YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | 24.83 | b | 23.65 | b | 37.27 | a | 40.23 | d | 49.57 | a | 62.50 | 65.00 | b | 53.58 | 54.74 | c | 37.10 | a | 30.80 | 20.10 | 41.61 | |||||
1930 | 21.83 | a | 23.52 | a | 22.03 | a | 35.17 | a | 45.52 | 47.55 | a | 54.48 | 54.00 | 51.10 | 35.58 | 28.40 | 18.84 | 36.50 | ||||||||
1931 | 24.19 | 24.04 | 27.00 | 35.50 | 45.42 | 52.47 | 60.84 | 57.03 | 54.17 | 40.00 | 37.80 | 34.61 | 41.09 | |||||||||||||
1932 | 33.26 | 33.45 | 27.03 | 37.57 | 47.30 | a | 55.70 | 60.03 | 56.45 | 50.93 | 41.45 | 29.10 | a | 29.55 | 41.82 | |||||||||||
1933 | 30.42 | 24.54 | 30.58 | 38.07 | 51.61 | 56.03 | 57.19 | 57.94 | 57.43 | 38.39 | 30.20 | 32.13 | a | 42.04 | ||||||||||||
1934 | 27.39 | 19.11 | 28.83 | a | 39.47 | 46.23 | 57.50 | 62.71 | 61.19 | 53.17 | 41.71 | 34.53 | 25.03 | a | 41.41 | |||||||||||
1935 | 26.55 | 26.04 | 37.52 | 40.10 | 48.06 | 51.40 | 58.10 | 57.65 | 52.23 | 39.00 | a | 38.03 | 20.19 | 41.24 | ||||||||||||
1936 | 20.97 | a | 22.86 | a | 33.52 | 37.67 | 46.77 | 55.33 | 61.45 | 59.52 | 53.70 | 46.13 | 32.00 | 30.23 | 41.68 | |||||||||||
1937 | 36.67 | a | 23.04 | c | 28.13 | 37.03 | 44.71 | 56.30 | 56.87 | 58.13 | 50.00 | 39.03 | 28.20 | 26.68 | 40.40 | |||||||||||
1938 | 25.94 | 32.79 | 37.58 | 39.83 | 48.61 | 53.34 | a | 58.77 | 58.87 | 53.57 | 37.87 | 31.97 | a | 25.39 | 42.04 | |||||||||||
1939 | 28.39 | 30.19 | a | 34.45 | 36.83 | a | 46.72 | b | 65.10 | 64.52 | 63.10 | 58.37 | 40.79 | b | 28.59 | c | 27.15 | k | 45.19 | a | ||||||
1940 | 13.64 | c | 23.25 | a | 27.90 | a | 36.50 | b | 45.55 | 55.43 | 57.68 | 58.65 | 45.40 | 36.70 | a | 32.00 | 28.06 | m | 39.34 | a | ||||||
1941 | 26.86 | b | 20.15 | a | 24.74 | 40.87 | 46.25 | g | 56.27 | 61.23 | 60.17 | a | 50.83 | 46.77 | 28.95 | h | 27.22 | m | 43.10 | c | ||||||
1942 | 21.10 | b | 19.39 | e | 28.43 | a | 34.48 | a | 49.61 | 57.00 | 60.68 | 57.87 | 51.33 | 42.71 | c | 32.90 | 25.74 | 40.11 | ||||||||
1943 | 26.94 | 24.71 | 28.62 | b | 36.23 | 48.90 | 57.68 | b | 60.19 | 58.93 | a | 47.17 | 38.65 | 27.33 | 24.94 | 40.02 | ||||||||||
1944 | 23.90 | 29.07 | 28.90 | 35.23 | 46.57 | a | 55.07 | 53.47 | a | 54.87 | 51.93 | 37.77 | 29.87 | 20.61 | 38.94 | |||||||||||
