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 | 54.02 | g | 68.17 | a | 74.79 | 69.55 | 62.20 | 47.71 | 36.60 | a | 36.87 | a | 56.56 | e | ||||
1981 | 31.45 | a | 30.09 | 37.81 | 51.52 | 53.24 | 66.68 | 72.85 | a | 68.65 | 63.10 | a | 46.23 | 40.02 | 28.97 | 49.22 | ||||||||||
1982 | 24.10 | a | 26.57 | a | 36.92 | a | 43.58 | 53.55 | 60.05 | 70.03 | 72.19 | 59.78 | 45.71 | 32.25 | 27.97 | 46.06 | ||||||||||
1983 | 30.72 | a | 32.59 | 35.95 | 38.75 | 50.15 | 61.28 | 72.74 | 74.48 | 62.20 | 49.22 | a | 34.12 | 14.81 | 46.42 | |||||||||||
1984 | 22.56 | 32.00 | 35.15 | 39.73 | 57.00 | 63.75 | 72.84 | 70.63 | 57.36 | a | 43.05 | b | 36.55 | a | 26.81 | b | 46.45 | |||||||||
1985 | 20.53 | 23.33 | a | 37.79 | 48.38 | 57.82 | 65.41 | a | 71.73 | 68.85 | 56.50 | 45.07 | a | 24.65 | 20.50 | 45.05 | ||||||||||
1986 | 32.35 | 31.32 | 43.95 | 47.42 | 54.31 | 67.28 | a | 72.35 | a | 69.94 | 58.08 | 47.03 | 33.50 | a | 27.25 | a | 48.73 | |||||||||
1987 | 26.12 | b | 32.48 | 34.73 | 48.12 | 57.44 | 67.30 | 72.29 | c | 68.35 | 59.76 | a | 47.17 | a | 36.47 | 26.55 | c | 48.06 | ||||||||
1988 | 19.67 | a | 28.18 | a | 34.82 | 45.12 | 56.47 | a | 70.53 | 71.90 | 71.40 | 60.32 | 50.23 | 36.37 | 25.92 | 47.58 | ||||||||||
1989 | 27.97 | 18.26 | a | 38.52 | 47.39 | b | 56.89 | 63.47 | 74.60 | 68.61 | 58.92 | d | 47.32 | a | 37.97 | 22.31 | d | 46.85 | ||||||||
1990 | 29.91 | c | 28.25 | 35.48 | 46.27 | 51.71 | 68.03 | 69.57 | a | 69.79 | 64.58 | 46.68 | a | 39.45 | 20.66 | b | 47.53 | |||||||||
1991 | 22.40 | a | 34.89 | 37.71 | 44.57 | 56.65 | 66.25 | 71.18 | 69.90 | 60.33 | 47.10 | 31.95 | 28.95 | 47.66 | ||||||||||||
1992 | 28.06 | 36.33 | 40.10 | 49.28 | a | 57.74 | 63.68 | 68.22 | a | 65.78 | a | 60.90 | a | 49.77 | 30.55 | 21.30 | a | 47.64 | ||||||||
1993 | 20.08 | a | 24.02 | 39.68 | 44.47 | 56.02 | 63.07 | 69.87 | 67.89 | 56.38 | 45.89 | 29.78 | 28.50 | a | 45.47 | |||||||||||
1994 | 30.18 | a | 23.82 | 40.26 | 45.55 | 58.35 | 69.66 | a | 70.77 | a | 71.44 | 62.26 | a | 47.77 | 33.90 | 32.03 | 48.83 | |||||||||
1995 | 28.37 | a | 33.29 | 37.13 | 41.55 | 48.52 | 61.14 | a | 69.78 | a | 72.77 | 60.10 | a | 46.79 | 37.57 | 30.42 | 47.29 | |||||||||
1996 | 23.65 | 29.91 | 33.35 | a | 46.05 | 56.20 | c | 65.93 | 71.24 | 68.97 | 59.42 | 49.13 | 34.70 | 30.76 | b | 47.44 | ||||||||||
1997 | 23.75 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.75 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.99 | 29.08 | 37.46 | 45.48 | 55.13 | 65.39 | 71.57 | 69.95 | 60.13 | 47.17 | 34.49 | 26.50 | 47.27 | |||||||||||||
S.D. | 4.20 | 4.86 | 2.66 | 3.41 | 2.94 | 3.04 | 1.77 | 2.07 | 2.29 | 1.79 | 3.88 | 5.26 | 1.17 | |||||||||||||
SKEW | -0.04 | -0.59 | 0.71 | -0.41 | -0.98 | -0.14 | 0.08 | 0.30 | 0.05 | -0.25 | -0.84 | -0.34 | -0.20 | |||||||||||||
MAX | 32.35 | 36.33 | 43.95 | 51.52 | 58.35 | 70.53 | 74.79 | 74.48 | 64.58 | 50.23 | 40.02 | 36.87 | 49.22 | |||||||||||||
MIN | 19.67 | 18.26 | 33.35 | 38.75 | 48.52 | 60.05 | 68.22 | 65.78 | 56.38 | 43.05 | 24.65 | 14.81 | 45.05 | |||||||||||||
YRS | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |