YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | ----- | z | 50.31 | q | 66.71 | 74.10 | 80.03 | 83.13 | 68.83 | 50.97 | a | 31.90 | 17.97 | 59.20 | d | |||||||
1938 | 14.16 | 14.93 | a | 43.00 | 53.80 | 61.29 | 73.53 | 81.87 | 83.17 | a | 75.73 | 61.74 | 30.87 | 22.32 | 51.37 | |||||||||||
1939 | 19.87 | 6.18 | 31.32 | 55.00 | a | 73.93 | a | 70.03 | 86.35 | 84.48 | 73.10 | 49.32 | 46.53 | 35.42 | 52.63 | |||||||||||
1940 | 13.67 | a | 21.48 | 28.19 | 46.03 | 67.61 | 75.50 | 83.00 | 78.80 | a | 76.10 | 61.65 | 28.90 | 25.59 | b | 50.54 | ||||||||||
1941 | 17.13 | 17.93 | a | 31.69 | b | 54.15 | d | 69.77 | 75.37 | 84.94 | 79.84 | 69.03 | 57.16 | 37.55 | a | 29.87 | 52.04 | |||||||||
1942 | 26.10 | a | 20.36 | 37.61 | 56.97 | 63.97 | 76.27 | 80.74 | 80.61 | 68.83 | 63.10 | a | 39.03 | 22.20 | a | 52.98 | ||||||||||
1943 | 11.67 | d | 23.21 | 27.90 | 59.53 | 64.10 | 72.07 | a | 84.60 | a | 82.77 | 72.17 | 66.94 | 38.21 | a | 32.87 | 53.00 | |||||||||
1944 | 32.21 | b | 21.62 | 26.37 | a | 54.07 | 71.87 | ----- | z | 82.00 | 79.00 | 69.77 | ----- | z | ----- | z | ----- | z | 54.61 | d | ||||||
1945 | 19.48 | 23.00 | a | 44.84 | 48.43 | 63.39 | 73.33 | 82.90 | 83.32 | 67.14 | a | 58.06 | 27.43 | 16.83 | a | 50.68 | ||||||||||
1946 | 17.52 | b | 17.85 | a | 41.19 | 60.07 | 65.29 | 77.47 | 85.26 | 80.17 | a | 70.03 | 52.13 | a | 30.13 | 19.23 | 51.36 | |||||||||
1947 | 23.60 | a | 16.24 | c | 29.67 | a | 52.17 | ----- | z | 71.07 | 85.32 | 84.26 | 67.10 | 63.13 | 27.53 | 19.71 | 49.07 | a | ||||||||
1948 | ----- | z | ----- | z | 37.15 | r | 47.40 | 69.61 | 74.60 | 79.52 | 80.13 | 76.40 | 59.70 | d | 33.00 | 15.13 | 59.50 | c | ||||||||
1949 | 9.48 | 8.67 | a | ----- | z | 56.13 | g | 67.17 | b | 74.13 | 81.81 | 84.43 | a | 68.70 | 51.80 | a | 43.32 | b | 14.77 | 50.43 | b | |||||
1950 | -6.00 | b | 15.67 | a | 26.97 | a | 40.61 | b | 57.84 | 73.00 | c | 78.03 | b | 75.32 | 68.37 | 56.59 | b | 27.43 | b | 13.41 | b | 43.94 | ||||
1951 | 6.93 | c | 15.29 | 21.26 | 47.97 | a | 70.93 | a | 70.33 | 83.28 | b | 72.45 | 61.23 | 48.14 | c | 27.62 | a | 11.03 | 44.71 | |||||||
1952 | 9.74 | 25.03 | 27.42 | 66.07 | b | 68.83 | a | 75.70 | 79.87 | 78.61 | 72.97 | 53.94 | 38.77 | 24.97 | 51.83 | |||||||||||
1953 | 18.29 | 25.36 | 32.81 | 45.00 | 63.94 | 73.23 | 79.58 | 81.81 | 68.30 | 64.53 | a | 41.80 | 25.00 | 51.64 | ||||||||||||
1954 | 5.19 | 33.89 | 32.23 | a | 47.83 | 60.94 | 71.43 | 79.63 | a | 75.61 | 62.70 | 52.90 | 42.17 | 29.68 | 49.52 | |||||||||||
1955 | 14.74 | 14.88 | b | 22.50 | a | 57.73 | 67.13 | 73.67 | 82.87 | 83.87 | a | 68.30 | 57.55 | 22.07 | b | 10.19 | 47.96 | |||||||||
1956 | 13.17 | b | 13.55 | 25.10 | 40.87 | 63.81 | 79.30 | 77.26 | 78.52 | 63.97 | 59.84 | 34.60 | 20.81 | 47.57 | ||||||||||||
1957 | 8.00 | b | 19.00 | 33.67 | a | 49.13 | 68.06 | 72.03 | 86.65 | 75.74 | 64.76 | a | 52.57 | a | 34.76 | a | 28.07 | a | 49.37 | |||||||
1958 | 22.68 | 16.64 | 35.23 | 56.53 | 72.37 | a | 73.77 | 76.55 | 78.45 | 68.43 | 58.52 | 33.47 | 14.37 | a | 50.58 | |||||||||||
1959 | 6.87 | a | 13.93 | 38.81 | 52.63 | 61.39 | 78.47 | 82.45 | 81.94 | 64.76 | a | 43.03 | 25.90 | 27.45 | 48.13 | |||||||||||
1960 | 11.19 | 15.69 | 22.84 | 48.10 | 66.42 | 73.70 | 86.58 | 80.65 | 74.03 | 57.68 | 34.20 | 21.50 | a | 49.38 | ||||||||||||
