YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | ----- | z | ----- | z | 34.61 | m | 40.53 | 47.97 | 55.43 | 62.26 | 60.35 | 52.70 | 38.90 | 32.34 | a | 26.06 | 46.28 | c | ||||||||
1940 | 22.29 | 25.86 | 31.26 | 38.20 | 47.61 | 57.30 | 61.58 | 59.52 | 51.76 | a | ----- | z | 24.14 | h | 23.55 | 41.89 | b | |||||||||
1941 | 23.61 | 27.75 | 29.55 | 31.87 | 45.06 | 49.03 | 57.55 | 55.65 | 45.83 | 35.32 | 26.59 | a | 21.00 | g | 38.89 | a | ||||||||||
1942 | 21.03 | b | 19.67 | a | 27.26 | 37.97 | 41.81 | 53.37 | 55.23 | 56.97 | 48.97 | 42.74 | 30.43 | 26.45 | 38.49 | |||||||||||
1943 | 24.55 | 26.79 | 32.13 | 40.57 | 45.97 | 52.17 | 60.77 | 59.55 | 54.03 | 41.16 | 26.93 | 22.77 | a | 40.62 | ||||||||||||
1944 | 18.45 | 22.90 | 26.61 | 33.60 | 43.06 | 47.87 | 57.47 | a | 58.35 | 53.47 | 43.00 | 28.40 | 23.10 | 38.02 | ||||||||||||
1945 | 22.19 | 26.79 | 27.00 | 34.30 | 45.68 | 52.70 | 43.21 | c | 39.68 | f | ----- | z | 38.89 | l | 26.93 | 18.39 | 33.02 | c | ||||||||
1946 | 17.90 | 22.11 | 32.71 | 39.93 | 45.06 | 55.77 | 60.94 | 59.10 | 51.87 | 36.39 | 27.03 | 24.90 | 39.48 | |||||||||||||
1947 | 17.19 | 27.79 | 32.00 | 36.97 | 49.29 | 51.10 | 59.16 | 57.61 | 57.92 | r | 43.46 | e | 25.90 | 20.19 | 38.24 | a | ||||||||||
1948 | 19.06 | 20.38 | 21.80 | a | 36.27 | 44.17 | a | 52.70 | 58.87 | 56.06 | 52.00 | 41.19 | 23.27 | 19.26 | 37.09 | |||||||||||
1949 | 9.55 | 11.75 | 28.19 | 38.37 | 41.97 | 43.75 | v | 52.38 | o | 59.92 | r | 54.87 | 38.06 | 33.53 | 18.55 | 30.54 | c | |||||||||
1950 | 18.00 | 25.25 | 29.29 | 37.97 | 41.32 | 52.33 | 59.52 | 55.61 | m | 38.17 | f | ----- | z | ----- | z | 24.90 | 36.07 | d | ||||||||
1951 | 16.52 | 23.29 | 24.42 | 35.30 | 44.28 | b | 58.47 | k | 61.52 | 58.00 | 51.13 | 39.26 | 27.73 | 21.45 | 36.63 | a | ||||||||||
1952 | 20.19 | 24.31 | 26.39 | 37.57 | 47.32 | 53.10 | 61.39 | 60.52 | 52.97 | 51.36 | q | 23.74 | c | 19.71 | 38.84 | a | ||||||||||
1953 | 26.45 | 22.75 | 27.97 | 35.30 | 37.77 | 52.40 | 61.03 | 55.97 | 50.97 | 37.61 | 28.13 | 18.26 | 37.88 | |||||||||||||
1954 | 20.90 | 26.96 | 25.52 | 39.37 | 46.45 | 51.43 | 59.32 | 53.42 | 46.10 | 36.58 | 26.27 | 14.06 | 37.20 | |||||||||||||
1955 | 13.45 | 12.79 | 28.26 | 32.37 | 41.52 | 50.47 | 57.13 | 62.31 | r | 47.00 | q | 41.71 | 33.03 | 32.83 | b | 34.35 | b | |||||||||
1956 | 29.71 | 19.00 | 29.39 | 33.23 | 44.26 | 41.23 | 44.27 | a | 40.39 | 42.10 | 34.06 | 20.97 | 16.06 | 32.89 | ||||||||||||
1957 | 20.32 | 28.86 | 27.77 | a | 32.20 | 38.23 | ----- | z | 57.29 | 56.03 | b | 44.04 | g | 35.90 | 23.23 | 20.81 | 34.06 | b | ||||||||
1958 | 20.94 | 30.46 | 26.71 | ----- | z | 49.77 | 56.40 | 60.61 | 61.43 | a | 48.83 | 40.23 | 27.23 | 24.29 | 40.63 | a | ||||||||||
1959 | 19.26 | 21.46 | 29.16 | 38.43 | 41.10 | a | 57.33 | 61.32 | 59.42 | 51.93 | 37.87 | 26.27 | 26.19 | 39.15 | ||||||||||||
