YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | ----- | z | ----- | z | 32.84 | n | 47.13 | 52.30 | 60.12 | a | 60.85 | 47.62 | a | 36.52 | c | 30.07 | 27.50 | 45.26 | d | |||||
1971 | 23.58 | a | 23.33 | a | 27.74 | b | 35.98 | 41.45 | 53.80 | 58.58 | a | 58.23 | 46.67 | 39.05 | 31.27 | 23.05 | 38.56 | |||||||||
1972 | 22.09 | b | 28.19 | 35.06 | 37.58 | 43.74 | 55.27 | 57.62 | a | 55.82 | 49.55 | 40.87 | 23.83 | 20.97 | 39.22 | |||||||||||
1973 | 21.23 | 24.34 | 28.18 | i | 32.39 | h | 42.37 | 53.28 | a | 56.03 | 57.69 | 46.63 | 41.11 | 31.76 | a | 24.22 | a | 39.87 | b | |||||||
1974 | 18.40 | 22.39 | 29.68 | a | 33.29 | a | 45.39 | 52.22 | 56.73 | 52.58 | 44.29 | a | 39.52 | 28.62 | a | 18.02 | 36.76 | |||||||||
1975 | 18.06 | 16.93 | a | 24.16 | c | ----- | z | 37.79 | 47.22 | 54.90 | 53.45 | 48.73 | 43.22 | a | 29.48 | 29.18 | a | 36.65 | a | |||||||
1976 | 24.42 | 30.21 | a | 27.89 | 36.60 | a | 42.45 | 51.29 | a | 58.85 | a | 55.21 | 47.40 | 35.58 | a | 28.62 | 25.63 | a | 38.68 | |||||||
1977 | 20.38 | b | 25.05 | 25.57 | a | 34.38 | 42.71 | 57.73 | 60.45 | 57.74 | 52.98 | a | 43.33 | a | 31.87 | c | 27.55 | 39.98 | ||||||||
1978 | 22.94 | 25.77 | 30.02 | e | ----- | z | 47.25 | m | 52.63 | 58.81 | 53.79 | 49.13 | 39.02 | 29.12 | a | 15.92 | a | 37.71 | b | |||||||
1979 | 11.55 | 25.09 | 28.14 | b | 34.53 | 39.85 | 49.82 | 59.65 | a | 56.74 | 53.32 | 44.03 | a | 24.98 | 26.84 | 37.88 | ||||||||||
1980 | 21.47 | 28.09 | 27.56 | 33.72 | a | 42.61 | 56.13 | 62.16 | 58.10 | 52.50 | 40.95 | a | 33.28 | 36.90 | a | 41.12 | ||||||||||
1981 | 29.76 | 29.18 | 28.79 | 42.59 | a | 43.13 | 56.77 | 59.94 | 56.74 | 53.17 | 40.63 | a | 34.47 | 27.42 | 41.88 | |||||||||||
1982 | 22.06 | e | 23.85 | e | 30.69 | d | 35.83 | d | 42.91 | c | 49.28 | 58.76 | 60.48 | 50.62 | a | 39.69 | e | 30.12 | e | 25.30 | d | 39.13 | ||||
1983 | 28.36 | f | 26.62 | c | 28.10 | a | 29.03 | 39.64 | b | 49.73 | 60.30 | a | 60.97 | 54.98 | b | 45.00 | a | 31.98 | d | 17.28 | f | 42.64 | b | |||
1984 | 23.44 | d | 27.38 | c | 28.26 | d | 31.68 | b | 47.28 | b | 53.10 | 61.24 | 58.56 | g | 48.94 | e | 34.98 | c | 33.56 | e | 28.23 | a | 38.01 | a | ||
1985 | 18.25 | c | 22.93 | g | 30.74 | b | 39.07 | c | 46.89 | 54.00 | c | 59.42 | 58.66 | c | 47.79 | a | 41.07 | c | 28.98 | e | 24.96 | d | 40.89 | a | ||
1986 | 33.18 | f | 36.14 | q | 35.95 | b | 38.20 | b | 43.37 | 55.15 | 59.61 | 59.16 | b | 47.98 | 39.31 | 33.02 | d | 25.07 | d | 43.68 | b | |||||
1987 | 22.96 | g | 25.31 | a | 26.36 | m | 38.92 | d | 45.95 | b | 55.33 | 58.69 | 56.79 | 50.70 | 43.56 | e | 33.48 | a | 21.10 | f | 45.42 | c | ||||
1988 | 19.90 | g | 26.96 | d | 27.04 | f | 38.80 | c | 47.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.70 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.26 | 25.54 | 29.22 | 36.01 | 43.45 | 53.06 | 58.99 | 57.24 | 49.61 | 40.41 | 30.47 | 25.42 | 39.25 | |||||||||||||
S.D. | 4.10 | 3.15 | 3.09 | 3.40 | 2.79 | 2.82 | 1.80 | 2.50 | 2.86 | 2.83 | 2.89 | 4.77 | 1.58 | |||||||||||||
SKEW | -0.38 | -1.09 | 0.80 | -0.17 | -0.18 | -0.31 | -0.60 | -0.26 | 0.21 | -0.31 | -0.78 | 0.16 | 0.23 | |||||||||||||
MAX | 29.76 | 30.21 | 35.95 | 42.59 | 47.35 | 57.73 | 62.16 | 60.97 | 54.98 | 45.00 | 34.47 | 36.90 | 41.88 | |||||||||||||
MIN | 11.55 | 16.93 | 24.16 | 29.03 | 37.79 | 47.22 | 54.90 | 52.58 | 44.29 | 34.98 | 23.83 | 15.92 | 36.76 | |||||||||||||
YRS | 14 | 16 | 15 | 15 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 16 | 9 |