YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1975 | 59.23 | a | 60.54 | 64.87 | 69.10 | 84.16 | 95.10 | a | 98.03 | 98.61 | 92.90 | 81.07 | a | 69.83 | 61.28 | b | 77.89 | |||||||||
1976 | 62.55 | 65.48 | 66.67 | a | 75.72 | a | 88.00 | e | 96.63 | 96.53 | a | 97.57 | a | 87.79 | a | 76.67 | a | 70.45 | a | 62.48 | b | 78.88 | ||||
1977 | 59.15 | d | 67.79 | 65.83 | a | 79.40 | 81.10 | 98.23 | 97.94 | 97.07 | a | 90.96 | e | 83.39 | 71.50 | 64.55 | 79.74 | |||||||||
1978 | 59.52 | f | 60.07 | 69.50 | a | 75.10 | 86.06 | 99.31 | a | 100.10 | 96.77 | 91.33 | 84.17 | a | 64.54 | b | 55.45 | 80.22 | a | |||||||
1979 | 51.45 | 62.18 | 64.87 | 77.77 | 84.83 | a | 97.00 | 99.94 | 95.61 | 96.73 | 84.00 | 65.57 | 64.26 | 78.68 | ||||||||||||
1980 | 59.97 | 64.83 | 63.53 | a | 76.66 | a | 82.67 | a | 98.28 | a | ----- | z | 96.65 | 94.72 | a | 82.52 | 72.00 | 69.23 | 78.28 | a | ||||||
1981 | 63.77 | 67.36 | 66.40 | a | 82.27 | 85.55 | 99.10 | a | 97.84 | 98.87 | 92.70 | 79.13 | 72.53 | 65.48 | 80.92 | |||||||||||
1982 | 58.19 | 63.63 | a | 65.52 | b | 77.23 | 85.39 | 94.27 | 96.84 | 96.23 | a | 90.45 | a | 80.43 | a | 66.15 | c | 57.10 | b | 77.62 | ||||||
1983 | 59.65 | 60.61 | 66.53 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.13 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 59.25 | 63.61 | 65.90 | 76.66 | 84.72 | 97.24 | 98.17 | 97.17 | 92.20 | 81.42 | 69.07 | 62.48 | 78.96 | |||||||||||||
S.D. | 3.66 | 2.95 | 1.76 | 3.80 | 2.12 | 1.84 | 1.38 | 1.13 | 2.74 | 2.62 | 3.17 | 4.50 | 1.22 | |||||||||||||
SKEW | -1.07 | 0.16 | 0.89 | -0.66 | -0.29 | -0.46 | 0.39 | 0.33 | 0.12 | -0.62 | -0.37 | -0.26 | 0.53 | |||||||||||||
MAX | 63.77 | 67.79 | 69.50 | 82.27 | 88.00 | 99.31 | 100.10 | 98.87 | 96.73 | 84.17 | 72.53 | 69.23 | 80.92 | |||||||||||||
MIN | 51.45 | 60.07 | 63.53 | 69.10 | 81.10 | 94.27 | 96.53 | 95.61 | 87.79 | 76.67 | 64.54 | 55.45 | 77.62 | |||||||||||||
YRS | 8 | 9 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 6 |