YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.74 | 2.74 | k | |
1963 | -11.06 | -5.61 | 16.45 | 30.93 | 39.48 | 56.90 | 59.10 | 54.97 | 46.40 | 42.90 | 21.13 | -4.29 | 28.94 | |||||||||||||
1964 | 0.42 | 1.03 | 3.55 | 31.27 | 44.48 | 51.33 | 58.97 | 50.90 | 41.00 | 33.45 | 18.30 | -6.55 | 27.35 | |||||||||||||
1965 | -12.06 | -6.54 | 1.97 | 30.60 | 40.87 | 50.97 | 53.94 | 51.74 | 37.20 | 34.55 | 12.73 | 8.42 | 25.37 | |||||||||||||
1966 | -21.97 | -8.14 | 16.20 | a | 26.63 | 36.94 | 52.83 | 58.77 | 54.43 | a | 45.70 | 32.71 | 10.60 | -2.10 | 25.22 | |||||||||||
1967 | -5.32 | -13.07 | 11.10 | 26.60 | 36.90 | 47.87 | 51.87 | 49.06 | 45.67 | 31.68 | 17.33 | 2.87 | 25.21 | |||||||||||||
1968 | -10.58 | -9.62 | 14.68 | 27.73 | 37.55 | 48.60 | 52.84 | 51.29 | 44.70 | 32.48 | 20.60 | -0.90 | 25.78 | |||||||||||||
1969 | -13.87 | -1.04 | 5.10 | 29.83 | 37.13 | 41.21 | a | 51.42 | 54.84 | 42.40 | 28.94 | 17.97 | 4.48 | 24.87 | ||||||||||||
1970 | -12.45 | -10.00 | -2.90 | 24.43 | b | 39.36 | c | 54.77 | 56.16 | 48.74 | 43.63 | 33.84 | 16.73 | -6.74 | 23.80 | |||||||||||
1971 | -16.97 | -1.11 | 11.84 | 29.03 | 38.29 | 51.47 | 48.74 | 51.16 | 41.43 | 35.35 | 17.67 | -0.23 | a | 25.56 | ||||||||||||
1972 | -15.32 | -13.10 | 8.90 | 27.80 | 44.94 | 47.40 | 48.84 | 49.32 | 38.10 | 28.19 | 16.30 | -8.16 | 22.77 | |||||||||||||
1973 | -3.60 | a | -1.54 | 24.84 | 24.63 | 35.19 | 48.63 | 49.97 | 53.48 | 38.93 | 36.94 | 14.27 | -0.61 | 26.76 | ||||||||||||
1974 | -13.74 | -7.14 | 4.81 | 26.86 | a | 37.74 | 48.80 | 55.97 | 48.84 | 34.70 | 28.87 | 19.23 | 8.48 | 24.45 | ||||||||||||
1975 | -4.39 | -5.00 | 5.00 | 24.57 | 40.00 | 48.57 | 57.74 | 49.48 | 38.43 | 34.65 | 20.17 | -1.42 | 25.65 | |||||||||||||
1976 | -7.90 | 5.17 | 7.48 | 32.37 | 39.23 | 54.70 | 53.94 | 54.23 | 41.13 | 27.00 | 11.50 | -10.00 | a | 25.74 | ||||||||||||
1977 | -14.74 | 2.77 | b | 20.97 | a | 33.17 | 52.32 | 52.47 | 56.35 | 44.94 | 44.70 | 32.77 | 13.63 | -6.93 | b | 27.70 | ||||||||||
1978 | -14.71 | -9.82 | 7.52 | 28.73 | 45.26 | 47.17 | a | 52.74 | 49.84 | 45.10 | 30.74 | 5.83 | -11.29 | 23.09 | ||||||||||||
1979 | -23.77 | -12.14 | 9.29 | 23.76 | a | 38.10 | a | 48.72 | e | 56.35 | h | 50.39 | 42.67 | c | ----- | z | 15.59 | a | 8.94 | 20.15 | b | |||||
1980 | -8.00 | -3.55 | 5.73 | a | ----- | z | ----- | z | ----- | z | 54.26 | ----- | z | 42.96 | d | 31.48 | b | 21.89 | c | -3.24 | b | 17.69 | d | |||
