YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.98 | 70.94 | 59.60 | 49.77 | 42.03 | 31.80 | a | 54.35 | f | |||||
1972 | 29.24 | 37.20 | a | 45.58 | 50.56 | c | 57.41 | c | 69.57 | b | 70.61 | 69.03 | a | 62.59 | b | 50.22 | b | 30.84 | a | 23.73 | a | 49.72 | ||||
1973 | 28.62 | b | 33.94 | b | 38.86 | b | 43.48 | 55.34 | 67.48 | 70.67 | a | 71.30 | a | 61.04 | b | 53.81 | ----- | z | 32.53 | a | 50.64 | a | ||||
1974 | 24.32 | c | 35.82 | 43.77 | a | 49.45 | a | 61.82 | ----- | z | 70.83 | p | 67.77 | 55.85 | 45.35 | ----- | z | 21.60 | 45.08 | c | ||||||
1975 | 28.71 | 32.38 | 37.97 | 46.62 | a | 56.88 | a | 64.14 | a | 72.56 | ----- | z | 60.65 | 51.76 | 36.12 | 35.02 | b | 47.53 | a | |||||||
1976 | 28.85 | 37.48 | a | 37.45 | 47.30 | 55.10 | 65.83 | a | 73.29 | b | 68.92 | a | 60.31 | a | 47.84 | 36.53 | a | 31.10 | 49.17 | |||||||
1977 | 25.53 | 36.82 | 39.84 | 51.20 | 60.35 | 70.62 | 73.27 | 69.71 | 63.77 | 52.98 | 42.00 | 36.81 | 51.91 | |||||||||||||
1978 | 24.73 | 29.11 | 42.71 | 52.60 | 56.60 | 68.33 | 75.44 | 70.37 | 63.77 | 54.38 | a | 37.47 | 23.73 | 49.94 | ||||||||||||
1979 | 16.77 | 31.86 | 41.03 | b | 49.95 | 55.16 | 66.16 | b | 74.18 | a | 69.21 | 65.89 | b | 54.20 | a | 34.75 | b | 33.08 | 49.35 | |||||||
1980 | 24.94 | d | 34.11 | a | 37.76 | 46.03 | 55.10 | 70.45 | 76.79 | 72.42 | 63.17 | 50.95 | a | 39.93 | 40.82 | a | 51.04 | |||||||||
1981 | 34.79 | 34.94 | a | 41.74 | 55.92 | 58.39 | 72.27 | 74.95 | a | 70.71 | 67.14 | a | 57.16 | 48.85 | q | ----- | z | 56.80 | b | |||||||
1982 | ----- | z | ----- | z | 41.45 | 49.88 | 58.53 | a | 64.15 | 72.62 | f | 71.18 | 62.03 | 49.08 | 37.62 | 31.02 | 51.66 | c | ||||||||
1983 | 33.34 | 36.35 | a | 40.22 | b | 43.32 | 55.45 | 64.75 | 74.27 | 74.39 | 66.07 | 53.23 | a | 40.92 | 20.03 | 50.20 | ||||||||||
1984 | 24.95 | a | 35.72 | b | 37.93 | a | 44.62 | a | 60.31 | 68.82 | 74.22 | a | 72.10 | 62.12 | 46.85 | 40.07 | 34.15 | a | 50.15 | |||||||
1985 | 25.13 | 26.00 | 41.37 | 52.42 | 60.02 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.99 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.92 | 33.98 | 40.55 | 48.81 | 57.60 | 67.71 | 73.52 | 70.62 | 62.43 | 51.26 | 38.03 | 30.42 | 50.18 | |||||||||||||
S.D. | 4.53 | 3.39 | 2.45 | 3.72 | 2.32 | 2.73 | 1.86 | 1.75 | 2.94 | 3.29 | 3.42 | 6.28 | 0.90 | |||||||||||||
SKEW | -0.29 | -1.14 | 0.45 | 0.09 | 0.40 | 0.09 | -0.09 | 0.44 | -0.39 | -0.12 | -0.66 | -0.29 | 0.83 | |||||||||||||
MAX | 34.79 | 37.48 | 45.58 | 55.92 | 61.82 | 72.27 | 76.79 | 74.39 | 67.14 | 57.16 | 42.03 | 40.82 | 51.91 | |||||||||||||
MIN | 16.77 | 26.00 | 37.45 | 43.32 | 55.10 | 64.14 | 70.61 | 67.77 | 55.85 | 45.35 | 30.84 | 20.03 | 49.17 | |||||||||||||
YRS | 13 | 13 | 14 | 14 | 14 | 12 | 12 | 13 | 14 | 14 | 11 | 13 | 8 |