YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1892 | 18.10 | 26.93 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.71 | w | 73.00 | x | ----- | z | 32.67 | s | 22.51 | j | ||
1893 | 18.14 | q | 18.21 | 31.13 | 46.47 | 64.23 | 81.87 | 84.29 | 81.19 | 72.90 | 58.83 | a | 39.57 | b | 20.84 | 54.50 | a | |||||||||
1894 | 18.74 | 24.57 | 43.90 | 56.97 | 69.71 | 86.97 | 90.35 | 85.71 | 76.83 | 58.13 | 35.43 | 33.52 | 56.74 | |||||||||||||
1895 | 14.29 | 20.29 | 42.44 | f | 64.37 | 70.58 | 80.30 | 83.90 | 82.81 | 76.20 | 55.47 | a | 39.00 | 28.48 | 55.97 | a | ||||||||||
1896 | 23.03 | 29.96 | a | 35.35 | 55.77 | 73.19 | 78.90 | a | 82.26 | 82.19 | 67.37 | 54.48 | 27.27 | 30.13 | a | 53.33 | ||||||||||
1897 | 17.19 | 27.04 | 31.13 | 55.33 | 69.68 | 74.27 | 82.77 | 76.87 | 77.83 | a | 61.23 | 36.43 | b | 22.43 | a | 52.68 | ||||||||||
1898 | 30.16 | 27.89 | a | 43.67 | a | 55.87 | 68.58 | 78.62 | a | 83.68 | 80.87 | 75.97 | 53.48 | 37.90 | 22.77 | 54.95 | ||||||||||
1899 | 22.74 | 15.64 | 26.45 | 58.23 | 68.77 | 76.33 | 83.94 | 81.97 | 70.33 | ----- | z | 48.41 | a | 27.90 | a | 52.79 | a | |||||||||
1900 | 30.23 | 18.50 | 35.03 | 63.97 | 78.10 | 83.47 | 81.77 | 86.19 | 70.52 | a | 67.10 | 35.00 | 27.60 | a | 56.46 | |||||||||||
1901 | 24.40 | a | 21.36 | 36.07 | a | 60.93 | 72.17 | a | 80.50 | 88.90 | 84.87 | 69.57 | 62.30 | a | 39.03 | 23.65 | 55.31 | |||||||||
1902 | 27.47 | a | 26.82 | 47.10 | a | 57.80 | 70.29 | 75.77 | 82.17 | b | 77.17 | a | 68.03 | 59.23 | 41.00 | 22.19 | d | 54.59 | ||||||||
1903 | 23.13 | a | 23.96 | a | 40.52 | d | 56.00 | b | 69.11 | c | 77.79 | a | 78.94 | 74.59 | d | 67.93 | b | 60.04 | d | 38.37 | 21.39 | 52.65 | ||||
1904 | 14.68 | 15.00 | a | 35.90 | 50.83 | 70.32 | 76.47 | 79.06 | 76.45 | 69.77 | 57.97 | a | 46.77 | 27.61 | 51.74 | |||||||||||
1905 | 15.94 | 21.00 | 44.16 | 55.07 | 65.23 | 75.53 | 79.52 | 81.10 | 74.38 | a | 53.97 | 43.37 | 30.96 | f | 55.39 | a | ||||||||||
1906 | 28.73 | a | 26.11 | 30.26 | 65.00 | j | 67.55 | 77.00 | 81.60 | a | 81.64 | q | 74.86 | a | 59.87 | h | ----- | z | 25.73 | e | 51.48 | d | ||||
1907 | 15.47 | a | 27.89 | 40.52 | 47.80 | 57.74 | 76.90 | 82.84 | 80.84 | 71.43 | i | ----- | z | 41.11 | b | 32.23 | 50.33 | b | ||||||||
1908 | 29.80 | a | 29.69 | 38.27 | a | 59.28 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.93 | a | 37.39 | g | |
1909 | 21.42 | 25.93 | 37.00 | 49.09 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.37 | 19.26 | 29.79 | g | |||||
1910 | 23.42 | 21.39 | 54.54 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.33 | p | 34.63 | 26.94 | 32.18 | g | ||||