1961 | 16.20 | a | 22.89 | a | 36.68 | 46.77 | 66.61 | 84.23 | 81.87 | 89.23 | 63.97 | 56.58 | 37.77 | 13.06 | 51.32 | |||||||||||
1962 | 14.33 | a | 11.57 | 26.48 | 50.80 | 59.61 | 75.50 | 78.20 | a | 81.06 | 68.50 | b | 60.03 | a | 40.33 | 23.69 | b | 49.18 | ||||||||
1963 | 8.80 | a | 20.78 | a | 43.10 | 51.63 | 65.61 | 77.30 | 83.71 | 80.39 | 74.53 | 67.84 | 40.93 | 14.81 | 52.45 | |||||||||||
1964 | 21.70 | a | 27.14 | 27.74 | 54.33 | 69.35 | 72.57 | 81.29 | 74.10 | 64.10 | 56.45 | 32.57 | 7.77 | 49.09 | ||||||||||||
1965 | 8.29 | 17.89 | 23.55 | 48.43 | 63.94 | 73.87 | 78.61 | 77.74 | 56.97 | 58.38 | b | 32.17 | 23.32 | 46.93 | ||||||||||||
1966 | 0.26 | 14.79 | 36.03 | 45.00 | 63.06 | 76.80 | 83.16 | 75.71 | 72.33 | 54.32 | 26.00 | 18.10 | 47.13 | |||||||||||||
1967 | 19.17 | a | 14.38 | b | 29.82 | c | 46.63 | 60.87 | 74.90 | 81.39 | 82.87 | 73.83 | 51.90 | 34.43 | 19.97 | 49.18 | ||||||||||
1968 | 11.29 | 17.69 | 40.94 | 53.27 | 61.55 | 72.59 | a | 79.87 | a | 73.45 | 67.17 | 54.03 | 34.93 | 15.59 | b | 48.53 | ||||||||||
1969 | 4.87 | 17.07 | 23.37 | a | 51.67 | 67.68 | 68.30 | 77.74 | 85.42 | 69.70 | 46.45 | 38.60 | 23.94 | 47.90 | ||||||||||||
1970 | 9.06 | 21.75 | 25.67 | a | 44.14 | a | 62.32 | 80.43 | 83.39 | 82.57 | a | 68.43 | ----- | z | 32.00 | 20.00 | a | 48.16 | a | |||||||
1971 | 4.65 | 21.52 | c | 30.48 | 52.40 | 67.32 | 75.27 | 75.48 | 83.74 | 67.63 | 54.92 | g | 30.46 | b | 19.07 | b | 48.00 | a | ||||||||
1972 | 10.58 | 13.10 | 30.61 | 48.17 | 72.00 | 79.80 | 76.90 | 82.87 | a | 65.53 | 50.61 | 29.90 | 11.77 | 47.65 | ||||||||||||
1973 | 22.90 | 27.57 | 44.19 | 52.33 | 68.45 | 77.63 | 79.90 | 84.77 | 68.07 | 60.93 | a | 26.17 | 14.57 | a | 52.29 | |||||||||||
1974 | 7.06 | 18.21 | 28.00 | 48.07 | 58.42 | 78.83 | 86.16 | 76.37 | a | 67.43 | 60.66 | b | ----- | z | ----- | z | 52.92 | b | ||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | 1.93 | a | 10.12 | c | 19.36 | q | 52.32 | h | ----- | z | 75.03 | 80.96 | g | 78.88 | e | 71.93 | 55.97 | 30.30 | 14.56 | f | 46.31 | e | ||||
1979 | 6.68 | f | 3.61 | 24.89 | m | 35.96 | e | 55.03 | b | 74.27 | 79.66 | b | 76.17 | a | 70.92 | f | 53.40 | a | 32.34 | a | 26.52 | f | 51.30 | d | ||
1980 | 13.48 | 16.00 | a | 26.75 | c | 61.91 | g | 77.23 | e | 73.96 | e | 81.83 | a | 73.85 | d | 63.96 | b | 50.23 | 39.40 | e | 20.32 | c | 48.82 | a | ||
1981 | 21.39 | 23.50 | 40.90 | ----- | z | 67.00 | m | 71.00 | f | 78.04 | f | 79.91 | i | ----- | z | ----- | z | ----- | z | ----- | z | 28.60 | i | |||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.12 | 18.00 | 31.75 | 50.53 | 65.78 | 74.83 | 81.51 | 80.15 | 68.62 | 56.28 | 33.73 | 20.12 | 49.70 | |||||||||||||
S.D. | 7.73 | 5.93 | 6.81 | 5.88 | 4.71 | 3.11 | 2.95 | 3.83 | 4.23 | 5.58 | 5.66 | 6.48 | 2.36 | |||||||||||||
SKEW | 0.06 | 0.06 | 0.45 | 0.08 | 0.06 | 0.63 | -0.02 | -0.12 | -0.23 | -0.08 | 0.19 | 0.32 | -0.55 | |||||||||||||
MAX | 32.21 | 33.89 | 44.84 | 66.07 | 77.23 | 84.23 | 86.65 | 89.23 | 76.40 | 67.84 | 46.53 | 35.42 | 53.00 | |||||||||||||
MIN | -6.00 | 3.61 | 21.26 | 35.96 | 55.03 | 68.30 | 75.48 | 72.45 | 56.97 | 43.03 | 22.07 | 7.77 | 43.94 | |||||||||||||
YRS | 39 | 40 | 37 | 37 | 39 | 40 | 40 | 41 | 40 | 38 | 39 | 37 | 30 |