YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | 52.63 | 61.55 | 57.27 | 54.87 | 46.03 | a | 35.18 | 33.92 | 48.78 | e | ||||||
1981 | 33.47 | 32.50 | 38.37 | 42.63 | 46.76 | 52.32 | 58.81 | 64.26 | 54.65 | 42.34 | 37.30 | ----- | z | 45.76 | a | |||||||||||
1982 | 23.15 | 24.41 | 34.60 | b | 37.95 | a | 46.97 | 57.12 | 60.65 | 62.40 | a | 52.32 | 42.34 | 29.40 | ----- | z | 42.84 | a | ||||||||
1983 | 33.16 | 34.91 | 38.36 | b | 40.28 | 50.00 | 54.37 | 59.40 | b | 65.47 | 49.74 | a | 45.00 | 35.63 | 18.10 | 43.70 | ||||||||||
1984 | 29.10 | 33.17 | 37.74 | 39.87 | 46.61 | 54.70 | 64.03 | 64.50 | 52.10 | 39.48 | 32.08 | 20.35 | 42.81 | |||||||||||||
1985 | 19.92 | 23.39 | 31.85 | 43.98 | 50.18 | ----- | z | 68.23 | 59.00 | 48.12 | 42.00 | 20.55 | 20.74 | 38.91 | a | |||||||||||
1986 | 29.50 | 30.62 | 41.08 | 40.42 | 51.28 | a | 61.10 | ----- | z | 67.06 | 49.35 | 46.97 | 31.13 | 26.45 | 43.18 | a | ||||||||||
1987 | 25.08 | 32.96 | 38.13 | 48.90 | 52.53 | 58.72 | a | 59.95 | 59.74 | 57.28 | 47.90 | 35.58 | 26.66 | 45.29 | ||||||||||||
1988 | 24.06 | 33.83 | 35.73 | 45.17 | 49.02 | 56.85 | 62.35 | 62.11 | 55.38 | 52.68 | 32.90 | 26.42 | 44.71 | |||||||||||||
1989 | 26.15 | 19.73 | 34.42 | a | 44.27 | 48.21 | 57.55 | 63.47 | 59.37 | 55.28 | 44.73 | 38.17 | 31.42 | 43.56 | ||||||||||||
1990 | 31.48 | 29.30 | 39.15 | 46.30 | 47.21 | 55.13 | 64.24 | 62.79 | 60.48 | 42.63 | a | 36.76 | a | 19.37 | 44.57 | |||||||||||
1991 | 26.60 | 39.88 | 35.21 | 42.33 | 47.56 | 52.48 | 62.92 | 65.74 | 56.82 | 45.06 | 33.55 | 31.81 | 45.00 | |||||||||||||
1992 | 32.11 | 39.29 | 43.37 | 45.98 | 55.00 | 61.36 | a | 61.90 | 63.92 | 54.90 | 47.79 | 31.83 | 24.10 | a | 46.80 | |||||||||||
1993 | 21.40 | a | 24.50 | a | 37.98 | 40.38 | b | 54.10 | ----- | z | 54.24 | 58.37 | 54.62 | 47.92 | 29.83 | a | 31.68 | 41.36 | a | |||||||
1994 | 36.42 | 31.29 | 40.48 | 46.22 | 52.84 | 56.27 | 66.89 | 64.98 | 59.13 | 44.63 | 28.29 | a | 26.95 | 46.20 | ||||||||||||
1995 | 29.76 | 35.39 | 35.89 | 41.58 | 50.66 | 54.02 | 62.60 | 59.13 | 56.58 | 41.60 | 38.85 | 28.89 | 44.58 | |||||||||||||
1996 | 25.76 | 28.21 | ----- | z | 42.65 | 45.25 | a | 55.63 | 64.16 | 62.21 | ----- | z | ----- | z | ----- | z | ----- | z | 46.27 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.94 | 30.84 | 37.49 | 43.06 | 49.64 | 56.02 | 62.21 | 62.26 | 54.48 | 44.94 | 32.94 | 26.20 | 44.72 | |||||||||||||
S.D. | 4.69 | 5.67 | 2.95 | 2.96 | 2.92 | 2.84 | 3.29 | 2.96 | 3.43 | 3.26 | 4.60 | 5.09 | 1.20 | |||||||||||||
SKEW | 0.03 | -0.29 | 0.08 | 0.20 | 0.35 | 0.52 | -0.46 | -0.14 | -0.27 | 0.54 | -1.09 | -0.16 | 0.19 | |||||||||||||
MAX | 36.42 | 39.88 | 43.37 | 48.90 | 55.00 | 61.36 | 68.23 | 67.06 | 60.48 | 52.68 | 38.85 | 33.92 | 46.80 | |||||||||||||
MIN | 19.92 | 19.73 | 31.85 | 37.95 | 45.25 | 52.32 | 54.24 | 57.27 | 48.12 | 39.48 | 20.55 | 18.10 | 42.81 | |||||||||||||
YRS | 16 | 16 | 15 | 16 | 16 | 15 | 16 | 17 | 16 | 16 | 16 | 14 | 10 |