 52.10 | 49.70 | 38.58 | 50.71 | ||||||||||
1955 | 33.29 | 27.89 | 27.65 | 46.50 | 54.61 | 68.00 | a | 73.23 | a | 78.90 | 64.30 | 56.74 | 26.80 | 29.42 | 48.94 | |||||||||||
1956 | 27.16 | 27.76 | 37.19 | 49.13 | 60.37 | a | 69.87 | 76.39 | 73.55 | 67.10 | a | 51.94 | 43.21 | a | 36.90 | a | 51.71 | |||||||||
1957 | 18.29 | 28.04 | a | 40.71 | 49.40 | 64.50 | a | 67.57 | b | 79.93 | a | 74.81 | 69.86 | a | 49.43 | a | 40.41 | c | 38.27 | a | 51.77 | |||||
1958 | 40.90 | 31.32 | 34.42 | 48.70 | 71.93 | a | 66.37 | 74.80 | a | 81.00 | 66.47 | 63.16 | 39.21 | a | 38.73 | a | 54.75 | |||||||||
1959 | 31.39 | 29.11 | 42.32 | 49.90 | 57.68 | 70.43 | 80.74 | 73.42 | 61.55 | a | 50.71 | 34.80 | 39.26 | 51.78 | ||||||||||||
1960 | 27.42 | 27.90 | 37.13 | a | 49.03 | 57.74 | 69.57 | 85.10 | 73.71 | 70.60 | 56.97 | 39.67 | 37.10 | 52.66 | ||||||||||||
1961 | 39.90 | a | 39.71 | 43.26 | 46.17 | 61.19 | 79.47 | 79.71 | 84.68 | 58.14 | b | 53.06 | 39.73 | 28.40 | a | 54.45 | ||||||||||
1962 | 27.45 | 30.54 | 34.81 | 56.50 | 57.32 | c | 69.73 | 75.32 | 74.65 | 69.07 | 58.84 | 44.67 | 37.94 | 53.07 | ||||||||||||
1963 | 23.31 | b | 46.00 | a | 44.55 | 51.40 | 61.84 | 67.10 | a | 76.61 | 78.32 | 73.73 | 60.10 | a | 42.17 | 31.90 | 54.75 | |||||||||
1964 | 31.37 | a | 37.34 | 33.10 | 47.93 | 57.97 | 67.40 | 79.29 | 70.32 | 57.77 | 58.23 | 37.70 | 18.26 | 49.72 | ||||||||||||
1965 | 31.27 | a | 33.54 | 31.61 | 49.67 | 57.10 | b | 65.60 | 76.94 | 74.90 | 52.03 | 62.55 | 39.23 | 34.97 | 50.78 | |||||||||||
1966 | 21.55 | 32.43 | 42.03 | 47.40 | 63.55 | 64.63 | 76.55 | 72.61 | 72.17 | 53.55 | 37.30 | 34.52 | 51.52 | |||||||||||||
1967 | 32.84 | 35.75 | 30.94 | 40.67 | 56.58 | 66.20 | 80.03 | 83.68 | 78.30 | 54.84 | 40.67 | 29.45 | 52.49 | |||||||||||||
1968 | 30.81 | 41.28 | 48.94 | 48.43 | 59.90 | 65.60 | 78.39 | 70.81 | 65.03 | 53.87 | 42.30 | 21.71 | 52.26 | |||||||||||||
1969 | 8.77 | 29.00 | 38.00 | 57.87 | 64.81 | 66.53 | 75.00 | 81.03 | 70.00 | 47.03 | 47.60 | 37.87 | 51.96 | |||||||||||||
1970 | 23.35 | 40.29 | 35.52 | 42.70 | 63.03 | 74.13 | 79.52 | 80.10 | a | 62.87 | 53.74 | 37.60 | 27.74 | 51.72 | ||||||||||||
1971 | 22.07 | a | 34.46 | 33.74 | 48.23 | 58.65 | 65.30 | 75.19 | 84.37 | a | 63.87 | 55.36 | c | 39.93 | 23.17 | a | 50.36 | |||||||||
1972 | 17.68 | 29.14 | 41.81 | 47.77 | 60.48 | 68.77 | 70.67 | a | 77.13 | 58.17 | 55.55 | 39.93 | 24.55 | 49.30 | ||||||||||||
1973 | 33.45 | 37.64 | 44.27 | a | 47.57 | b | 63.97 | a | 69.70 | 81.70 | a | ----- | z | 68.48 | a | 57.23 | 30.36 | b | 33.43 | a | 51.62 | a | ||||
1974 | 26.87 | a | 37.27 | b | 36.93 | c | 54.20 | 55.47 | a | 74.53 | 80.90 | 73.83 | a | 69.10 | 62.43 | a | 43.70 | 36.23 | 54.29 | |||||||
1975 | 28.97 | a | 23.68 | 32.86 | c | 39.76 | a | 55.55 | 64.48 | a | 80.87 | a | 70.77 | a | 70.42 | d | 49.80 | a | 41.00 | b | 35.21 | b | 49.45 | |||
1976 | 33.23 | a | 34.42 | e | 35.42 | 55.36 | b | 65.13 | 63.04 | c | 77.16 | 76.23 | 74.38 | a | 59.67 | a | 44.73 | 38.40 | a | 54.76 | ||||||
1977 | 29.77 | a | 44.70 | a | 39.97 | 57.07 | a | 57.52 | 72.17 | a | 71.84 | 67.17 | b | 58.67 | 51.87 | 37.00 | k | 24.42 | g | 55.07 | b | |||||
1978 | 18.00 | 24.54 | b | 41.13 | a | 45.23 | 52.16 | 68.13 | 73.06 | 71.39 | 67.22 | c | 61.84 | 27.67 | 19.40 | a | 47.48 | |||||||||
1979 | 13.48 | 27.41 | a | 40.94 | 45.17 | 56.14 | b | 68.33 | 77.03 | b | 78.03 | 74.30 | 55.05 | k | 37.97 | 39.77 | a | 50.78 | a | |||||||
1980 | ----- | z | ----- | z | 34.97 | 57.62 | d | 61.84 | 64.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.74 | h | |||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.40 | 32.08 | 38.11 | 50.56 | 60.78 | 68.07 | 77.73 | 76.08 | 65.46 | 55.21 | 40.37 | 32.38 | 51.87 | |||||||||||||
S.D. | 8.15 | 6.69 | 5.29 | 5.75 | 4.59 | 4.37 | 3.53 | 4.19 | 5.37 | 5.24 | 6.80 | 6.37 | 2.22 | |||||||||||||
SKEW | -0.83 | -0.41 | 0.49 | 0.08 | 0.49 | 0.48 | -0.09 | 0.22 | -0.26 | -0.35 | -0.17 | -0.40 | -0.49 | |||||||||||||
MAX | 40.90 | 46.00 | 55.87 | 66.07 | 75.03 | 81.70 | 86.38 | 84.68 | 78.30 | 67.90 | 57.37 | 45.65 | 56.26 | |||||||||||||
MIN | 3.16 | 9.07 | 27.65 | 37.30 | 49.68 | 58.87 | 68.32 | 67.17 | 52.03 | 42.84 | 17.27 | 18.26 | 46.27 | |||||||||||||
YRS | 77 | 77 | 77 | 76 | 76 | 78 | 77 | 77 | 78 | 79 | 78 | 77 | 64 |