YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.29 | x | 63.56 | f | 52.70 | 44.16 | 32.07 | 27.84 | 39.19 | h | ||||
1952 | 29.74 | 26.00 | 29.55 | b | ----- | z | 44.58 | 59.10 | 60.55 | 63.42 | 53.47 | 41.03 | 29.43 | 26.58 | 42.13 | a | ||||||||||
1953 | 31.26 | 25.82 | 36.65 | 37.87 | 43.26 | 58.03 | 62.06 | 58.45 | 52.33 | 42.77 | 33.87 | 18.19 | 41.71 | |||||||||||||
1954 | 27.26 | 33.25 | 30.81 | 44.63 | 49.03 | 54.93 | b | 61.77 | 59.90 | 54.10 | 44.77 | 32.03 | 27.58 | 43.34 | ||||||||||||
1955 | 24.80 | a | 22.07 | 31.83 | a | 38.47 | 45.87 | 53.90 | 59.06 | 58.26 | 52.97 | 43.74 | 30.00 | 27.06 | 40.67 | |||||||||||
1956 | 27.58 | 22.41 | 32.74 | 36.33 | 47.84 | 58.13 | 58.61 | 58.26 | 52.40 | 43.68 | 28.83 | 27.16 | 41.17 | |||||||||||||
1957 | 27.23 | 37.04 | 34.87 | 37.53 | 45.60 | a | 55.17 | 61.37 | a | 60.16 | 49.53 | 44.90 | 30.27 | 31.42 | 42.92 | |||||||||||
1958 | 25.48 | 31.36 | 30.71 | 38.23 | 48.68 | 58.33 | 61.42 | 60.52 | 54.80 | 43.52 | 32.70 | 26.68 | 42.70 | |||||||||||||
1959 | 25.52 | 26.32 | 30.20 | a | 39.97 | 47.68 | 57.13 | 58.39 | 60.32 | 51.00 | 41.84 | 29.67 | 29.48 | 41.46 | ||||||||||||
1960 | 24.23 | 23.45 | 32.87 | 39.63 | 45.19 | 57.23 | 59.26 | 58.35 | 52.80 | 42.16 | 34.17 | 22.87 | 41.02 | |||||||||||||
1961 | 21.52 | 27.46 | 33.94 | 37.79 | a | 45.77 | 53.10 | 55.90 | 58.23 | 48.13 | 40.71 | 31.43 | 28.77 | 40.23 | ||||||||||||
1962 | 22.84 | 35.11 | 32.32 | 38.30 | 43.45 | 51.13 | 55.35 | 55.32 | 52.40 | 40.65 | 33.86 | a | 29.84 | 40.88 | ||||||||||||
1963 | 19.84 | 31.82 | 31.65 | 42.03 | 50.32 | 53.87 | 61.77 | 60.65 | 54.70 | 46.26 | 33.07 | 23.39 | 42.45 | |||||||||||||
1964 | 20.81 | 22.03 | 32.39 | 38.67 | 48.90 | 54.50 | 60.74 | 60.42 | 53.17 | 42.35 | 33.30 | 28.32 | 41.30 | |||||||||||||
1965 | 29.81 | 24.14 | 26.71 | 41.37 | 48.03 | 54.93 | 60.45 | 57.16 | 51.03 | 39.13 | 36.23 | 29.10 | 41.51 | |||||||||||||
1966 | 18.35 | 22.29 | 33.94 | 40.23 | 47.74 | 54.10 | 62.58 | 58.00 | 53.20 | 39.19 | 34.30 | 25.77 | 40.81 | |||||||||||||
1967 | 23.10 | 26.07 | 35.61 | 41.37 | 47.19 | 55.37 | 60.52 | 57.35 | 53.03 | 41.48 | 33.93 | 22.90 | 41.49 | |||||||||||||
1968 | 27.03 | 30.45 | 32.65 | 37.63 | 47.32 | 57.03 | 58.65 | 57.94 | 48.90 | 41.97 | 31.90 | 26.26 | 41.48 | |||||||||||||
1969 | 35.58 | 34.32 | 32.83 | a | 46.60 | 52.03 | 56.53 | 62.58 | 61.29 | 54.47 | 41.29 | 31.60 | 27.00 | 44.68 | ||||||||||||
1970 | 24.48 | 31.14 | 28.84 | 37.93 | 44.48 | 52.87 | 60.39 | 58.32 | 52.43 | 37.55 | 30.50 | 27.77 | 40.56 | |||||||||||||
1971 | 27.13 | 24.14 | 32.16 | 36.03 | 45.19 | 53.43 | 58.23 | 56.06 | 49.57 | 42.19 | 33.80 | 26.94 | 40.41 | |||||||||||||
1972 | 28.71 | 26.66 | 38.35 | 43.97 | 46.32 | 59.90 | 60.48 | 60.71 | 53.33 | ----- | z | ----- | z | ----- | z | 46.49 | c | |||||||||
1973 | ----- | z | ----- | z | ----- | z | 35.16 | k | 45.97 | 51.03 | 58.61 | 56.65 | 52.59 | a | 38.58 | 30.63 | 23.42 | 44.68 | d | |||||||
1974 | 25.77 | 24.61 | 34.61 | 38.17 | 50.29 | 55.41 | a | 60.68 | 56.68 | 50.77 | 44.13 | 33.13 | 26.58 | 41.74 | ||||||||||||
1975 | 24.39 | 26.71 | 30.06 | 34.40 | 42.45 | 53.63 | 58.39 | 56.61 | 52.67 | o | ----- | z | ----- | z | 23.53 | p | 40.83 | d | ||||||||
1976 | 23.61 | 30.34 | 33.19 | 39.00 | 44.84 | 52.73 | 56.03 | 55.00 | 50.77 | 34.87 | a | 27.13 | ----- | z | 40.68 | a | ||||||||||
1977 | ----- | z | ----- | z | ----- | z | 41.52 | e | 48.58 | 57.37 | 60.00 | 62.07 | c | 54.27 | 43.00 | ----- | z | 31.52 | 49.79 | d | ||||||
1978 | ----- | z | ----- | z | ----- | z | 40.90 | 47.06 | 55.33 | 59.58 | 57.58 | 51.32 | e | 40.84 | ----- | z | ----- | z | 50.37 | e | ||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.84 | 50.30 | 42.42 | ----- | z | ----- | z | 49.52 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.67 | 27.71 | 32.48 | 39.54 | 46.80 | 55.34 | 59.76 | 58.55 | 52.16 | 41.82 | 31.99 | 26.77 | 41.63 | |||||||||||||
S.D. | 3.83 | 4.47 | 2.56 | 2.79 | 2.31 | 2.33 | 1.94 | 2.11 | 1.78 | 2.46 | 2.12 | 2.98 | 1.11 | |||||||||||||
SKEW | 0.40 | 0.49 | 0.09 | 0.70 | 0.18 | 0.07 | -0.65 | 0.33 | -0.53 | -0.79 | -0.30 | -0.91 | 1.18 | |||||||||||||
MAX | 35.58 | 37.04 | 38.35 | 46.60 | 52.03 | 59.90 | 62.58 | 63.42 | 54.80 | 46.26 | 36.23 | 31.52 | 44.68 | |||||||||||||
MIN | 18.35 | 22.03 | 26.71 | 34.40 | 42.45 | 51.03 | 55.35 | 55.00 | 48.13 | 34.87 | 27.13 | 18.19 | 40.23 | |||||||||||||
YRS | 24 | 24 | 24 | 25 | 27 | 27 | 27 | 28 | 28 | 27 | 24 | 24 | 20 |