YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.19 | 36.63 | 24.16 | 6.52 | a | 6.32 | 22.77 | g | ||||
1949 | -0.68 | 3.25 | 13.10 | 20.87 | 28.71 | 35.90 | a | 41.00 | 38.19 | 34.13 | 22.90 | 20.48 | a | 6.67 | a | 22.04 | ||||||||||
1950 | 5.76 | b | 8.58 | d | 8.34 | b | 18.21 | a | 24.16 | 35.87 | 39.39 | 37.13 | 33.03 | a | 30.06 | 17.60 | 11.94 | 22.51 | ||||||||
1951 | 4.20 | a | 8.14 | 7.71 | 18.87 | 28.94 | 32.55 | a | 42.32 | 40.84 | 33.27 | 23.74 | 11.07 | 6.50 | a | 21.51 | ||||||||||
1952 | 6.26 | 4.15 | b | 5.00 | 20.27 | 28.73 | a | 38.90 | 41.97 | 40.39 | 35.40 | 27.40 | a | 9.83 | 6.06 | 22.03 | ||||||||||
1953 | 12.26 | 4.36 | 13.33 | a | 17.60 | 25.74 | 37.45 | j | 43.48 | 39.42 | 34.93 | 25.16 | 17.67 | 4.26 | 21.66 | a | ||||||||||
1954 | 12.03 | a | 12.14 | 9.19 | 23.83 | 30.00 | 36.83 | 43.03 | 40.13 | a | 36.47 | 27.32 | 18.40 | 7.71 | 24.76 | |||||||||||
1955 | 3.32 | -1.19 | a | 8.67 | a | 16.57 | 27.13 | 33.91 | g | 41.23 | 42.03 | 35.23 | 25.16 | 12.60 | 12.18 | c | 20.27 | a | ||||||||
1956 | 11.30 | a | 2.04 | a | 10.16 | 19.23 | 31.19 | 38.87 | 40.52 | 38.35 | 35.60 | 24.71 | 8.34 | a | 7.28 | b | 22.30 | |||||||||
1957 | 5.03 | 14.71 | 11.52 | 17.07 | 26.87 | 35.86 | a | 42.42 | 41.42 | 31.87 | 27.00 | 9.72 | a | 9.29 | 22.73 | |||||||||||
1958 | 5.23 | a | 11.86 | 7.52 | 16.40 | 31.39 | 39.53 | 42.04 | f | 42.42 | 34.70 | 26.35 | 16.67 | 12.52 | 22.23 | a | ||||||||||
1959 | 7.52 | 6.36 | 8.90 | 18.77 | 29.71 | 38.93 | c | 41.40 | k | 41.61 | 33.23 | 22.90 | a | 13.76 | a | 10.65 | 21.12 | a | ||||||||
1960 | 4.84 | 0.89 | a | 14.20 | a | 20.46 | b | 27.65 | 38.73 | 42.41 | n | 40.42 | 35.60 | 25.55 | 16.70 | 7.03 | a | 21.10 | a | |||||||
1961 | 6.68 | 7.68 | 12.74 | 18.67 | 28.90 | 37.04 | f | 40.23 | e | 42.06 | 29.63 | 23.61 | 10.77 | 3.19 | 20.38 | a | ||||||||||
1962 | 3.53 | a | 11.21 | 6.71 | 23.20 | 28.45 | 34.60 | 39.60 | f | 39.68 | 35.10 | 27.71 | 19.63 | 11.48 | 21.94 | a | ||||||||||
1963 | 2.48 | 10.89 | 9.73 | a | 20.03 | 30.90 | b | 36.38 | a | 42.89 | c | 41.87 | ----- | z | 30.74 | 19.00 | 6.80 | a | 22.88 | a | ||||||
1964 | ----- | z | -0.31 | 5.55 | 17.50 | 27.97 | 34.43 | 42.55 | 39.00 | 34.17 | 27.30 | a | 14.27 | 7.42 | 22.71 | a | ||||||||||
1965 | 9.19 | 4.57 | 7.23 | 19.17 | 26.23 | 31.83 | 39.23 | 35.81 | 29.47 | 23.84 | 16.00 | 8.00 | 20.88 | |||||||||||||
1966 | -1.42 | -0.54 | 10.45 | 16.90 | 27.87 | 33.70 | 42.60 | a | 39.16 | 33.80 | 22.74 | 17.67 | 5.29 | 20.69 | ||||||||||||
1967 | 6.94 | 4.43 | 16.65 | 19.43 | 26.19 | 33.60 | 41.55 | 37.26 | 33.40 | 25.84 | 15.23 | 2.26 | 21.90 | |||||||||||||
1968 | 6.74 | 9.28 | 10.52 | 15.60 | 25.71 | 35.03 | 39.94 | 38.03 | 30.23 | 24.45 | 8.43 | 5.87 | 20.82 | |||||||||||||
1969 | 9.32 | 4.14 | 6.10 | 21.70 | 30.23 | 33.97 | 42.35 | 41.10 | 33.80 | 18.03 | 11.57 | 9.26 | 21.80 | |||||||||||||
1970 | 3.97 | 8.14 | 7.16 | 12.27 | 27.35 | 34.33 | 40.26 | 40.68 | 31.00 | 19.71 | 14.73 | 7.94 | 20.63 | |||||||||||||
1971 | 7.71 | 3.71 | 8.19 | 18.90 | 24.87 | 34.77 | 39.48 | 38.55 | 28.43 | ----- | z | ----- | z | ----- | z | 22.74 | c | |||||||||
1972 | 1.90 | 4.28 | 13.16 | 18.37 | 24.13 | 33.10 | 36.29 | 35.94 | 30.40 | 24.68 | 2.50 | -3.19 | 18.46 | |||||||||||||
1973 | -3.77 | -2.68 | ----- | z | 10.00 | 25.52 | 30.10 | 36.19 | 36.07 | d | 29.00 | 20.52 | ----- | z | ----- | z | 20.11 | c | ||||||||
1974 | -1.19 | -2.89 | 14.42 | 13.33 | 26.81 | ----- | z | 36.35 | 32.84 | 27.00 | 23.68 | 6.10 | -3.00 | 15.77 | a | |||||||||||
1975 | -1.58 | -3.25 | 5.73 | a | 12.07 | b | 22.81 | 29.30 | c | 36.72 | b | 33.72 | f | 27.00 | t | 17.62 | o | 5.69 | n | ----- | z | 14.54 | e | |||
1976 | -1.81 | o | 7.87 | n | ----- | z | 17.78 | l | 24.93 | q | 31.33 | r | ----- | 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 | 25.42 | 18.10 | 9.23 | 17.58 | i | |||
1982 | 6.26 | 5.14 | 12.81 | 15.93 | 26.65 | ----- | z | ----- | z | 40.39 | ----- | z | ----- | z | ----- | z | ----- | z | 17.86 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 4.96 | 4.97 | 9.81 | 17.90 | 27.53 | 35.09 | 40.52 | 39.32 | 32.91 | 24.84 | 13.59 | 6.88 | 21.65 | |||||||||||||
S.D. | 4.21 | 4.89 | 3.13 | 3.20 | 2.23 | 2.77 | 2.30 | 2.30 | 2.69 | 2.82 | 4.76 | 3.93 | 1.41 | |||||||||||||
SKEW | -0.24 | 0.05 | 0.35 | -0.58 | -0.09 | -0.17 | -0.74 | -0.89 | -0.58 | -0.22 | -0.52 | -1.01 | -0.08 | |||||||||||||
MAX | 12.26 | 14.71 | 16.65 | 23.83 | 31.39 | 39.53 | 43.48 | 42.42 | 36.63 | 30.74 | 20.48 | 12.52 | 24.76 | |||||||||||||
MIN | -3.77 | -3.25 | 5.00 | 10.00 | 22.81 | 29.30 | 36.19 | 32.84 | 27.00 | 18.03 | 2.50 | -3.19 | 18.46 | |||||||||||||
YRS | 27 | 28 | 27 | 28 | 28 | 23 | 23 | 28 | 26 | 27 | 26 | 26 | 14 |