YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.70 | 49.56 | d | 50.68 | c | 42.14 | b | 31.43 | a | 27.13 | 8.90 | 37.65 | e | |||
1949 | -7.23 | 13.46 | 30.10 | 33.63 | 43.43 | a | 45.23 | 48.37 | d | 48.61 | 43.60 | 29.70 | a | 32.41 | a | 20.71 | 31.84 | |||||||||
1950 | -4.35 | 18.32 | 29.03 | 32.41 | a | 38.71 | 49.10 | 51.45 | b | 50.90 | b | 42.52 | a | 37.63 | a | 29.45 | a | 26.94 | 33.51 | |||||||
1951 | 21.39 | 22.65 | b | 24.57 | a | 32.59 | a | 41.03 | 46.80 | 50.65 | 49.14 | b | 43.15 | c | 36.03 | a | 25.78 | c | 16.20 | a | 34.16 | |||||
1952 | 13.52 | 22.97 | 26.43 | a | 34.31 | a | 41.06 | 47.57 | b | 51.37 | a | 49.48 | 44.73 | d | 34.60 | a | 19.97 | 26.32 | 34.36 | |||||||
1953 | 30.63 | a | 26.59 | a | 29.28 | b | 33.50 | 38.50 | a | 43.37 | 48.97 | 50.26 | 43.36 | b | 34.42 | 29.90 | 27.19 | 36.33 | ||||||||
1954 | 17.83 | a | 29.57 | 26.57 | a | 31.50 | b | 42.03 | a | 46.14 | a | 50.21 | c | 49.43 | a | 45.07 | a | 33.07 | a | 34.14 | a | 23.48 | 35.75 | |||
1955 | 23.77 | 21.32 | 24.35 | 30.93 | b | 39.52 | 50.17 | 53.21 | b | 49.00 | a | 44.97 | a | 36.23 | 22.67 | 18.10 | a | 34.52 | ||||||||
1956 | 24.29 | 16.90 | 29.94 | 37.57 | 46.52 | 47.70 | 55.17 | a | 51.93 | a | 43.83 | 37.68 | 26.21 | a | 24.63 | a | 36.86 | |||||||||
1957 | 6.65 | 18.35 | b | 33.92 | f | 37.27 | 48.73 | a | 50.29 | b | 51.45 | 48.39 | c | 46.43 | b | 38.29 | 26.60 | 28.52 | 36.45 | a | ||||||
1958 | 28.65 | 35.79 | 29.84 | 35.83 | 46.83 | b | 54.53 | 57.13 | 54.50 | a | 44.00 | 34.23 | 27.97 | 27.74 | 39.75 | |||||||||||
1959 | 24.32 | 26.18 | 31.50 | a | 36.37 | 39.47 | a | 47.13 | 51.10 | 47.90 | 46.34 | a | 36.27 | a | 22.73 | 25.03 | 36.20 | |||||||||
1960 | 11.16 | 25.93 | a | 28.80 | a | 35.57 | 39.87 | 47.14 | a | 54.58 | 49.07 | a | 43.10 | 35.43 | a | 27.28 | a | 20.74 | 34.89 | |||||||
1961 | 24.71 | 32.04 | 32.68 | 34.28 | a | 42.63 | a | 51.00 | 54.32 | 55.10 | b | 39.93 | a | 30.57 | a | 20.13 | 21.32 | 36.56 | ||||||||
1962 | 16.84 | 26.63 | a | 28.19 | 36.10 | 40.38 | b | 44.73 | 51.10 | 51.59 | b | 43.83 | 35.71 | 31.31 | a | 28.13 | 36.21 | |||||||||
1963 | 13.61 | 27.93 | 31.03 | 36.17 | a | 39.10 | a | 48.43 | 51.03 | b | 51.06 | 47.10 | 37.47 | a | 30.63 | 23.03 | a | 36.38 | ||||||||
1964 | 23.81 | 23.55 | 27.62 | b | 32.07 | 40.29 | 48.38 | a | 52.87 | 48.20 | a | 40.37 | 32.32 | 29.07 | 16.97 | 34.63 | ||||||||||
1965 | 22.71 | 25.39 | 24.65 | 36.83 | a | 38.19 | 46.90 | 53.97 | 54.69 | b | 39.79 | a | 34.00 | 34.13 | 25.03 | a | 36.36 | |||||||||