1911 | 19.65 | 29.46 | ----- | z | 66.53 | o | 75.70 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.80 | t | 29.17 | b | 26.09 | i | ||
1912 | 5.23 | 22.86 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.12 | v | 31.90 | 20.00 | i | ||
1913 | 22.32 | 22.36 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.43 | 36.77 | 31.97 | h | ||||
1914 | 28.94 | 17.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.31 | a | 65.31 | b | 44.00 | 19.03 | a | 41.16 | f | |||
1915 | 20.13 | 31.43 | 36.45 | 67.37 | 63.16 | 73.86 | a | 77.27 | a | 77.19 | 70.37 | 61.00 | a | 43.13 | 29.32 | 54.22 | ||||||||||
1916 | 19.23 | 21.03 | 34.94 | 52.47 | 66.00 | a | 71.63 | 86.39 | 80.55 | 69.21 | a | 56.77 | 42.87 | 20.87 | 51.83 | |||||||||||
1917 | 14.73 | a | 17.04 | 35.32 | 52.43 | 68.19 | 75.67 | 84.55 | 78.61 | 69.43 | 47.26 | 45.93 | 16.97 | 50.51 | ||||||||||||
1918 | 11.35 | 28.33 | a | 48.84 | 55.87 | 72.52 | 78.87 | 82.90 | 80.47 | a | 65.80 | 60.13 | 44.48 | a | 32.87 | 55.20 | ||||||||||
1919 | 28.26 | 23.04 | e | 39.74 | 53.33 | c | 70.45 | 80.97 | 85.16 | 80.94 | 75.17 | 53.23 | 33.43 | b | 16.83 | a | 53.38 | |||||||||
1920 | 14.84 | 24.45 | 40.52 | 49.20 | 72.60 | a | 80.37 | 83.40 | a | 82.80 | a | 76.68 | b | 65.26 | 38.30 | 28.19 | 54.72 | |||||||||
1921 | 28.74 | 33.25 | 43.58 | 62.60 | 72.97 | 86.63 | 89.97 | 83.26 | 74.60 | 60.83 | a | 33.10 | 27.52 | 58.09 | ||||||||||||
1922 | 21.77 | 21.07 | 38.68 | 56.40 | 74.87 | 82.27 | 82.94 | 87.52 | 78.03 | 63.83 | a | 43.90 | 25.31 | b | 56.38 | |||||||||||
1923 | 25.84 | 20.61 | 32.58 | 55.17 | 72.74 | 84.30 | 88.83 | a | 78.58 | 74.97 | 57.94 | 47.23 | 37.61 | 56.37 | ||||||||||||
1924 | 17.13 | 31.00 | 38.29 | 55.37 | 62.58 | 77.64 | b | 83.55 | b | 79.68 | 66.60 | 65.90 | 40.60 | 16.60 | a | 52.91 | ||||||||||
1925 | 22.67 | a | 29.57 | 45.32 | 65.00 | 69.52 | 79.66 | a | 82.87 | 84.21 | c | 76.31 | a | 45.32 | 40.83 | 22.71 | 55.33 | |||||||||
1926 | 26.67 | a | 31.54 | 36.84 | 56.89 | b | 78.06 | 77.13 | 85.77 | 80.03 | 66.03 | a | 55.94 | 34.13 | 21.97 | 54.25 | ||||||||||
1927 | 21.48 | 31.00 | 42.74 | 55.72 | a | 64.26 | 77.68 | b | 81.23 | a | 80.23 | ----- | z | 61.03 | 35.80 | 15.61 | 51.53 | a | ||||||||
1928 | 24.45 | 28.31 | 42.87 | a | 50.70 | 73.45 | 74.59 | a | 84.77 | ----- | z | ----- | z | 53.62 | o | 42.73 | 31.90 | a | 50.42 | c | ||||||
1929 | 10.52 | 19.81 | a | 42.74 | 59.13 | 68.29 | 78.67 | c | 85.00 | l | 83.48 | d | 68.93 | 59.40 | a | 36.07 | 24.58 | 50.15 | a | |||||||
1930 | 14.71 | 36.07 | 41.16 | 62.17 | 70.94 | 80.87 | 88.45 | 87.40 | a | 73.86 | a | 56.55 | 45.33 | 28.93 | b | 57.20 | ||||||||||
1931 | 32.84 | 40.04 | 38.39 | 61.83 | a | 69.65 | 86.93 | 89.84 | 83.61 | 79.34 | a | 63.19 | 47.80 | 34.94 | 60.70 | |||||||||||
