YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.00 | r | 52.89 | 31.84 | a | 2.87 | 29.20 | i | ||
1964 | 10.70 | a | 11.16 | 15.61 | 40.23 | 55.66 | 60.58 | 67.44 | 60.13 | 51.64 | a | 43.08 | 27.15 | 2.56 | 37.16 | |||||||||||
1965 | -2.39 | 3.64 | 11.18 | 38.93 | 52.18 | a | 60.18 | 63.23 | 61.24 | 46.62 | 44.37 | 23.45 | a | 18.13 | 35.06 | |||||||||||
1966 | -9.50 | a | 1.88 | 26.90 | 35.57 | 47.70 | a | 62.36 | a | 68.42 | 62.71 | 54.87 | 42.07 | a | 21.36 | a | 8.20 | a | 35.21 | |||||||
1967 | 5.45 | a | -0.59 | 21.05 | 36.48 | 45.98 | 60.03 | 64.23 | a | 61.18 | 56.80 | 41.10 | 25.07 | 10.77 | 35.63 | |||||||||||
1968 | 3.34 | 3.79 | 29.05 | 40.22 | 49.84 | 60.17 | a | 64.32 | 61.83 | b | ----- | z | 44.76 | j | 28.29 | a | 7.65 | a | 34.85 | b | ||||||
1969 | -1.12 | b | 6.36 | n | 16.20 | a | 42.39 | c | 52.66 | 54.23 | 64.33 | a | 66.90 | a | 54.42 | d | 37.97 | 27.53 | a | 15.00 | b | 39.14 | a | |||
1970 | -2.13 | 4.36 | 14.21 | 35.54 | c | 48.52 | a | 64.30 | b | 68.72 | h | 62.86 | c | 53.57 | c | 43.35 | 24.30 | 3.70 | a | 32.05 | a | |||||
1971 | -6.81 | 8.57 | a | 20.82 | 39.26 | a | 49.79 | 65.00 | b | 61.69 | 62.63 | 54.98 | 46.37 | 25.57 | 9.35 | 36.44 | ||||||||||
1972 | -4.00 | b | 1.44 | b | 19.60 | 36.29 | b | 58.03 | 60.95 | 61.77 | 65.32 | a | 51.32 | 40.08 | 25.50 | 4.35 | 35.05 | |||||||||
1973 | 9.37 | 11.71 | 34.89 | 39.30 | 51.81 | 61.69 | a | 64.05 | a | 67.77 | 53.47 | a | 48.52 | 24.60 | a | 9.35 | 39.71 | |||||||||
1974 | -0.84 | 7.86 | 17.74 | 39.30 | 47.97 | 61.60 | 68.85 | 60.84 | 49.67 | 44.50 | 27.88 | 17.87 | a | 36.94 | ||||||||||||
1975 | 7.55 | 7.95 | 15.71 | 34.10 | 55.21 | 61.45 | 69.55 | 62.44 | 51.37 | 45.36 | b | 29.23 | 7.98 | 37.32 | ||||||||||||
1976 | 2.47 | 16.86 | 18.68 | 44.25 | 51.63 | 64.12 | 65.97 | 65.39 | 54.63 | 37.40 | 21.18 | -0.56 | 36.83 | |||||||||||||
1977 | -4.55 | 13.29 | 30.00 | 44.67 | 62.40 | 62.33 | 67.29 | 57.37 | 53.81 | a | 45.05 | 22.76 | c | 4.44 | 38.24 | |||||||||||
1978 | -1.29 | 3.80 | a | 20.39 | 39.17 | 57.18 | 61.50 | d | 65.81 | 64.79 | 57.73 | 44.73 | 21.03 | 1.18 | 36.33 | |||||||||||
1979 | -7.92 | 0.25 | 21.74 | 35.07 | 46.85 | 59.40 | 66.56 | 60.65 | 56.58 | 39.92 | 24.25 | 18.53 | 35.16 | |||||||||||||
1980 | 5.31 | 7.24 | 16.76 | 44.62 | 56.87 | 60.37 | 66.66 | 62.32 | 52.70 | 39.23 | a | 27.90 | 6.35 | 37.19 | ||||||||||||
1981 | 7.58 | 15.75 | 30.11 | 41.45 | 52.18 | 60.07 | 67.40 | 64.98 | 54.02 | 42.35 | 34.72 | 9.71 | 40.03 | |||||||||||||
1982 | -9.72 | b | 7.56 | c | 18.98 | 37.84 | a | 57.33 | b | 55.93 | 67.47 | 61.74 | 54.28 | 45.19 | 23.03 | a | 17.85 | a | 36.46 | |||||||
1983 | 12.87 | 18.57 | a | 28.52 | 38.13 | 49.25 | a | 61.83 | 69.94 | 68.91 | b | 56.32 | b | 43.18 | 29.36 | b | -2.85 | e | 39.50 | |||||||
1984 | 4.13 | d | 23.64 | d | 19.69 | 43.66 | a | 48.53 | 62.91 | a | 65.92 | a | 67.27 | a | ----- | z | ----- | z | ----- | z | ----- | z | 41.97 | d | ||
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.02 | 52.33 | a | 40.05 | c | ----- | z | ----- | z | 50.80 | i | |
1987 | ----- | z | 22.62 | 27.02 | a | 47.37 | ----- | z | ----- | z | ----- | z | 57.84 | o | 54.59 | c | ----- | z | 29.31 | c | 16.39 | d | 32.88 | f | ||
1988 | 0.55 | b | 2.28 | ----- | z | 39.19 | d | 57.37 | a | 66.43 | a | 67.87 | a | 64.91 | c | 52.60 | f | 38.07 | a | 24.59 | b | 8.62 | a | 36.99 | b | |
1989 | 5.36 | b | -4.15 | a | 17.68 | a | 35.05 | 54.10 | a | 59.43 | b | 69.52 | ----- | z | ----- | z | 41.62 | e | 20.14 | e | -0.32 | c | 29.84 | b | ||
1990 | ----- | z | 8.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.61 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.06 | 8.25 | 21.41 | 39.50 | 52.57 | 61.17 | 66.29 | 63.23 | 53.61 | 42.89 | 25.84 | 8.21 | 36.96 | |||||||||||||
S.D. | 6.47 | 7.29 | 6.11 | 3.56 | 4.33 | 2.65 | 2.40 | 2.87 | 2.56 | 3.63 | 3.61 | 6.43 | 1.61 | |||||||||||||
SKEW | -0.02 | 0.54 | 0.54 | 0.44 | 0.38 | -0.56 | -0.35 | 0.21 | -0.85 | 0.73 | 0.49 | 0.20 | 0.63 | |||||||||||||
MAX | 12.87 | 23.64 | 34.89 | 47.37 | 62.40 | 66.43 | 69.94 | 68.91 | 57.73 | 52.89 | 34.72 | 18.53 | 40.03 | |||||||||||||
MIN | -9.72 | -4.15 | 11.18 | 34.10 | 45.98 | 54.23 | 61.69 | 57.37 | 46.62 | 37.40 | 20.14 | -2.85 | 35.05 | |||||||||||||
YRS | 23 | 24 | 23 | 24 | 23 | 23 | 22 | 23 | 21 | 23 | 24 | 24 | 17 |