YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | d | 96.00 | e | 94.00 | b | 89.00 | f | 86.00 | f | 73.00 | c | 69.00 | 99.00 | ||
1962 | 68.00 | b | 76.00 | 79.00 | 89.00 | 89.00 | 99.00 | 94.00 | 98.00 | 94.00 | 94.00 | 81.00 | 72.00 | 99.00 | ||||||||||||
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 | 99.00 | |||||||||||
1964 | 65.00 | ----- | z | ----- | z | 83.00 | 93.00 | 95.00 | 99.00 | a | 95.00 | 90.00 | 84.00 | 76.00 | 74.00 | 99.00 | ||||||||||
1965 | 70.00 | ----- | z | ----- | z | 90.00 | ----- | z | ----- | z | 98.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | ||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | 96.00 | 98.00 | 90.00 | 89.00 | 82.00 | 78.00 | 74.00 | 98.00 | |||||||||
1967 | 74.00 | 76.00 | 81.00 | 82.00 | 89.00 | 97.00 | 96.00 | 92.00 | 88.00 | ----- | z | ----- | z | 63.00 | 97.00 | |||||||||||
1968 | 67.00 | 74.00 | 77.00 | 80.00 | 93.00 | 100.00 | 95.00 | ----- | z | 90.00 | 85.00 | 74.00 | 69.00 | 100.00 | ||||||||||||
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 | |||||||||||
1970 | 77.00 | 73.00 | 73.00 | 79.00 | 93.00 | 101.00 | 95.00 | 92.00 | 94.00 | 81.00 | 77.00 | 77.00 | 101.00 | |||||||||||||
1971 | 79.00 | 76.00 | 83.00 | 85.00 | 88.00 | 96.00 | 99.00 | 91.00 | 93.00 | 81.00 | 80.00 | 75.00 | 99.00 | |||||||||||||
1972 | 74.00 | 79.00 | 83.00 | 86.00 | 85.00 | 97.00 | 98.00 | 98.00 | 91.00 | 90.00 | 75.00 | 72.00 | 98.00 | |||||||||||||
1973 | 69.00 | 75.00 | 73.00 | a | 82.00 | 90.00 | 101.00 | 99.00 | 98.00 | 93.00 | 89.00 | 85.00 | 75.00 | 101.00 | ||||||||||||
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 | 104.00 | |||||||||||||
1975 | 73.00 | 74.00 | 76.00 | 82.00 | 90.00 | 99.00 | 97.00 | 99.00 | 90.00 | 86.00 | a | 88.00 | 73.00 | 99.00 | ||||||||||||
1976 | 70.00 | 76.00 | 77.00 | 83.00 | 92.00 | 98.00 | 95.00 | 95.00 | 88.00 | ----- | z | 74.00 | 65.00 | 98.00 | ||||||||||||
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 | ||||||||||||
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 | 100.00 | ||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.00 | 95.00 | 96.00 | 91.00 | 72.00 | 71.00 | 101.00 | |||||||
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 | 101.00 | |||||
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 | |||||||||||
1982 | ----- | z | ----- | z | 78.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.00 | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | 98.00 | 104.00 | 96.00 | 94.00 | 87.00 | 77.00 | 71.00 | 104.00 | |||||||||
1993 | 73.00 | 69.00 | 83.00 | 89.00 | 93.00 | 102.00 | 99.00 | 100.00 | 90.00 | 88.00 | 81.00 | 70.00 | 102.00 | |||||||||||||
1994 | 72.00 | 74.00 | 78.00 | 86.00 | 98.00 | 105.00 | 108.00 | 99.00 | 92.00 | 84.00 | 79.00 | 71.00 | 108.00 | |||||||||||||
1995 | 68.00 | 74.00 | 78.00 | 90.00 | 87.00 | 96.00 | 105.00 | 100.00 | 95.00 | 95.00 | 79.00 | 75.00 | 105.00 | |||||||||||||
1996 | 74.00 | 76.00 | 79.00 | 92.00 | 98.00 | 102.00 | 98.00 | 95.00 | 90.00 | ----- | z | ----- | z | ----- | z | 102.00 | ||||||||||
1997 | 70.00 | ----- | z | 81.00 | 82.00 | 96.00 | 97.00 | ----- | z | 84.00 | z | 92.00 | f | 86.00 | i | 79.00 | g | 63.00 | d | 97.00 | ||||||
1998 | 68.00 | b | 68.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.00 | z | 68.00 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 71.17 | 75.05 | 78.45 | 84.86 | 91.30 | 99.24 | 98.35 | 94.92 | 91.46 | 87.00 | 77.82 | 71.04 | 101.15 | |||||||||||||
S.D. | 3.40 | 2.67 | 3.39 | 3.44 | 3.92 | 2.50 | 3.21 | 3.13 | 2.43 | 3.85 | 3.96 | 4.02 | 2.91 | |||||||||||||
SKEW | 0.31 | -0.82 | -0.26 | 0.42 | -0.03 | 0.37 | 1.41 | 0.07 | 0.30 | 0.33 | 0.75 | -0.78 | 1.15 | |||||||||||||
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 | 108.00 | |||||||||||||
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 | 98.00 | |||||||||||||
NO YRS | 24 | 20 | 22 | 22 | 23 | 25 | 26 | 24 | 24 | 21 | 22 | 23 | 13 |