YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | 84.00 | g | 99.00 | 101.00 | 100.00 | 94.00 | 87.00 | 75.00 | a | 74.00 | ----- | z | ||||||
1981 | 63.00 | 70.00 | 69.00 | 86.00 | 84.00 | 95.00 | 101.00 | 96.00 | 92.00 | 79.00 | 71.00 | 66.00 | 101.00 | |||||||||||||
1982 | 70.00 | 72.00 | 67.00 | 80.00 | 87.00 | 91.00 | 101.00 | 97.00 | 95.00 | 75.00 | 65.00 | 65.00 | 101.00 | |||||||||||||
1983 | 64.00 | 65.00 | 67.00 | 74.00 | 84.00 | 93.00 | 100.00 | 98.00 | 98.00 | 81.00 | a | 72.00 | 49.00 | 100.00 | a | |||||||||||
1984 | 57.00 | 59.00 | 70.00 | 75.00 | 90.00 | 94.00 | 99.00 | 93.00 | 94.00 | 76.00 | a | 70.00 | 65.00 | a | 99.00 | b | ||||||||||
1985 | 54.00 | 57.00 | a | 75.00 | 83.00 | 88.00 | 99.00 | 101.00 | 98.00 | 99.00 | 75.00 | 67.00 | 48.00 | 101.00 | a | |||||||||||
1986 | 63.00 | 74.00 | 79.00 | 80.00 | 87.00 | 100.00 | 99.00 | a | 99.00 | 85.00 | 75.00 | 65.00 | 59.00 | 100.00 | a | |||||||||||
1987 | 64.00 | 68.00 | 68.00 | 85.00 | 86.00 | 95.00 | 100.00 | 98.00 | 93.00 | 86.00 | a | 65.00 | 62.00 | a | 100.00 | b | ||||||||||
1988 | 56.00 | 62.00 | 75.00 | 80.00 | 91.00 | 102.00 | 96.00 | 100.00 | 96.00 | 80.00 | 71.00 | 63.00 | 102.00 | |||||||||||||
1989 | 58.00 | 63.00 | a | 72.00 | 88.00 | 93.00 | 101.00 | 106.00 | 93.00 | 93.00 | a | 86.00 | 75.00 | 66.00 | d | 106.00 | f | |||||||||
1990 | 67.00 | a | 62.00 | 70.00 | 80.00 | 88.00 | 104.00 | 103.00 | 102.00 | 97.00 | 83.00 | 73.00 | 65.00 | a | 104.00 | b | ||||||||||
1991 | 55.00 | 63.00 | 72.00 | 80.00 | 89.00 | 100.00 | 98.00 | 95.00 | 88.00 | 87.00 | 69.00 | 67.00 | 100.00 | |||||||||||||
1992 | 55.00 | 67.00 | 68.00 | 83.00 | 89.00 | 89.00 | 97.00 | 96.00 | 89.00 | 86.00 | 65.00 | 50.00 | 97.00 | |||||||||||||
1993 | 52.00 | 52.00 | 74.00 | 74.00 | 85.00 | 97.00 | 99.00 | 99.00 | 90.00 | 85.00 | 63.00 | 58.00 | 99.00 | |||||||||||||
1994 | 62.00 | 57.00 | 74.00 | 80.00 | 92.00 | 102.00 | 100.00 | 96.00 | 92.00 | 77.00 | 72.00 | 65.00 | 102.00 | |||||||||||||
1995 | 64.00 | 69.00 | 76.00 | 76.00 | 81.00 | 91.00 | 100.00 | 102.00 | 98.00 | 81.00 | 70.00 | 70.00 | 102.00 | |||||||||||||
1996 | 70.00 | 68.00 | 73.00 | 84.00 | 93.00 | 91.00 | 99.00 | 100.00 | 93.00 | 88.00 | 70.00 | 63.00 | a | 100.00 | a | |||||||||||
1997 | 68.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.29 | 64.25 | 71.81 | 80.50 | 87.94 | 96.65 | 100.00 | 97.76 | 93.29 | 81.59 | 69.29 | 62.06 | 100.53 | |||||||||||||
S.D. | 5.77 | 6.02 | 3.56 | 4.23 | 3.43 | 4.64 | 2.26 | 2.70 | 3.80 | 4.77 | 3.70 | 7.23 | 1.64 | |||||||||||||
SKEW | -0.03 | -0.30 | 0.25 | -0.05 | -0.21 | -0.11 | 0.80 | -0.21 | -0.43 | -0.16 | -0.13 | -0.73 | -0.01 | |||||||||||||
MAX | 70.00 | 74.00 | 79.00 | 88.00 | 93.00 | 104.00 | 106.00 | 102.00 | 99.00 | 88.00 | 75.00 | 74.00 | 104.00 | |||||||||||||
MIN | 52.00 | 52.00 | 67.00 | 74.00 | 81.00 | 89.00 | 96.00 | 93.00 | 85.00 | 75.00 | 63.00 | 48.00 | 97.00 | |||||||||||||
YRS | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 15 |