1932 | 26.42 | 29.00 | 32.48 | 57.00 | 71.13 | a | 86.00 | 85.90 | 85.57 | a | 73.20 | 55.61 | 39.23 | 24.50 | a | 55.50 | ||||||||||
1933 | 31.60 | a | 24.29 | 39.52 | 56.60 | 71.83 | a | 93.27 | 94.29 | c | 85.74 | 79.27 | 57.87 | 39.53 | 26.32 | 58.34 | ||||||||||
1934 | 29.90 | 28.64 | 41.33 | a | 57.97 | 86.00 | 87.93 | 90.30 | a | 81.97 | 68.40 | 63.55 | 44.80 | 21.97 | 58.56 | |||||||||||
1935 | 17.55 | 31.46 | 41.19 | 51.90 | 64.81 | 73.77 | 89.61 | 82.06 | 71.97 | 57.32 | 34.60 | 22.19 | 53.20 | |||||||||||||
1936 | 9.83 | a | 6.52 | 35.81 | 48.23 | 75.26 | 77.21 | b | 94.65 | 85.68 | 77.60 | 56.42 | 36.37 | 28.71 | 52.69 | |||||||||||
1937 | 13.03 | 21.04 | 34.52 | 51.90 | 70.72 | b | 76.37 | 89.35 | 87.65 | 74.07 | 53.52 | 37.80 | 22.90 | 52.74 | ||||||||||||
1938 | 18.93 | a | 28.00 | 45.55 | 57.23 | 65.52 | 79.20 | 83.65 | 85.29 | 72.23 | 65.87 | 38.40 | 26.90 | 55.56 | ||||||||||||
1939 | 25.42 | 19.18 | 38.26 | 53.00 | b | 74.97 | 77.87 | 84.00 | a | 80.84 | 74.55 | a | 56.26 | 46.45 | a | 35.66 | b | 55.54 | ||||||||
1940 | 12.40 | a | 25.31 | 29.42 | 51.57 | 66.65 | 77.00 | a | 85.00 | 75.26 | 73.55 | a | 62.61 | 33.10 | 26.94 | 51.57 | ||||||||||
1941 | 22.45 | 21.57 | 34.68 | 59.73 | 73.19 | 76.43 | 81.90 | 80.06 | 70.50 | 58.03 | 43.83 | 32.52 | 54.58 | |||||||||||||
1942 | 28.19 | 25.21 | 41.81 | 62.17 | 63.06 | 73.57 | 79.10 | 77.45 | 63.87 | 58.39 | 41.63 | 21.81 | 53.02 | |||||||||||||
1943 | 14.48 | 27.32 | 31.42 | 54.13 | 64.97 | 77.67 | 82.35 | 78.59 | d | 65.85 | j | 58.42 | 34.47 | 30.13 | 50.36 | a | ||||||||||
1944 | 33.16 | 29.17 | 31.68 | 49.77 | 69.84 | 77.43 | 78.87 | 78.74 | 69.50 | 61.06 | 41.90 | 26.32 | 53.95 | |||||||||||||
1945 | 20.23 | 25.82 | 47.90 | 52.67 | 61.39 | 68.33 | 78.00 | 78.84 | 68.10 | 57.90 | 38.07 | 18.68 | 51.33 | |||||||||||||
1946 | 22.65 | 26.33 | a | 48.87 | 60.27 | 64.35 | 75.43 | 80.42 | 77.45 | 68.20 | 59.26 | 40.03 | a | 28.40 | a | 54.31 | ||||||||||
1947 | 29.35 | 21.64 | 34.67 | a | 48.73 | 62.74 | 73.90 | a | 80.61 | 86.19 | 71.03 | 67.84 | 32.53 | 25.16 | 52.87 | |||||||||||
1948 | 18.35 | 22.48 | 35.16 | 62.04 | e | 68.10 | 76.07 | 84.00 | 80.50 | a | 77.37 | 60.13 | 39.93 | 25.53 | a | 54.14 | ||||||||||
1949 | 21.89 | c | 22.30 | a | 35.87 | 57.73 | 71.35 | 80.47 | 84.23 | 81.90 | 67.37 | 61.03 | 44.17 | 27.45 | 54.65 | |||||||||||
1950 | 15.48 | 25.61 | 30.68 | 43.40 | 64.00 | a | 77.33 | 78.94 | 76.42 | 71.97 | 62.73 | a | 34.97 | 19.55 | 50.09 | |||||||||||
1951 | 16.61 | 24.50 | 28.74 | 48.83 | 70.48 | 71.97 | 79.94 | 74.74 | 64.80 | 56.10 | 32.70 | 19.11 | d | 49.04 | ||||||||||||
1952 | 20.26 | 30.14 | 32.74 | 59.07 | 68.29 | 77.33 | 81.81 | 77.23 | 73.73 | 55.81 | 43.60 | 28.87 | 54.07 | |||||||||||||
1953 | 23.45 | 26.39 | 38.55 | 48.73 | 67.58 | 78.17 | 80.16 | 82.00 | 72.93 | 68.29 | 47.07 | 30.03 | 55.28 | |||||||||||||
1954 | 18.87 | 39.21 | 36.06 | 56.37 | 61.93 | a | 79.46 | b | 82.52 | 79.13 | 68.13 | 54.67 | a | 44.93 | 28.58 | 54.16 | ||||||||||
1955 | 20.32 | 23.54 | 34.87 | 64.63 | 74.20 | a | 77.89 | b | 86.71 | c | 84.42 | 70.23 | 59.53 | a | 32.90 | 20.77 | 54.17 | |||||||||
1956 | 20.50 | a | 23.55 | 34.03 | 53.60 | 69.94 | 83.83 | 79.00 | a | 80.53 | a | 69.97 | 66.40 | a | 41.17 | 32.16 | 54.56 | |||||||||
1957 | 19.48 | 28.54 | 38.84 | 57.17 | 68.71 | 76.40 | 85.74 | 79.13 | 69.53 | 55.93 | a | 38.17 | 32.26 | 54.16 | ||||||||||||
1958 | 27.65 | 24.14 | 40.26 | 58.93 | 74.65 | 73.37 | 79.74 | 82.45 | 71.87 | 62.71 | 44.17 | 23.68 | 55.30 | |||||||||||||
1959 | 19.61 | 26.32 | 43.84 | 59.70 | 72.45 | 80.60 | 84.39 | 83.71 | 72.40 | 52.26 | 33.40 | 36.48 | 55.43 | |||||||||||||
1960 | 23.90 | 26.14 | 31.71 | 56.33 | 68.87 | 76.97 | 83.81 | 82.33 | a | 72.50 | 62.32 | 44.90 | 28.13 | 54.83 | ||||||||||||
1961 | 25.55 | 35.68 | 44.06 | 50.10 | 68.52 | 82.13 | 82.35 | 84.23 | 71.33 | 63.81 | 42.43 | 25.26 | 56.29 | |||||||||||||
1962 | 20.13 | 23.32 | 35.55 | 54.93 | 73.16 | 77.87 | 80.42 | 81.52 | 69.33 | 63.42 | 46.20 | 31.52 | 54.78 | |||||||||||||
1963 | 14.16 | 26.00 | 46.29 | 61.80 | 69.90 | 82.43 | 85.45 | 81.52 | 75.97 | 73.06 | 50.53 | 19.77 | 57.24 | |||||||||||||
1964 | 31.19 | 37.28 | 37.90 | 60.31 | d | 75.61 | 81.83 | 88.97 | 80.77 | 72.39 | b | 63.14 | c | 45.60 | 23.13 | 58.18 | ||||||||||
1965 | 21.00 | 23.43 | 28.61 | 52.23 | 72.41 | d | 79.80 | 81.70 | a | 80.23 | 61.27 | 63.42 | 42.33 | 34.58 | 53.42 | |||||||||||
1966 | 15.00 | a | 26.25 | 47.42 | 51.26 | c | 69.06 | 81.43 | 88.58 | 79.71 | 72.55 | a | 60.60 | a | 38.48 | a | 26.39 | 54.73 | ||||||||
1967 | 25.74 | 22.96 | 39.48 | 55.27 | 65.77 | 77.41 | a | 81.06 | 80.55 | 74.60 | 59.35 | 41.93 | 31.52 | 54.64 | ||||||||||||
1968 | 25.29 | 25.41 | 53.74 | 61.86 | a | 65.30 | a | 78.60 | 82.48 | 82.00 | 72.07 | 62.03 | 40.57 | 25.65 | 56.25 | |||||||||||
1969 | 18.26 | 28.54 | 34.00 | 61.10 | 73.77 | a | 72.67 | 83.55 | 86.26 | 74.87 | 57.26 | 42.50 | 28.06 | 55.07 | ||||||||||||
1970 | 15.03 | 28.61 | 35.06 | 58.00 | a | 72.90 | 82.70 | 86.45 | 82.26 | 71.83 | 58.61 | 37.93 | 26.03 | 54.62 | ||||||||||||
1971 | 16.58 | 26.29 | 36.90 | 60.80 | 70.16 | 82.52 | a | 79.35 | 82.16 | 72.70 | 64.03 | 41.37 | 26.26 | 54.93 | ||||||||||||
1972 | 17.77 | 22.21 | 36.77 | 53.67 | 73.47 | a | 76.80 | 77.61 | 79.23 | 68.30 | 51.43 | a | 36.83 | a | 19.57 | a | 51.14 | |||||||||
