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 | 57.88 | n | 59.10 | 61.69 | 51.40 | a | 43.81 | 32.05 | 27.74 | 45.96 | f | |||||
1959 | 22.02 | 25.48 | a | 28.10 | 38.52 | 49.45 | a | 57.58 | 59.74 | 56.92 | 49.98 | 39.53 | 31.18 | 26.88 | a | 40.45 | ||||||||||
1960 | 20.89 | 17.26 | 32.62 | a | 40.37 | 46.11 | 56.43 | 62.32 | 60.16 | 54.75 | 42.65 | 31.10 | a | 18.93 | a | 40.30 | ||||||||||
1961 | 19.02 | a | 24.68 | 30.48 | 36.82 | 47.82 | a | 57.75 | 60.82 | 58.07 | a | 43.48 | a | 38.69 | 26.47 | a | 18.34 | b | 38.54 | |||||||
1962 | 15.47 | 27.56 | b | 24.68 | a | 43.55 | 49.23 | 55.52 | 59.79 | 58.97 | 53.67 | 47.77 | 37.82 | 27.58 | 41.80 | |||||||||||
1963 | 20.52 | d | 29.77 | 27.69 | 32.62 | 44.94 | 55.60 | a | 61.87 | 57.34 | 54.85 | 49.21 | 36.85 | 27.47 | 41.56 | |||||||||||
1964 | 18.67 | d | 14.24 | 16.31 | ----- | z | ----- | z | ----- | z | ----- | z | 51.92 | s | 51.93 | 47.67 | b | 34.09 | b | 27.11 | c | 30.00 | e | |||
1965 | 28.70 | p | 26.11 | a | 28.55 | b | 45.66 | b | 47.78 | a | 55.68 | 60.68 | 58.31 | 47.03 | 46.95 | 39.16 | b | 27.43 | b | 43.94 | a | |||||
1966 | 27.95 | c | 19.36 | 31.90 | 38.60 | d | 50.68 | a | 55.47 | 64.56 | 60.89 | 55.41 | a | 41.85 | a | 35.66 | a | 22.77 | 42.09 | |||||||
1967 | 27.37 | l | 24.32 | 33.95 | 39.48 | a | 45.45 | 52.83 | 61.60 | 60.92 | 53.07 | 44.82 | a | 35.48 | 17.08 | a | 42.64 | a | ||||||||
1968 | 19.95 | 25.98 | 30.82 | 33.22 | 45.08 | 56.02 | 60.35 | 56.52 | 50.50 | a | 43.98 | b | 28.90 | a | 20.60 | a | 39.33 | |||||||||
1969 | 25.35 | 24.27 | 24.97 | 42.48 | 51.48 | 52.77 | 63.07 | a | 63.17 | a | 54.45 | 37.40 | a | ----- | z | 23.06 | 42.04 | a | ||||||||
1970 | 20.82 | 28.70 | 27.15 | 32.35 | 48.05 | 54.26 | a | 61.35 | 61.92 | a | 50.80 | 37.06 | 30.97 | 23.50 | 39.74 | |||||||||||
1971 | 24.13 | a | 21.43 | 28.15 | a | 39.53 | a | 45.69 | 55.58 | 61.48 | 61.76 | 49.00 | a | 42.79 | ----- | z | ----- | z | 42.96 | 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 | 42.37 | a | 34.69 | a | 20.23 | a | 32.43 | i |
2000 | 23.13 | a | 27.46 | b | 29.68 | 41.76 | a | 48.10 | b | 55.52 | a | 61.34 | 62.47 | a | 51.59 | a | 42.15 | a | 18.45 | 20.47 | 40.18 | |||||
2001 | 16.35 | a | 23.67 | b | 30.76 | 37.98 | b | 43.97 | b | 54.87 | 62.72 | a | 63.27 | a | ----- | z | 46.93 | c | ----- | z | ----- | z | 42.28 | c | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.10 | 24.02 | 28.39 | 38.78 | 47.42 | 55.42 | 61.39 | 60.16 | 51.46 | 43.27 | 32.35 | 23.28 | 40.44 | |||||||||||||
S.D. | 3.48 | 4.31 | 4.25 | 4.03 | 2.28 | 1.44 | 1.42 | 2.30 | 3.24 | 3.69 | 5.34 | 3.85 | 1.19 | |||||||||||||
SKEW | 0.26 | -0.89 | -1.47 | -0.20 | 0.22 | -0.36 | 0.46 | -0.23 | -0.94 | -0.14 | -1.20 | -0.12 | -0.02 | |||||||||||||
MAX | 27.95 | 29.77 | 33.95 | 45.66 | 51.48 | 57.75 | 64.56 | 63.27 | 55.41 | 49.21 | 39.16 | 27.74 | 42.09 | |||||||||||||
MIN | 15.47 | 14.24 | 16.31 | 32.35 | 43.97 | 52.77 | 59.10 | 56.52 | 43.48 | 37.06 | 18.45 | 17.08 | 38.54 | |||||||||||||
YRS | 13 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 17 | 14 | 15 | 9 |