1966 | 22.52 | 26.71 | 30.87 | 34.07 | a | 40.77 | 45.90 | 50.90 | 51.61 | 48.13 | 34.23 | a | 31.87 | 28.48 | 37.17 | |||||||||||
1967 | 27.94 | 28.54 | 28.74 | 31.10 | 39.55 | 50.87 | 52.06 | 52.48 | 45.50 | 35.68 | 25.47 | 20.19 | 36.51 | |||||||||||||
1968 | 22.77 | 27.03 | 30.26 | 30.40 | 40.37 | a | 49.33 | f | 54.58 | 51.70 | a | 46.37 | 33.90 | 31.31 | a | 22.70 | a | 35.58 | a | |||||||
1969 | 7.60 | a | 21.32 | 30.00 | 38.00 | 43.84 | 52.70 | 51.19 | 47.71 | 45.31 | a | 31.87 | 27.40 | 28.13 | a | 35.42 | ||||||||||
1970 | 21.10 | 28.71 | 29.39 | 31.30 | 38.97 | 52.27 | 54.23 | 50.45 | 38.20 | 31.74 | 27.13 | 17.35 | 35.07 | |||||||||||||
1971 | 22.13 | 25.50 | 26.61 | 33.17 | 43.16 | 46.63 | 53.10 | 51.50 | c | 38.57 | 30.00 | 29.13 | 14.84 | 34.53 | ||||||||||||
1972 | 16.23 | 22.48 | 31.13 | 30.90 | 44.13 | 50.53 | 52.74 | 54.32 | 41.70 | 32.68 | 31.37 | 17.58 | 35.48 | |||||||||||||
1973 | 19.39 | 27.57 | 30.61 | 34.87 | 41.65 | 48.30 | 52.29 | 49.19 | 46.20 | 36.48 | 28.75 | b | 28.87 | 37.01 | ||||||||||||
1974 | 17.61 | 30.11 | 30.77 | 36.87 | 39.77 | 49.97 | 52.13 | 50.39 | 44.37 | 31.03 | 31.50 | 25.81 | 36.69 | |||||||||||||
1975 | 19.00 | 22.64 | 28.45 | 32.13 | 41.39 | 47.30 | 57.94 | 50.32 | 42.73 | 37.52 | 26.13 | 23.74 | l | 36.87 | a | |||||||||||
1976 | 21.32 | 25.76 | 27.06 | 35.30 | 39.26 | 45.33 | 53.10 | 51.19 | 45.80 | 32.68 | 24.03 | 19.23 | 35.01 | |||||||||||||
1977 | 16.19 | 27.21 | 29.90 | 37.30 | 39.87 | 52.47 | 50.87 | 54.84 | 41.04 | d | 31.97 | 27.00 | ----- | z | 37.15 | a | ||||||||||
1978 | 23.81 | 30.96 | 34.26 | 37.37 | 39.81 | 46.07 | 50.81 | 48.03 | 42.50 | d | ----- | z | ----- | z | 11.61 | 36.52 | b | |||||||||
1979 | 3.68 | 20.61 | 26.77 | 32.10 | 40.26 | 45.23 | 49.68 | 47.83 | a | 42.00 | c | 38.32 | 23.83 | 26.52 | 33.07 | |||||||||||
1980 | 12.74 | 26.76 | 30.32 | 37.97 | 43.19 | 45.07 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.68 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.70 | 25.17 | 29.02 | 34.37 | 41.32 | 48.34 | 52.25 | 50.67 | 43.52 | 34.30 | 27.82 | 22.34 | 35.55 | |||||||||||||
S.D. | 8.82 | 4.65 | 2.33 | 2.43 | 2.56 | 2.85 | 2.19 | 2.20 | 2.49 | 2.56 | 3.69 | 5.35 | 1.57 | |||||||||||||
SKEW | -1.20 | -0.33 | -0.25 | -0.05 | 1.25 | 0.45 | 0.66 | 0.60 | -0.35 | -0.08 | -0.32 | -0.71 | 0.07 | |||||||||||||
MAX | 30.63 | 35.79 | 34.26 | 38.00 | 48.73 | 54.53 | 57.94 | 55.10 | 48.13 | 38.32 | 34.14 | 28.87 | 39.75 | |||||||||||||
MIN | -7.23 | 13.46 | 24.35 | 30.40 | 38.19 | 43.37 | 48.37 | 47.71 | 38.20 | 29.70 | 19.97 | 8.90 | 31.84 | |||||||||||||
YRS | 32 | 32 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 26 |