YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.74 | j | 37.62 | 36.44 | 37.03 | j | ||
1974 | ----- | z | 36.55 | 40.59 | b | 45.25 | 49.97 | 63.84 | a | 65.02 | 65.05 | 59.43 | a | 48.03 | 39.64 | a | 31.58 | 49.54 | a | |||||||
1975 | 29.21 | c | 30.91 | a | 36.76 | 39.47 | 50.23 | a | 56.93 | 67.85 | 62.73 | 58.40 | 48.63 | 37.66 | a | 34.92 | 46.14 | |||||||||
1976 | 31.58 | a | 33.24 | 35.95 | 43.93 | a | 53.75 | a | 55.93 | 65.20 | a | 59.45 | 60.24 | a | 49.07 | a | 40.53 | a | 32.66 | 46.80 | ||||||
1977 | 23.63 | a | 37.59 | a | 36.34 | 48.67 | 47.94 | 63.50 | a | 64.19 | 68.24 | 55.68 | 48.52 | 39.37 | c | 36.20 | c | 47.49 | ||||||||
1978 | 35.61 | 38.50 | a | 45.23 | 45.50 | 50.27 | 59.95 | 66.13 | 63.29 | 56.64 | b | 49.03 | 32.37 | 24.55 | 47.26 | |||||||||||
1979 | 16.32 | a | 34.96 | a | 41.48 | 45.83 | 53.85 | 60.72 | a | 66.58 | 65.58 | 60.70 | 50.43 | a | 34.38 | 37.13 | a | 47.33 | ||||||||
1980 | ----- | z | 38.43 | 38.11 | 49.15 | 53.27 | 55.88 | a | 65.58 | 61.13 | 58.67 | 49.35 | a | 39.00 | 36.74 | 49.57 | a | |||||||||
1981 | 35.71 | 36.29 | 40.70 | d | 46.73 | b | 50.66 | 57.18 | 63.23 | a | 66.66 | 57.63 | 45.56 | 41.93 | a | 35.13 | 48.12 | |||||||||
1982 | 29.36 | c | 31.00 | b | 38.86 | c | 41.93 | b | 50.03 | b | 62.39 | c | 63.47 | 65.57 | b | 54.33 | d | 47.30 | d | 34.54 | c | 29.65 | g | 47.16 | a | |
1983 | 36.98 | c | 40.46 | c | 42.92 | e | 44.57 | 54.10 | g | 58.48 | d | 63.21 | b | 68.78 | b | 54.09 | b | 49.29 | b | 41.58 | f | 25.69 | j | 50.98 | c | |
1984 | 26.43 | d | 31.72 | f | 41.07 | d | 44.22 | e | 50.79 | b | 56.68 | b | 66.36 | c | 67.71 | b | 55.24 | a | 44.33 | b | 39.09 | h | 25.02 | c | 47.78 | b |
1985 | 21.12 | c | 27.98 | d | ----- | z | 48.03 | a | ----- | z | 60.15 | c | 70.27 | 61.16 | 50.29 | b | 45.27 | a | 26.80 | b | 19.35 | d | 43.04 | b | ||
1986 | 34.28 | f | 37.54 | a | 44.28 | a | 44.88 | 53.41 | b | 64.34 | a | 62.67 | d | 68.48 | 53.03 | 48.52 | a | 37.83 | a | 29.87 | 49.53 | a | ||||
1987 | 27.70 | c | 35.95 | 40.79 | c | 51.52 | b | 55.44 | 62.12 | a | 62.60 | a | 63.62 | a | 60.13 | 49.61 | c | 38.97 | 31.56 | f | 49.86 | a | ||||
1988 | 28.93 | j | 36.05 | j | 40.84 | f | 51.40 | f | 52.89 | c | 58.40 | a | 65.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.89 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.51 | 35.34 | 40.24 | 45.69 | 51.73 | 59.77 | 65.18 | 64.82 | 56.75 | 48.07 | 36.97 | 31.63 | 47.19 | |||||||||||||
S.D. | 6.46 | 3.60 | 2.94 | 3.06 | 2.15 | 2.96 | 2.11 | 3.01 | 3.11 | 1.81 | 4.05 | 5.82 | 0.67 | |||||||||||||
SKEW | -0.38 | -0.66 | 0.07 | -0.07 | 0.04 | 0.17 | 0.81 | -0.25 | -0.49 | -0.91 | -1.26 | -0.92 | -0.28 | |||||||||||||
MAX | 36.98 | 40.46 | 45.23 | 51.52 | 55.44 | 64.34 | 70.27 | 68.78 | 60.70 | 50.43 | 41.93 | 37.13 | 48.12 | |||||||||||||
MIN | 16.32 | 27.98 | 35.95 | 39.47 | 47.94 | 55.88 | 62.60 | 59.45 | 50.29 | 44.33 | 26.80 | 19.35 | 46.14 | |||||||||||||
YRS | 11 | 13 | 13 | 14 | 13 | 15 | 15 | 14 | 14 | 14 | 13 | 12 | 6 |