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 | 69.17 | g | 87.70 | 92.90 | 87.16 | 81.27 | 65.10 | 52.03 | a | 52.35 | 74.07 | e | ||||||
1981 | 48.32 | 47.86 | 51.81 | 68.43 | 66.06 | 83.93 | 89.35 | 84.42 | 80.50 | 61.13 | 56.13 | 43.45 | 65.12 | |||||||||||||
1982 | 39.42 | 43.54 | 52.32 | 61.70 | 68.35 | 74.87 | 86.48 | 88.16 | 75.00 | 60.32 | 46.57 | 41.06 | 61.48 | |||||||||||||
1983 | 46.32 | 48.11 | 47.74 | 50.50 | 63.16 | 75.03 | 90.23 | 91.42 | 81.97 | 66.57 | a | 47.70 | 25.81 | 61.21 | ||||||||||||
1984 | 36.26 | 44.76 | 49.13 | 51.30 | 73.39 | 79.97 | 90.39 | 86.23 | 74.00 | 55.03 | a | 51.97 | 41.60 | a | 61.17 | |||||||||||
1985 | 35.68 | 37.33 | a | 54.23 | 63.70 | 74.29 | 83.20 | 87.45 | 87.29 | 72.57 | 61.23 | 37.87 | 34.61 | 60.79 | ||||||||||||
1986 | 45.81 | 45.93 | 60.97 | 61.10 | 70.00 | 83.90 | 90.57 | a | 87.26 | 73.40 | 61.06 | 47.33 | 41.84 | 64.10 | ||||||||||||
1987 | 42.10 | 46.25 | 47.10 | 66.93 | 72.00 | 84.23 | 89.42 | 83.55 | 77.37 | 64.93 | a | 49.63 | 39.07 | a | 63.55 | |||||||||||
1988 | 34.35 | 41.48 | 48.55 | 62.77 | 73.13 | 87.87 | 89.16 | 89.23 | 77.80 | 67.13 | 51.77 | 40.71 | 63.66 | |||||||||||||
1989 | 43.97 | 31.19 | a | 53.55 | 64.00 | 73.03 | 78.13 | 93.45 | 84.48 | 75.79 | a | 64.13 | 54.40 | 38.15 | d | 62.86 | ||||||||||
1990 | 45.20 | a | 43.21 | 47.65 | 61.17 | 67.97 | 85.30 | 85.19 | 87.35 | 81.37 | 63.48 | 54.97 | 36.37 | a | 63.27 | |||||||||||
1991 | 37.48 | 52.57 | 54.87 | 59.63 | 72.13 | 81.70 | 87.16 | 85.32 | 78.13 | 65.03 | 43.60 | 44.19 | 63.49 | |||||||||||||
1992 | 42.84 | 50.93 | 54.52 | 66.93 | 74.58 | 78.30 | 83.42 | 81.52 | 79.10 | 67.61 | 42.90 | 34.68 | 63.11 | |||||||||||||
1993 | 32.94 | 36.21 | 53.74 | 58.80 | 71.29 | 78.87 | 86.84 | 82.94 | 72.50 | 60.74 | 43.60 | 42.68 | 60.10 | |||||||||||||
1994 | 45.03 | 38.61 | 57.10 | 60.17 | 75.42 | 87.23 | 89.10 | 88.16 | 80.20 | 61.90 | 47.00 | 47.65 | 64.80 | |||||||||||||
1995 | 43.00 | 49.25 | 52.68 | 56.30 | 59.13 | 75.87 | 86.45 | 91.16 | 75.40 | 63.61 | 53.87 | 46.03 | 62.73 | |||||||||||||
1996 | 40.97 | 46.86 | 49.48 | 62.90 | 70.94 | 82.70 | 87.00 | 86.94 | 75.10 | 65.68 | 48.83 | 46.33 | a | 63.64 | ||||||||||||
1997 | 37.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.45 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.01 | 44.01 | 52.21 | 61.02 | 70.30 | 81.69 | 88.50 | 86.62 | 77.14 | 63.22 | 48.83 | 40.98 | 62.82 | |||||||||||||
S.D. | 4.64 | 5.80 | 3.82 | 5.05 | 4.44 | 4.31 | 2.62 | 2.71 | 3.20 | 3.15 | 4.99 | 6.08 | 1.46 | |||||||||||||
SKEW | -0.22 | -0.63 | 0.51 | -0.71 | -1.18 | -0.17 | 0.12 | -0.02 | 0.05 | -0.83 | -0.43 | -0.58 | -0.34 | |||||||||||||
MAX | 48.32 | 52.57 | 60.97 | 68.43 | 75.42 | 87.87 | 93.45 | 91.42 | 81.97 | 67.61 | 56.13 | 52.35 | 65.12 | |||||||||||||
MIN | 32.94 | 31.19 | 47.10 | 50.50 | 59.13 | 74.87 | 83.42 | 81.52 | 72.50 | 55.03 | 37.87 | 25.81 | 60.10 | |||||||||||||
YRS | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |