YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | f | 96.00 | e | 94.00 | b | 89.00 | f | 86.00 | f | 73.00 | d | 69.00 | ----- | z | |
1962 | 68.00 | b | 76.00 | 79.00 | 89.00 | a | 89.00 | a | 99.00 | 94.00 | 98.00 | 94.00 | 94.00 | 81.00 | 72.00 | 99.00 | d | |||||||||
1963 | 73.00 | 77.00 | 82.00 | a | 86.00 | 90.00 | 99.00 | 99.00 | 90.00 | 90.00 | 85.00 | ----- | z | 70.00 | a | ----- | z | |||||||||
1964 | 65.00 | ----- | z | ----- | z | 83.00 | 93.00 | 95.00 | 99.00 | a | 95.00 | 90.00 | 84.00 | 76.00 | 74.00 | ----- | z | |||||||||
1965 | 70.00 | ----- | z | ----- | z | 90.00 | ----- | z | ----- | z | 98.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | 96.00 | 98.00 | 90.00 | 89.00 | 82.00 | 78.00 | 74.00 | ----- | z | ||||||||
1967 | 74.00 | 76.00 | 81.00 | 82.00 | 89.00 | 97.00 | 96.00 | 92.00 | 88.00 | ----- | z | ----- | z | 63.00 | ----- | z | ||||||||||
1968 | 67.00 | 74.00 | 77.00 | 80.00 | 93.00 | 100.00 | 95.00 | ----- | z | 90.00 | 85.00 | 74.00 | 69.00 | ----- | z | |||||||||||
1969 | 74.00 | 74.00 | 82.00 | 85.00 | 95.00 | a | 100.00 | 98.00 | 95.00 | a | 91.00 | 88.00 | 73.00 | 73.00 | 100.00 | b | ||||||||||
1970 | 77.00 | 73.00 | 73.00 | 79.00 | 93.00 | 101.00 | 95.00 | 92.00 | 94.00 | a | 81.00 | 77.00 | 77.00 | a | 101.00 | b | ||||||||||
1971 | 79.00 | 76.00 | 83.00 | 85.00 | 88.00 | 96.00 | 99.00 | 91.00 | a | 93.00 | 81.00 | 80.00 | 75.00 | 99.00 | a | |||||||||||
1972 | 74.00 | 79.00 | 83.00 | 86.00 | 85.00 | c | 97.00 | 98.00 | 98.00 | 91.00 | 90.00 | 75.00 | 72.00 | b | 98.00 | e | ||||||||||
1973 | 69.00 | a | 75.00 | 73.00 | a | 82.00 | a | 90.00 | a | 101.00 | a | 99.00 | 98.00 | 93.00 | 89.00 | 85.00 | 75.00 | 101.00 | e | |||||||
1974 | 73.00 | 75.00 | 81.00 | 86.00 | 97.00 | 104.00 | 97.00 | 91.00 | 95.00 | 84.00 | 75.00 | 64.00 | b | 104.00 | b | |||||||||||
1975 | 73.00 | 74.00 | 76.00 | 82.00 | 90.00 | 99.00 | 97.00 | 99.00 | 90.00 | 86.00 | b | 88.00 | 73.00 | 99.00 | b | |||||||||||
1976 | 70.00 | 76.00 | 77.00 | 83.00 | 92.00 | 98.00 | 95.00 | 95.00 | 88.00 | ----- | z | 74.00 | 65.00 | ----- | z | |||||||||||
1977 | 67.00 | 77.00 | 75.00 | 83.00 | 90.00 | 99.00 | 96.00 | 94.00 | a | 90.00 | 88.00 | 79.00 | 75.00 | 99.00 | a | |||||||||||
1978 | 70.00 | 69.00 | 80.00 | 83.00 | c | 93.00 | a | 100.00 | 98.00 | 92.00 | 88.00 | 88.00 | 76.00 | ----- | z | ----- | z | |||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.00 | 95.00 | 96.00 | 91.00 | 72.00 | 71.00 | ----- | z | ||||||
1980 | 72.00 | 78.00 | 74.00 | ----- | z | ----- | z | 101.00 | b | 99.00 | 96.00 | b | 94.00 | a | 91.00 | a | 81.00 | c | ----- | z | ----- | z | ||||
1981 | 68.00 | 79.00 | 73.00 | 84.00 | 83.00 | 100.00 | 96.00 | 93.00 | 90.00 | a | 86.00 | a | 79.00 | 73.00 | 100.00 | b | ||||||||||
1982 | ----- | z | ----- | z | 78.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | a | 98.00 | 104.00 | b | 96.00 | a | 94.00 | 87.00 | a | 77.00 | 71.00 | ----- | z | ||||
1993 | 73.00 | 69.00 | 83.00 | 89.00 | 93.00 | 102.00 | 99.00 | 100.00 | 95.00 | 88.00 | 81.00 | a | 74.00 | 102.00 | a | |||||||||||
1994 | 72.00 | c | 74.00 | 78.00 | a | 86.00 | a | 98.00 | a | 105.00 | a | 108.00 | 99.00 | b | 92.00 | 84.00 | c | 79.00 | 71.00 | 108.00 | l | |||||
1995 | 68.00 | 74.00 | b | 78.00 | b | 90.00 | a | 87.00 | a | 96.00 | 105.00 | 100.00 | b | 95.00 | a | 95.00 | 79.00 | b | 75.00 | c | 105.00 | n | ||||
1996 | 74.00 | 76.00 | a | 78.00 | a | 92.00 | b | 98.00 | 102.00 | 98.00 | a | 95.00 | b | 90.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | |||
1997 | 70.00 | e | ----- | z | 81.00 | d | 82.00 | d | 96.00 | d | 97.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 71.30 | 75.05 | 78.41 | 84.86 | 91.30 | 99.25 | 98.35 | 94.92 | 91.67 | 87.00 | 77.82 | 71.59 | 100.33 | |||||||||||||
S.D. | 3.40 | 2.67 | 3.39 | 3.44 | 3.92 | 2.56 | 3.21 | 3.13 | 2.51 | 3.85 | 3.96 | 3.72 | 1.73 | |||||||||||||
SKEW | 0.24 | -0.83 | -0.23 | 0.41 | -0.03 | 0.37 | 1.41 | 0.07 | 0.13 | 0.33 | 0.75 | -0.97 | 1.14 | |||||||||||||
MAX | 79.00 | 79.00 | 83.00 | 92.00 | 98.00 | 105.00 | 108.00 | 100.00 | 96.00 | 95.00 | 88.00 | 77.00 | 104.00 | |||||||||||||
MIN | 65.00 | 69.00 | 73.00 | 79.00 | 83.00 | 95.00 | 94.00 | 90.00 | 88.00 | 81.00 | 72.00 | 63.00 | 99.00 | |||||||||||||
YRS | 23 | 20 | 22 | 22 | 23 | 24 | 26 | 24 | 24 | 21 | 22 | 22 | 9 |