YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1975 | 51.75 | a | 52.43 | 55.55 | 59.23 | 74.12 | a | 84.57 | b | 87.53 | 88.88 | c | 83.18 | 71.16 | c | 61.62 | a | 53.86 | c | 68.66 | ||||||
1976 | 55.17 | a | 57.54 | b | 57.91 | b | 66.91 | c | 78.30 | i | 86.64 | a | 86.76 | b | 88.34 | c | 79.70 | b | 69.66 | b | 62.33 | a | 54.61 | d | 69.60 | a |
1977 | 50.96 | f | 59.61 | 56.59 | b | 69.15 | 71.05 | 87.95 | 88.15 | a | 88.02 | b | 82.45 | h | 75.02 | 63.73 | 57.97 | a | 71.72 | b | ||||||
1978 | 53.19 | g | 53.11 | 61.76 | b | 65.28 | 75.50 | 89.67 | a | 89.79 | 86.98 | c | 81.63 | 75.91 | b | 57.58 | f | 48.15 | 72.78 | b | ||||||
1979 | 45.37 | 53.95 | 56.97 | 67.60 | a | 73.59 | b | 86.50 | 89.76 | 85.55 | 87.41 | b | 75.98 | 58.03 | 56.38 | a | 69.76 | |||||||||
1980 | 53.29 | 57.96 | a | 55.27 | c | 66.57 | a | 72.07 | a | 88.55 | b | ----- | z | 87.33 | a | 85.05 | b | 73.37 | 63.55 | 61.32 | 69.49 | a | ||||
1981 | 57.53 | a | 59.21 | 57.79 | c | 71.63 | 75.52 | 88.80 | b | 87.79 | 89.45 | 83.75 | 70.26 | 65.15 | 58.23 | 72.09 | ||||||||||
1982 | 50.45 | 55.59 | a | 57.41 | b | 67.68 | 74.50 | 84.05 | 86.40 | a | 86.09 | b | 81.74 | a | 72.23 | a | 58.90 | d | 50.46 | c | 68.79 | |||||
1983 | 53.24 | b | 53.84 | 59.27 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.54 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.40 | 55.92 | 57.41 | 66.76 | 73.76 | 87.09 | 88.03 | 87.58 | 83.21 | 72.95 | 61.90 | 55.12 | 69.83 | |||||||||||||
S.D. | 3.85 | 2.73 | 2.01 | 3.58 | 1.69 | 2.02 | 1.33 | 1.35 | 2.53 | 2.51 | 2.61 | 4.31 | 1.59 | |||||||||||||
SKEW | -0.62 | 0.12 | 1.24 | -0.99 | -0.52 | -0.34 | 0.32 | -0.17 | 0.34 | 0.02 | -0.41 | -0.29 | 0.86 | |||||||||||||
MAX | 57.53 | 59.61 | 61.76 | 71.63 | 75.52 | 89.67 | 89.79 | 89.45 | 87.41 | 75.98 | 65.15 | 61.32 | 72.09 | |||||||||||||
MIN | 45.37 | 52.43 | 55.27 | 59.23 | 71.05 | 84.05 | 86.40 | 85.55 | 79.70 | 69.66 | 58.03 | 48.15 | 68.66 | |||||||||||||
YRS | 7 | 9 | 8 | 8 | 7 | 8 | 7 | 8 | 7 | 8 | 7 | 8 | 4 |