1973 | 24.13 | a | 28.71 | 45.68 | 53.90 | a | 64.16 | 79.57 | 81.29 | 80.90 | 67.83 | 64.38 | b | 41.97 | a | 23.39 | 54.66 | |||||||||
1974 | 20.74 | 25.50 | 36.65 | 55.13 | 63.29 | 74.73 | 85.39 | 77.23 | a | 67.83 | 59.13 | 40.90 | 30.19 | 53.06 | ||||||||||||
1975 | 23.87 | a | 23.07 | 30.26 | 44.50 | 70.32 | 75.53 | 84.68 | 79.13 | 66.61 | b | 61.77 | 45.87 | 24.74 | 52.53 | |||||||||||
1976 | 20.68 | 33.93 | 39.10 | 60.77 | 68.16 | 80.55 | a | 86.16 | 82.29 | 72.10 | 53.90 | 36.73 | 21.73 | a | 54.68 | |||||||||||
1977 | 8.74 | 29.39 | 44.35 | 62.57 | 77.16 | 76.77 | 83.29 | 75.77 | 69.37 | 56.97 | 40.07 | 22.61 | 53.92 | |||||||||||||
1978 | 13.90 | 21.00 | 38.86 | b | 53.10 | 68.46 | c | 74.62 | a | 77.07 | c | 78.62 | g | 75.93 | 59.00 | 38.22 | c | 21.30 | a | 49.23 | a | |||||
1979 | 9.45 | 17.19 | a | 34.74 | 50.48 | a | 64.48 | 77.89 | b | 81.45 | 77.10 | a | 75.08 | f | 57.16 | 39.97 | 32.71 | 49.33 | a | |||||||
1980 | 22.26 | d | 24.93 | 34.57 | a | 61.50 | b | 74.00 | 77.61 | b | 85.32 | 79.26 | 69.40 | 54.42 | 44.18 | b | 28.47 | a | 54.66 | |||||||
1981 | 28.77 | 31.93 | 48.06 | 58.97 | 67.13 | 75.27 | 80.90 | 77.45 | ----- | z | 54.10 | 46.39 | b | 25.68 | 54.06 | a | ||||||||||
1982 | 10.71 | c | 22.54 | 36.00 | 51.10 | 70.45 | 73.14 | a | 84.10 | 81.16 | 68.63 | 58.45 | 35.97 | a | 32.40 | a | 52.05 | |||||||||
1983 | 26.97 | 30.89 | 39.65 | 50.70 | 64.50 | a | 76.07 | a | 84.58 | 84.90 | 69.67 | 57.52 | 39.37 | 12.90 | a | 53.14 | ||||||||||
1984 | 21.52 | b | 34.21 | 32.48 | 57.10 | 65.63 | a | 78.43 | 81.68 | 82.71 | 67.23 | 58.84 | 41.45 | a | 26.81 | 54.01 | ||||||||||
1985 | 19.94 | 23.32 | 44.63 | a | ----- | z | 73.74 | 73.60 | 82.71 | 74.87 | 67.97 | 57.33 | a | 33.93 | b | 19.00 | 51.91 | a | ||||||||
1986 | 25.63 | a | 23.82 | 43.17 | a | ----- | z | 70.95 | l | 81.79 | b | 82.71 | c | 78.52 | b | 69.11 | b | ----- | z | 40.76 | i | ----- | z | 57.82 | e | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.02 | 25.66 | 38.48 | 55.96 | 69.47 | 78.41 | 83.63 | 81.01 | 71.44 | 59.30 | 40.35 | 26.13 | 54.40 | |||||||||||||
S.D. | 6.04 | 5.36 | 5.73 | 4.98 | 4.50 | 4.02 | 3.63 | 3.17 | 3.71 | 4.59 | 4.58 | 5.22 | 2.03 | |||||||||||||
SKEW | -0.14 | -0.06 | 0.42 | -0.15 | 0.33 | 0.79 | 0.69 | 0.07 | 0.02 | -0.04 | -0.21 | -0.04 | 0.19 | |||||||||||||
MAX | 33.16 | 40.04 | 54.54 | 67.37 | 86.00 | 93.27 | 94.65 | 87.65 | 79.34 | 73.06 | 50.53 | 37.61 | 60.70 | |||||||||||||
MIN | 5.23 | 6.52 | 26.45 | 43.40 | 57.74 | 68.33 | 77.07 | 74.59 | 61.27 | 45.32 | 27.27 | 12.90 | 49.04 | |||||||||||||
YRS | 94 | 95 | 89 | 85 | 86 | 87 | 86 | 84 | 82 | 83 | 89 | 92 | 72 |