1981 | -3.68 | c | 7.52 | a | 20.43 | a | 29.96 | c | 40.69 | b | 48.43 | 56.40 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.54 | e | |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.27 | d | 53.97 | 48.30 | a | 39.83 | a | 33.42 | 12.32 | h | 6.57 | a | 37.73 | f | ||
1983 | 0.38 | b | 8.04 | c | 20.87 | a | 28.47 | 37.00 | b | 52.44 | c | 61.17 | a | 58.20 | f | 44.39 | b | ----- | z | ----- | z | ----- | z | 31.59 | d | |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.07 | d | 14.14 | i | ----- | z | 33.07 | k |
1986 | ----- | z | -0.78 | e | 17.90 | b | 32.97 | 47.33 | a | 54.04 | c | 51.79 | b | 46.93 | a | 44.96 | d | 32.10 | 8.29 | b | 5.68 | f | 33.55 | b | ||
1987 | 8.61 | h | 14.59 | a | 19.00 | 35.92 | e | 46.00 | b | 53.60 | e | 54.44 | d | 52.55 | 45.96 | d | 28.10 | a | 22.89 | b | 12.58 | 35.06 | a | |||
1988 | -11.31 | e | -10.50 | c | 16.20 | f | 29.23 | 47.50 | a | 59.14 | a | 58.74 | 61.18 | n | ----- | z | 28.35 | 17.32 | b | 0.57 | a | 24.34 | c | |||
1989 | -1.11 | l | ----- | z | ----- | z | ----- | z | ----- | z | 50.11 | b | 59.87 | a | 52.84 | 44.52 | a | 32.87 | 11.80 | -9.87 | 34.59 | e | ||||
1990 | 3.86 | b | -1.04 | a | 19.34 | b | 35.69 | a | 39.14 | b | 53.73 | 56.13 | 54.59 | b | 45.39 | b | 28.42 | 17.45 | a | -4.55 | 29.01 | |||||
1991 | -10.90 | a | 6.17 | d | 16.89 | d | 34.14 | a | 46.97 | a | 56.60 | 57.68 | 57.52 | 44.24 | a | 28.19 | 10.38 | a | -0.31 | r | 31.62 | a | ||||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.86 | b | 30.87 | 19.79 | a | ----- | z | 30.51 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -10.07 | -2.98 | 11.96 | 29.39 | 41.18 | 50.95 | 55.07 | 51.32 | 42.50 | 32.00 | 15.98 | -0.89 | 25.72 | |||||||||||||
S.D. | 6.90 | 7.39 | 7.35 | 3.49 | 4.50 | 4.02 | 3.43 | 3.01 | 3.12 | 3.44 | 4.43 | 6.68 | 1.79 | |||||||||||||
SKEW | 0.11 | 0.53 | -0.10 | 0.20 | 0.80 | -0.19 | -0.17 | 0.00 | -0.79 | 1.05 | -0.52 | 0.30 | 0.32 | |||||||||||||
MAX | 3.86 | 14.59 | 24.84 | 35.92 | 52.32 | 59.14 | 61.17 | 57.52 | 46.40 | 42.90 | 22.89 | 12.58 | 29.01 | |||||||||||||
MIN | -23.77 | -13.10 | -2.90 | 23.76 | 35.19 | 41.21 | 48.74 | 44.94 | 34.70 | 27.00 | 5.83 | -11.29 | 22.77 | |||||||||||||
YRS | 23 | 25 | 24 | 24 | 24 | 26 | 26 | 23 | 26 | 26 | 25 | 24 | 17 |