YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.14 | h | 20.39 | 20.39 | k | |
1945 | 13.41 | b | 17.93 | 14.19 | 23.37 | 31.90 | 37.95 | j | 47.23 | 44.90 | 41.83 | 35.45 | 22.80 | 20.55 | 28.51 | a | ||||||||||
1946 | 19.29 | 18.14 | 21.06 | 26.60 | 31.48 | 38.93 | 45.68 | 44.29 | 38.07 | a | 26.35 | 20.17 | 19.90 | 29.16 | ||||||||||||
1947 | 18.10 | 26.96 | b | 25.52 | 28.47 | 35.83 | a | 37.10 | 41.77 | 41.32 | 40.55 | a | 31.13 | ----- | z | 20.42 | 31.56 | a | ||||||||
1948 | 24.71 | 16.00 | 16.81 | 24.27 | 28.38 | b | 38.50 | 43.45 | 41.77 | e | 39.04 | e | 33.65 | e | ----- | z | ----- | z | 30.66 | b | ||||||
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 | 23.40 | e | 31.61 | 40.00 | 44.87 | 44.52 | 43.70 | 33.81 | 23.43 | 23.87 | 34.36 | c | ||||||||
1980 | 23.29 | 23.03 | 18.13 | 23.80 | 28.26 | 34.30 | 46.16 | 44.45 | 39.20 | 34.39 | 27.60 | 25.19 | 30.65 | |||||||||||||
1981 | 23.77 | 20.21 | 20.74 | 26.33 | 31.77 | 42.50 | 44.61 | 47.71 | 43.20 | 28.71 | 26.47 | 24.19 | 31.69 | |||||||||||||
1982 | 18.88 | g | 24.28 | j | 19.75 | g | 21.73 | h | 33.33 | g | 37.39 | g | 45.92 | e | 46.83 | g | 38.56 | e | 31.17 | g | 23.32 | h | 19.96 | h | 42.24 | j |
1983 | 22.65 | h | 21.60 | h | 21.27 | i | 20.63 | k | 30.92 | f | 36.65 | d | 41.39 | m | 45.28 | f | 43.32 | b | 35.17 | a | 24.67 | f | 24.09 | i | 38.38 | i |
1984 | 23.62 | g | 21.33 | h | 24.57 | h | 22.82 | h | 35.13 | h | 39.35 | g | 50.83 | g | 48.81 | e | 43.54 | f | 30.08 | g | 23.10 | j | 18.00 | c | 33.40 | j |
1985 | 21.23 | 18.96 | a | 18.53 | a | 30.90 | 33.45 | 46.00 | a | 51.17 | a | 46.65 | 37.21 | a | 32.68 | 22.21 | b | 22.87 | 31.82 | |||||||
1986 | 27.50 | a | 24.07 | a | 26.77 | 26.89 | b | 32.19 | 44.23 | 45.23 | 50.55 | b | 35.33 | 31.10 | 27.00 | 22.32 | 32.77 | |||||||||
1987 | 17.23 | a | 19.32 | 21.55 | 31.37 | 35.57 | a | 44.33 | 43.29 | 49.13 | 46.43 | 42.00 | 27.20 | 18.86 | b | 33.02 | ||||||||||
1988 | 20.77 | 25.24 | 25.52 | 29.00 | a | 31.84 | 43.10 | a | 53.71 | 52.03 | 45.43 | 43.65 | 26.73 | 21.45 | 34.87 | |||||||||||
1989 | 21.17 | b | 17.68 | 24.58 | 31.21 | a | 33.10 | 44.17 | 50.74 | 46.61 | 42.70 | 33.52 | 30.86 | a | 28.93 | a | 33.77 | |||||||||
1990 | 22.67 | a | 17.21 | 25.87 | 32.70 | 33.03 | a | 41.80 | 51.43 | a | 48.61 | 45.31 | a | 39.52 | 28.37 | 18.48 | 33.75 | |||||||||
1991 | 25.27 | a | 29.36 | 18.55 | 24.43 | 28.70 | a | 39.93 | 51.39 | 49.43 | a | 48.47 | 41.16 | 30.30 | 25.47 | a | 34.37 | |||||||||
1992 | 25.68 | 25.66 | 26.33 | a | 33.63 | 41.87 | 43.23 | 47.61 | 51.90 | 45.47 | 39.03 | a | 28.13 | 19.70 | a | 35.69 | ||||||||||
1993 | 18.72 | b | 19.25 | 28.07 | a | 26.57 | 34.19 | 39.63 | 45.70 | h | 45.32 | l | 43.96 | e | 38.10 | k | ----- | z | 18.94 | m | 30.06 | e | ||||
1994 | ----- | z | ----- | z | 27.86 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.86 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.52 | 21.27 | 22.51 | 27.68 | 32.70 | 40.90 | 47.14 | 47.04 | 42.10 | 35.08 | 26.25 | 21.91 | 32.87 | |||||||||||||
S.D. | 3.74 | 4.11 | 4.35 | 3.45 | 3.31 | 3.29 | 3.52 | 3.30 | 3.60 | 4.86 | 3.19 | 3.00 | 1.92 | |||||||||||||
SKEW | -0.42 | 0.57 | -0.35 | 0.28 | 1.12 | -0.33 | 0.39 | -0.16 | -0.17 | 0.16 | -0.45 | 0.74 | -0.43 | |||||||||||||
MAX | 27.50 | 29.36 | 28.07 | 33.63 | 41.87 | 46.00 | 53.71 | 52.03 | 48.47 | 43.65 | 30.86 | 28.93 | 35.69 | |||||||||||||
MIN | 13.41 | 16.00 | 14.19 | 23.37 | 28.26 | 34.30 | 41.77 | 41.32 | 35.33 | 26.35 | 20.17 | 18.00 | 29.16 | |||||||||||||
YRS | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 18 | 16 | 13 | 16 | 11 |