1960 | 17.19 | 23.07 | 35.29 | 38.27 | 44.90 | 59.70 | 60.55 | 62.77 | 47.27 | 33.42 | 31.40 | 13.97 | 38.98 | |||||||||||||
1961 | 14.71 | 25.25 | 29.90 | 34.37 | 42.16 | 54.24 | a | 62.00 | 61.13 | 49.83 | 40.55 | 29.47 | 13.87 | 38.12 | ||||||||||||
1962 | 18.63 | a | 23.93 | 27.84 | 43.40 | 44.29 | 55.73 | 62.13 | 64.16 | 56.23 | 43.74 | 35.40 | 25.32 | 41.73 | ||||||||||||
1963 | 11.81 | 32.50 | 27.65 | 38.30 | 47.30 | a | 50.83 | 63.84 | 58.71 | 56.30 | 47.84 | ----- | z | 22.58 | 41.60 | a | ||||||||||
1964 | ----- | z | 21.24 | ----- | z | ----- | z | 45.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.57 | ----- | z | 31.87 | i | |||
1965 | 26.90 | ----- | z | ----- | z | ----- | z | ----- | z | 47.83 | 58.71 | 59.26 | 48.00 | 45.81 | 35.47 | 25.45 | 43.43 | d | ||||||||
1966 | 18.58 | 20.43 | 32.68 | 39.57 | 48.00 | 55.20 | 60.19 | 60.39 | 53.17 | 41.19 | ----- | z | 21.61 | 41.00 | a | |||||||||||
1967 | 19.29 | 25.39 | 33.16 | 32.43 | 43.48 | 49.83 | 59.74 | 58.58 | 49.20 | 43.03 | ----- | z | 13.16 | 38.85 | a | |||||||||||
1968 | 11.77 | 30.52 | 32.70 | a | 33.67 | 44.84 | ----- | z | 62.10 | 55.35 | 50.90 | 42.87 | 30.27 | 16.39 | 37.40 | a | ||||||||||
1969 | 26.52 | 25.57 | 27.97 | a | 37.00 | 48.48 | 52.93 | 62.16 | 62.13 | 52.30 | 36.06 | 31.00 | 25.97 | 40.67 | ||||||||||||
1970 | 22.39 | 28.89 | 29.55 | 32.30 | 45.71 | 55.43 | 62.06 | 62.26 | 50.97 | 36.52 | 31.70 | 23.03 | 40.07 | |||||||||||||
1971 | 23.06 | 25.36 | 31.84 | 37.17 | 40.16 | 55.43 | 64.00 | 60.39 | 49.57 | 38.16 | 28.43 | 19.77 | 39.45 | |||||||||||||
1972 | 23.77 | 28.38 | 39.13 | 40.07 | 45.87 | 55.30 | ----- | z | ----- | z | 42.60 | 36.13 | 28.07 | 18.47 | a | 35.78 | b | |||||||||
1973 | ----- | z | 24.18 | 27.97 | 33.33 | 47.06 | 55.00 | ----- | z | 58.90 | 49.33 | 42.03 | 31.90 | 24.68 | 39.44 | b | ||||||||||
1974 | 18.58 | 23.43 | 35.16 | 36.13 | 52.13 | 60.47 | 58.97 | 58.74 | 52.70 | 41.81 | 31.34 | a | 20.13 | 40.80 | ||||||||||||
1975 | 19.61 | 22.75 | 29.42 | 31.70 | 39.74 | 53.90 | 60.30 | a | 57.55 | 52.27 | 37.29 | 28.67 | 21.65 | 37.90 | ||||||||||||
1976 | 20.03 | 28.07 | b | 26.48 | 28.03 | 38.71 | 40.50 | t | 51.35 | 52.90 | 48.43 | 38.74 | 28.23 | 20.13 | 34.65 | a | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 19.84 | 24.33 | 29.43 | 36.17 | 44.55 | 53.25 | 59.07 | 58.17 | 50.58 | 39.66 | 28.72 | 21.33 | 38.74 | |||||||||||||
S.D. | 4.41 | 4.38 | 3.39 | 3.33 | 3.36 | 3.74 | 4.61 | 4.15 | 3.36 | 3.44 | 3.41 | 4.30 | 2.02 | |||||||||||||
SKEW | -0.15 | -0.87 | 0.56 | -0.19 | -0.14 | -0.83 | -2.29 | -2.47 | -0.71 | 0.24 | -0.03 | 0.06 | -1.23 | |||||||||||||
MAX | 29.71 | 32.50 | 39.13 | 43.40 | 52.13 | 60.47 | 64.00 | 64.16 | 56.30 | 47.84 | 35.47 | 32.83 | 41.73 | |||||||||||||
MIN | 9.55 | 11.75 | 21.80 | 28.03 | 37.77 | 41.23 | 43.21 | 40.39 | 42.10 | 33.42 | 20.97 | 13.16 | 32.89 | |||||||||||||
YRS | 35 | 36 | 35 | 35 | 37 | 32 | 34 | 32 | 32 | 33 | 33 | 36 | 17 |