YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | 73.00 | a | 84.00 | 86.00 | 91.00 | 81.00 | 79.00 | 72.00 | 67.00 | a | 62.00 | ----- | z | |||||||
1967 | 61.00 | 59.00 | 71.00 | 76.00 | 83.00 | 82.00 | 83.00 | 83.00 | 78.00 | 79.00 | 69.00 | a | 51.00 | a | 83.00 | b | ||||||||||
1968 | 60.00 | 61.00 | a | 67.00 | 69.00 | 79.00 | 92.00 | 86.00 | 81.00 | 79.00 | 77.00 | 62.00 | 59.00 | 92.00 | a | |||||||||||
1969 | 60.00 | 58.00 | 67.00 | 73.00 | 80.00 | a | 84.00 | 89.00 | a | 88.00 | 80.00 | 76.00 | 64.00 | 61.00 | 89.00 | b | ||||||||||
1970 | 65.00 | 66.00 | 65.00 | a | 72.00 | 81.00 | 88.00 | b | 89.00 | c | 85.00 | b | 82.00 | f | 73.00 | d | 62.00 | a | 63.00 | 89.00 | s | |||||
1971 | 66.00 | 60.00 | 78.00 | a | 75.00 | d | 77.00 | 89.00 | 93.00 | 84.00 | 89.00 | 76.00 | 75.00 | 58.00 | 93.00 | e | ||||||||||
1972 | 60.00 | 69.00 | 72.00 | a | 78.00 | 76.00 | a | 84.00 | 89.00 | 83.00 | 80.00 | 80.00 | b | 57.00 | b | 56.00 | a | 89.00 | g | |||||||
1973 | 68.00 | b | 59.00 | a | 62.00 | c | 68.00 | e | 80.00 | b | 87.00 | 93.00 | 88.00 | 82.00 | 75.00 | c | 72.00 | c | 63.00 | b | 93.00 | u | ||||
1974 | 63.00 | 59.00 | b | 72.00 | 77.00 | a | 84.00 | b | 89.00 | 88.00 | 86.00 | a | 85.00 | f | 75.00 | 69.00 | 58.00 | b | 89.00 | n | ||||||
1975 | 63.00 | 60.00 | 65.00 | 71.00 | 77.00 | 85.00 | 84.00 | 86.00 | 86.00 | 76.00 | 73.00 | 61.00 | 86.00 | |||||||||||||
1976 | 58.00 | 64.00 | a | 64.00 | 71.00 | a | 74.00 | 88.00 | 86.00 | 87.00 | 85.00 | 74.00 | 65.00 | 60.00 | 88.00 | b | ||||||||||
1977 | 56.00 | 62.00 | 62.00 | 74.00 | 74.00 | 88.00 | a | 87.00 | 86.00 | 84.00 | 74.00 | a | 69.00 | a | 63.00 | a | 88.00 | d | ||||||||
1978 | 54.00 | 56.00 | a | 72.00 | 73.00 | 81.00 | 89.00 | 88.00 | 88.00 | 84.00 | 80.00 | 72.00 | a | 54.00 | 89.00 | b | ||||||||||
1979 | 57.00 | 63.00 | 63.00 | 74.00 | 75.00 | 86.00 | 89.00 | 88.00 | 84.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 60.85 | 61.23 | 67.69 | 73.14 | 78.93 | 86.93 | 88.21 | 85.29 | 82.50 | 75.92 | 67.38 | 59.15 | 87.86 | |||||||||||||
S.D. | 4.08 | 3.54 | 4.91 | 2.85 | 3.50 | 2.62 | 2.94 | 2.52 | 3.37 | 2.53 | 5.19 | 3.72 | 2.79 | |||||||||||||
SKEW | 0.10 | 0.76 | 0.59 | -0.09 | 0.02 | -0.08 | 0.01 | -0.48 | 0.33 | 0.35 | -0.41 | -0.86 | -0.39 | |||||||||||||
MAX | 68.00 | 69.00 | 78.00 | 78.00 | 84.00 | 92.00 | 93.00 | 88.00 | 89.00 | 80.00 | 75.00 | 63.00 | 92.00 | |||||||||||||
MIN | 54.00 | 56.00 | 62.00 | 68.00 | 74.00 | 82.00 | 83.00 | 81.00 | 78.00 | 72.00 | 57.00 | 51.00 | 83.00 | |||||||||||||
YRS | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 12 | 13 | 13 | 13 | 7 |