YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.33 | r | 67.32 | 41.67 | 14.52 | 41.17 | i | |||
1964 | 23.81 | 26.45 | 30.81 | 55.27 | 70.61 | 73.20 | 81.13 | 72.52 | 64.48 | a | 55.19 | 36.17 | 13.29 | 50.24 | ||||||||||||
1965 | 12.06 | 17.93 | 25.39 | 48.93 | 65.07 | a | 73.70 | 75.16 | 75.81 | 56.83 | 55.74 | 33.31 | a | 27.71 | 47.30 | |||||||||||
1966 | 4.40 | a | 19.11 | 38.19 | 44.53 | 60.80 | a | 75.77 | 81.16 | 74.84 | 68.20 | 54.19 | 31.24 | a | 19.71 | 47.68 | ||||||||||
1967 | 17.47 | a | 17.14 | 35.00 | 47.93 | 59.81 | 72.40 | 77.73 | a | 76.68 | 72.27 | 52.32 | 34.47 | 21.81 | 48.75 | |||||||||||
1968 | 17.13 | 18.38 | 43.13 | 53.57 | 62.10 | 72.24 | a | 77.19 | 73.59 | b | ----- | z | 54.95 | j | 34.87 | 18.10 | 47.03 | b | ||||||||
1969 | 10.86 | b | 20.57 | n | 31.13 | 54.70 | c | 65.74 | 66.60 | 77.55 | 80.81 | 66.40 | 46.00 | 36.97 | 23.03 | a | 50.89 | a | ||||||||
1970 | 10.06 | 18.68 | 29.32 | 45.86 | b | 60.19 | 77.21 | b | 82.21 | g | 78.21 | c | 66.00 | c | 53.19 | 33.20 | 16.37 | a | 44.39 | a | ||||||
1971 | 6.81 | 22.89 | 32.42 | 51.53 | 63.68 | 77.55 | a | 74.19 | 77.13 | 67.90 | 55.55 | 32.90 | 20.26 | 48.57 | ||||||||||||
1972 | 9.14 | b | 15.04 | b | 31.90 | 48.18 | b | 71.48 | 75.63 | 73.90 | 78.90 | a | 63.27 | 50.06 | 31.13 | 14.52 | 46.93 | |||||||||
1973 | 22.16 | 24.57 | 44.97 | 51.63 | 65.32 | 74.93 | a | 77.23 | a | 80.10 | 64.72 | a | 58.19 | 32.34 | a | 18.55 | 51.23 | |||||||||
1974 | 11.71 | 23.39 | 30.32 | 50.50 | 58.45 | 74.60 | 82.06 | 72.26 | 62.30 | 56.58 | 35.87 | 27.30 | a | 48.78 | ||||||||||||
1975 | 19.65 | 21.46 | 28.84 | 45.30 | 68.90 | 73.43 | 81.81 | 74.26 | 63.60 | 56.17 | b | 39.67 | 19.39 | 49.37 | ||||||||||||
1976 | 14.84 | 30.07 | 32.32 | 57.93 | 67.97 | 77.77 | 80.90 | 80.06 | 70.47 | 49.13 | 31.73 | 12.42 | 50.47 | |||||||||||||
1977 | 6.61 | 25.68 | 41.94 | 59.67 | 76.94 | 74.63 | 80.77 | 70.39 | 63.38 | a | 56.71 | 33.11 | c | 14.06 | 50.32 | |||||||||||
1978 | 9.35 | 17.64 | 34.42 | 49.93 | 70.61 | 75.31 | d | 77.32 | 77.29 | 69.13 | 55.77 | 31.67 | 14.61 | 48.59 | ||||||||||||
1979 | 5.81 | 12.57 | 32.32 | 45.97 | 57.61 | 72.93 | 78.97 | 73.00 | 69.80 | 50.06 | 32.30 | 28.42 | 46.65 | |||||||||||||
1980 | 17.16 | 19.45 | 32.39 | 59.03 | 73.48 | 74.10 | 81.06 | 74.42 | 65.13 | 49.45 | 36.70 | 17.26 | 49.97 | |||||||||||||
1981 | 21.00 | 26.75 | 41.94 | 53.73 | 66.65 | 71.53 | 79.94 | 76.84 | 65.73 | 51.74 | 42.87 | 18.94 | 51.47 | |||||||||||||
1982 | 3.52 | b | 19.00 | c | 30.68 | 50.97 | a | 69.41 | b | 68.13 | 79.77 | 74.48 | 65.53 | 53.39 | 31.37 | 27.20 | a | 47.79 | ||||||||
1983 | 22.23 | 28.00 | a | 36.52 | 50.20 | 63.80 | a | 74.43 | 82.29 | 82.97 | b | 67.61 | b | 52.61 | 34.17 | 7.76 | b | 50.21 | ||||||||
1984 | 15.68 | c | 34.65 | c | 31.52 | 57.21 | a | 63.77 | 74.60 | 78.87 | 80.87 | ----- | z | ----- | z | ----- | z | ----- | z | 54.65 | d | |||||
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.23 | 64.03 | a | 52.27 | a | ----- | z | ----- | z | 63.51 | i | |
1987 | ----- | z | 31.50 | 37.94 | 64.10 | ----- | z | ----- | z | ----- | z | 71.89 | l | 68.04 | b | ----- | z | 39.66 | a | 24.86 | c | 44.35 | f | |||
1988 | 12.21 | b | 16.86 | ----- | z | 54.93 | 71.77 | a | 81.41 | a | 82.06 | 77.70 | a | 65.00 | d | 50.55 | 32.83 | a | 19.30 | a | 51.33 | a | ||||
1989 | 18.87 | 10.18 | 28.81 | 46.87 | 67.65 | 72.57 | 81.52 | ----- | z | ----- | z | 57.31 | e | 30.43 | b | 10.79 | b | 42.50 | b | |||||||
1990 | ----- | z | 23.25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.25 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.59 | 21.69 | 34.01 | 52.02 | 66.17 | 74.12 | 79.21 | 76.41 | 65.90 | 53.89 | 34.61 | 18.76 | 49.08 | |||||||||||||
S.D. | 6.12 | 6.00 | 5.15 | 5.12 | 5.07 | 3.06 | 2.59 | 3.23 | 3.28 | 4.26 | 3.45 | 5.61 | 1.49 | |||||||||||||
SKEW | 0.02 | 0.26 | 0.68 | 0.50 | 0.14 | -0.25 | -0.66 | 0.18 | -0.51 | 1.06 | 0.99 | 0.15 | -0.06 | |||||||||||||
MAX | 23.81 | 34.65 | 44.97 | 64.10 | 76.94 | 81.41 | 82.29 | 82.97 | 72.27 | 67.32 | 42.87 | 28.42 | 51.47 | |||||||||||||
MIN | 3.52 | 10.18 | 25.39 | 44.53 | 57.61 | 66.60 | 73.90 | 70.39 | 56.83 | 46.00 | 30.43 | 7.76 | 46.65 | |||||||||||||
YRS | 23 | 24 | 23 | 24 | 23 | 23 | 22 | 23 | 22 | 23 | 24 | 24 | 17 |