YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.29 | 87.03 | 72.13 | 68.23 | 55.73 | 46.17 | a | 69.43 | f | |||||
1972 | 47.06 | 53.86 | a | 64.26 | 66.64 | b | 72.45 | 86.90 | a | 86.61 | 86.03 | 78.52 | a | 65.30 | a | 43.10 | a | 38.97 | a | 65.81 | ||||||
1973 | 41.28 | b | 48.81 | b | 52.14 | b | 57.67 | 69.35 | 84.53 | 87.00 | a | 89.61 | 77.48 | a | 71.97 | ----- | z | 48.83 | a | 66.24 | a | |||||
1974 | 39.43 | a | 53.14 | 60.45 | 67.00 | a | 80.87 | ----- | z | 88.19 | o | 85.48 | 70.03 | 55.97 | ----- | z | 33.03 | 60.60 | c | |||||||
1975 | 43.55 | 47.07 | 54.68 | 63.69 | a | 73.52 | 82.43 | 89.42 | 89.76 | j | 78.33 | 72.81 | 53.20 | 54.16 | 64.81 | a | ||||||||||
1976 | 48.00 | 56.93 | a | 56.32 | 66.17 | 72.58 | 85.47 | 91.32 | 87.61 | 76.80 | 63.94 | 54.13 | 48.55 | 67.32 | ||||||||||||
1977 | 43.45 | 54.75 | 56.94 | 67.30 | 77.84 | 89.10 | 91.23 | 86.55 | 84.37 | 71.97 | 58.63 | 51.97 | 69.51 | |||||||||||||
1978 | 38.35 | 40.50 | 57.77 | 70.13 | 71.48 | 82.73 | 92.06 | 87.06 | 82.53 | 72.97 | a | 51.73 | 38.71 | 65.50 | ||||||||||||
1979 | 31.39 | 48.43 | 54.83 | a | 65.30 | 69.10 | 80.93 | b | 90.70 | a | 85.29 | 83.75 | b | 72.13 | a | 49.17 | a | 50.03 | 65.09 | |||||||
1980 | 39.89 | d | 49.21 | a | 53.77 | 60.90 | 68.97 | 88.73 | 94.19 | 89.06 | 80.40 | 69.57 | a | 57.10 | 58.50 | a | 67.53 | |||||||||
1981 | 52.97 | 55.22 | a | 55.35 | 73.60 | 73.32 | 89.20 | 91.57 | a | 85.87 | 85.83 | a | 77.81 | 68.31 | q | ----- | z | 74.07 | b | |||||||
1982 | ----- | z | ----- | z | 57.81 | 66.77 | 72.97 | a | 78.30 | 87.65 | e | 85.68 | 76.83 | 67.00 | 55.00 | 46.23 | 69.42 | b | ||||||||
1983 | 47.77 | 50.79 | 52.97 | b | 58.33 | 70.35 | 80.20 | 91.61 | 91.26 | 84.63 | 71.43 | a | 57.20 | 33.52 | 65.84 | |||||||||||
1984 | 40.29 | 52.52 | b | 52.93 | a | 59.72 | a | 76.58 | 85.63 | 90.20 | a | 86.35 | 77.77 | 60.06 | 56.73 | 48.83 | a | 65.64 | ||||||||
1985 | 38.26 | 41.14 | 56.29 | 67.40 | 74.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.54 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.44 | 50.18 | 56.18 | 65.04 | 73.14 | 84.51 | 90.07 | 87.15 | 79.24 | 68.65 | 53.79 | 45.96 | 66.53 | |||||||||||||
S.D. | 5.57 | 5.09 | 3.25 | 4.53 | 3.46 | 3.65 | 2.31 | 1.81 | 4.68 | 5.77 | 4.47 | 7.77 | 1.48 | |||||||||||||
SKEW | 0.02 | -0.70 | 1.07 | -0.11 | 0.75 | -0.18 | -0.12 | 1.08 | -0.37 | -0.73 | -1.30 | -0.36 | 1.05 | |||||||||||||
MAX | 52.97 | 56.93 | 64.26 | 73.60 | 80.87 | 89.20 | 94.19 | 91.26 | 85.83 | 77.81 | 58.63 | 58.50 | 69.51 | |||||||||||||
MIN | 31.39 | 40.50 | 52.14 | 57.67 | 68.97 | 78.30 | 86.61 | 85.29 | 70.03 | 55.97 | 43.10 | 33.03 | 65.09 | |||||||||||||
YRS | 13 | 13 | 14 | 14 | 14 | 12 | 13 | 13 | 14 | 14 | 11 | 13 | 8 |