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 | 36.12 | n | 39.29 | 42.23 | 33.48 | a | 25.29 | 16.63 | 14.90 | 28.64 | f | |||||
1959 | 8.35 | 11.54 | 14.26 | 24.03 | 35.45 | 37.47 | 39.13 | 40.42 | 33.37 | 25.84 | 16.30 | 12.07 | a | 24.85 | ||||||||||||
1960 | 8.06 | 2.83 | 19.42 | 24.87 | 29.16 | 36.30 | 41.48 | 39.48 | 34.87 | 26.26 | 16.80 | 5.55 | 23.76 | |||||||||||||
1961 | 3.37 | a | 11.57 | 17.16 | 24.83 | 30.53 | a | 37.87 | 39.77 | 41.37 | a | 31.30 | 23.45 | 13.73 | 7.13 | a | 23.51 | |||||||||
1962 | 1.19 | 14.48 | a | 8.94 | 27.23 | 35.29 | 37.03 | 38.87 | 38.42 | 34.30 | 31.87 | 19.53 | 12.84 | 25.00 | ||||||||||||
1963 | 4.64 | c | 15.57 | 12.35 | 22.43 | 27.65 | 35.66 | a | 38.90 | 41.58 | 36.63 | 32.58 | 23.03 | 15.00 | 25.50 | |||||||||||
1964 | 3.48 | d | 1.72 | 1.19 | ----- | z | ----- | z | ----- | z | ----- | z | 33.08 | s | 33.43 | 27.47 | a | 21.21 | a | 13.38 | b | 14.56 | e | |||
1965 | 18.06 | o | 12.00 | 16.03 | a | 33.93 | b | 31.70 | a | 38.10 | 41.74 | 38.61 | 30.50 | 26.26 | 23.18 | b | 14.97 | a | 27.91 | a | ||||||
1966 | 11.54 | c | 5.57 | 17.58 | 21.85 | d | 33.74 | 36.87 | 46.23 | 42.42 | 37.57 | 26.10 | 23.30 | 11.03 | 26.15 | |||||||||||
1967 | 17.26 | l | 10.25 | 20.81 | 25.60 | 30.03 | 36.43 | 44.32 | 42.52 | 35.67 | 27.57 | a | 19.77 | 4.17 | a | 27.01 | a | |||||||||
1968 | 4.87 | 13.48 | 16.26 | 19.63 | 29.32 | 36.77 | 42.06 | 41.39 | 32.67 | 27.58 | 16.03 | 8.52 | 24.05 | |||||||||||||
1969 | 13.19 | 10.89 | 10.52 | 27.43 | 34.10 | 36.73 | 44.10 | a | 45.13 | a | 37.87 | 24.74 | ----- | z | 10.23 | 26.81 | a | |||||||||
1970 | 9.26 | 14.64 | 15.10 | 19.17 | 30.84 | 37.13 | 43.52 | 44.06 | 33.87 | 23.42 | 20.97 | 12.03 | 25.33 | |||||||||||||
1971 | 11.90 | a | 8.50 | 13.71 | 25.00 | a | 30.13 | 36.47 | 42.42 | 43.16 | 30.47 | 27.87 | ----- | z | ----- | z | 26.96 | b | ||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.03 | a | 16.07 | a | 4.90 | a | 13.67 | i |
2000 | 8.03 | a | 12.57 | a | 13.90 | 23.43 | 32.14 | b | 34.90 | a | 42.26 | 43.16 | 33.83 | a | 26.30 | a | 3.17 | 3.61 | 23.11 | |||||||
2001 | -2.10 | a | 9.08 | b | 17.74 | 22.86 | b | 27.17 | b | 35.27 | 43.17 | a | 41.47 | a | ----- | z | 29.79 | c | ----- | z | ----- | z | 24.94 | c | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 6.60 | 10.31 | 14.33 | 24.45 | 31.23 | 36.64 | 41.82 | 41.69 | 33.99 | 26.61 | 17.84 | 10.02 | 24.58 | |||||||||||||
S.D. | 4.49 | 4.16 | 4.83 | 3.66 | 2.64 | 0.91 | 2.26 | 1.89 | 2.28 | 3.04 | 5.24 | 4.09 | 1.03 | |||||||||||||
SKEW | -0.29 | -0.84 | -1.30 | 1.00 | 0.22 | -0.34 | 0.17 | -0.17 | 0.12 | 0.08 | -1.51 | -0.30 | -0.01 | |||||||||||||
MAX | 13.19 | 15.57 | 20.81 | 33.93 | 35.45 | 38.10 | 46.23 | 45.13 | 37.87 | 32.58 | 23.30 | 15.00 | 26.15 | |||||||||||||
MIN | -2.10 | 1.72 | 1.19 | 19.17 | 27.17 | 34.90 | 38.87 | 38.42 | 30.47 | 20.03 | 3.17 | 3.61 | 23.11 | |||||||||||||
YRS | 13 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 17 | 14 | 15 | 9 |