YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.77 | 40.52 | 36.50 | 32.58 | 24.57 | 16.77 | 31.95 | f | ||||||
1949 | 6.61 | 18.96 | a | 24.87 | 27.47 | 33.32 | 35.97 | 42.74 | 39.50 | a | 38.90 | 29.81 | 30.60 | 21.97 | 29.23 | |||||||||||
1950 | 14.61 | 21.96 | 20.19 | 25.70 | 29.57 | a | 36.10 | 42.81 | 42.81 | 37.80 | 34.23 | 28.27 | 29.26 | 30.28 | ||||||||||||
1951 | 19.71 | 23.07 | 20.50 | a | 27.53 | 32.16 | 37.00 | b | 42.65 | 39.33 | a | 38.13 | 32.23 | 26.60 | 19.55 | 29.87 | ||||||||||
1952 | 16.90 | 17.00 | 19.35 | 26.50 | 32.42 | 36.13 | 43.74 | 41.45 | 39.63 | 34.26 | 22.10 | a | 21.68 | 29.26 | ||||||||||||
1953 | 27.48 | 20.96 | 22.71 | 25.53 | 29.42 | 33.27 | 39.77 | 42.13 | 39.00 | 32.00 | 30.97 | 23.77 | 30.59 | |||||||||||||
1954 | 22.32 | 23.39 | 17.74 | 26.48 | a | 31.35 | 34.97 | 40.32 | 38.45 | 35.03 | 29.94 | 29.90 | 21.39 | 29.27 | ||||||||||||
1955 | 16.94 | 16.71 | 18.42 | 21.97 | 28.61 | 35.83 | 38.74 | 37.45 | 34.89 | b | 31.13 | 23.73 | 22.20 | a | 27.22 | |||||||||||
1956 | 20.71 | 15.76 | 19.71 | 25.33 | 30.68 | 32.80 | 41.48 | 39.48 | 35.53 | 29.06 | 22.27 | 20.68 | 27.79 | |||||||||||||
1957 | 10.74 | 20.29 | 24.03 | 25.90 | 31.32 | 37.10 | a | 38.77 | 35.58 | 38.87 | 32.58 | 23.43 | 23.87 | 28.54 | ||||||||||||
1958 | 22.81 | 28.89 | 21.35 | 26.33 | 33.35 | 40.50 | 45.26 | 44.35 | 37.33 | 32.52 | 27.80 | 28.35 | 32.40 | |||||||||||||
1959 | 25.23 | 23.18 | 25.23 | 28.00 | 30.42 | 39.13 | 42.97 | 39.90 | 37.37 | 34.39 | 27.13 | 22.39 | 31.28 | |||||||||||||
1960 | 20.23 | 20.14 | 24.87 | 26.40 | 29.84 | 35.80 | 44.71 | 39.61 | 38.53 | 32.58 | 27.07 | 21.58 | 30.11 | |||||||||||||
1961 | 24.26 | 26.71 | 25.29 | 27.47 | 31.61 | 40.53 | 41.68 | 45.42 | 34.28 | a | 30.84 | 24.87 | 21.06 | 31.17 | ||||||||||||
1962 | 16.52 | 22.18 | 22.35 | 27.50 | 30.52 | 34.83 | 39.23 | 40.74 | 37.17 | 31.65 | 28.45 | a | 24.81 | 29.66 | ||||||||||||
1963 | 16.42 | 29.39 | 23.35 | 25.73 | 32.42 | 36.67 | 38.84 | 40.61 | 41.03 | 33.16 | 28.10 | 24.58 | 30.86 | |||||||||||||
1964 | 20.26 | 18.24 | 20.26 | 23.67 | 28.52 | 34.70 | 41.29 | 38.77 | 33.63 | 32.71 | 24.40 | 21.71 | 28.18 | |||||||||||||
1965 | 24.03 | 22.07 | 23.39 | 29.03 | 28.68 | 35.63 | 42.16 | 42.39 | 32.93 | 32.48 | 29.13 | 20.32 | 30.19 | |||||||||||||
1966 | 20.10 | 19.39 | 21.03 | 27.43 | 32.29 | 36.07 | 39.03 | 40.65 | 38.43 | 31.13 | 29.10 | a | 25.03 | 29.97 | ||||||||||||
1967 | 24.26 | 21.11 | 21.32 | 22.90 | 29.32 | 38.43 | 41.77 | 45.23 | 40.43 | 32.61 | 28.50 | 20.90 | 30.57 | |||||||||||||
1968 | 20.48 | 27.34 | 25.81 | 25.40 | 31.16 | 37.47 | 42.13 | 41.71 | 38.20 | 31.16 | 27.70 | 20.97 | 30.79 | |||||||||||||
1969 | 18.19 | 17.36 | 17.65 | 25.37 | 32.55 | 39.60 | 40.74 | 39.52 | 38.03 | 29.06 | 25.93 | 24.97 | 29.08 | |||||||||||||
1970 | 24.16 | 23.36 | 24.42 | 23.38 | a | 30.68 | 41.23 | 42.13 | 40.13 | 33.97 | 29.17 | g | ----- | z | ----- | z | 31.49 | c | ||||||||
1971 | ----- | z | ----- | z | 21.75 | g | 23.21 | b | ----- | z | ----- | z | ----- | z | 45.23 | 36.13 | 29.10 | 30.00 | w | 20.61 | c | 30.86 | g | |||
1972 | 20.19 | 26.69 | 27.00 | 25.47 | 31.26 | d | 37.46 | b | 44.42 | 43.10 | 34.73 | ----- | z | ----- | z | ----- | z | 32.26 | c | |||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.62 | w | 46.65 | 38.54 | b | ----- | z | 28.00 | p | ----- | z | 42.59 | j | |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 19.70 | 21.92 | 22.21 | 25.82 | 30.93 | 36.84 | 41.59 | 41.18 | 37.12 | 31.79 | 26.85 | 22.54 | 29.82 | |||||||||||||
S.D. | 4.80 | 3.89 | 2.72 | 1.77 | 1.47 | 2.23 | 1.92 | 2.66 | 2.18 | 1.61 | 2.60 | 2.78 | 1.24 | |||||||||||||
SKEW | -0.91 | 0.36 | -0.07 | -0.46 | -0.09 | 0.34 | 0.09 | 0.28 | -0.26 | -0.26 | -0.33 | 0.64 | -0.21 | |||||||||||||
MAX | 27.48 | 29.39 | 27.00 | 29.03 | 33.35 | 41.23 | 45.26 | 46.65 | 41.03 | 34.39 | 30.97 | 29.26 | 32.40 | |||||||||||||
MIN | 6.61 | 15.76 | 17.65 | 21.97 | 28.52 | 32.80 | 38.74 | 35.58 | 32.93 | 29.06 | 22.10 | 16.77 | 27.22 | |||||||||||||
YRS | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 26 | 26 | 23 | 22 | 23 | 21 |