1945 | 23.00 | a | 27.79 | 37.77 | 39.83 | 43.84 | 52.57 | 58.45 | 55.97 | b | 54.90 | 37.61 | 31.87 | 20.10 | a | 40.31 | ||||||||||
1946 | 25.45 | 26.73 | b | 36.19 | 40.23 | 45.16 | 50.80 | 57.84 | 53.03 | 48.39 | b | 37.55 | 35.12 | d | 23.86 | j | 41.50 | a | ||||||||
1947 | 29.33 | a | ----- | z | 23.42 | 39.57 | 44.29 | 50.97 | a | 51.45 | 58.55 | 52.27 | 45.48 | 31.87 | 25.55 | i | 42.72 | b | ||||||||
1948 | 19.29 | 30.48 | 34.53 | a | 41.14 | b | 46.80 | a | 56.43 | 60.84 | 58.00 | 49.23 | 36.00 | 36.08 | d | 31.71 | g | 42.62 | a | |||||||
1949 | 34.13 | 31.75 | 29.45 | 36.19 | d | 43.61 | 54.37 | 61.24 | b | 57.69 | e | 47.87 | 47.13 | 30.00 | a | 28.26 | 41.81 | |||||||||
1950 | 37.35 | 28.59 | a | 27.74 | 34.87 | 50.23 | 56.07 | 57.29 | 55.84 | 50.28 | a | 43.84 | 25.40 | 20.32 | 40.65 | |||||||||||
1951 | 23.87 | 24.14 | 31.10 | 35.73 | 43.55 | 56.58 | k | 56.06 | 55.06 | 48.83 | 40.39 | 24.73 | 24.19 | 37.06 | a | |||||||||||
1952 | 27.74 | 28.28 | 28.26 | 37.20 | 45.87 | a | 58.30 | 56.90 | 55.35 | 48.00 | 35.23 | 30.90 | 26.33 | a | 39.86 | |||||||||||
1953 | 28.39 | 28.30 | a | 33.19 | 38.10 | a | 52.61 | 57.10 | 55.52 | 53.29 | 45.63 | 36.77 | 26.97 | 23.67 | a | 39.96 | ||||||||||
1954 | 26.03 | 28.25 | 31.34 | b | 44.00 | a | 43.71 | 54.43 | 58.07 | d | 58.00 | 48.93 | 38.30 | d | 26.47 | 22.84 | 40.03 | |||||||||
1955 | 21.48 | 24.64 | 31.13 | 40.72 | a | 47.73 | a | 47.53 | 58.90 | 59.77 | a | 52.17 | 41.42 | 28.27 | 20.94 | 39.56 | ||||||||||
1956 | 16.00 | a | 27.46 | a | 28.00 | 35.76 | a | 48.16 | 51.79 | a | 56.74 | 54.45 | 47.41 | a | 42.68 | 32.24 | e | 34.20 | a | 39.58 | ||||||
1957 | 23.84 | 29.75 | 29.23 | 39.67 | 46.77 | 55.67 | 54.77 | 51.68 | 51.97 | 38.90 | 33.52 | c | 26.26 | 40.17 | ||||||||||||
1958 | 18.65 | 15.86 | 29.39 | 39.30 | 48.77 | 55.13 | 60.76 | b | 59.26 | 50.33 | 40.17 | a | 35.23 | 22.16 | 39.58 | |||||||||||
1959 | 22.39 | 27.18 | 28.03 | 40.20 | 53.10 | 53.83 | a | 60.68 | 60.23 | 53.03 | 46.97 | 31.40 | 28.52 | 42.13 | ||||||||||||
1960 | 26.19 | 23.31 | 17.90 | 40.17 | 45.26 | 55.13 | 58.16 | 59.94 | 54.80 | 44.39 | 31.17 | 19.23 | a | 39.64 | ||||||||||||
1961 | 19.74 | 29.04 | 36.93 | c | 35.33 | 44.43 | a | 53.50 | 58.32 | 58.35 | 54.40 | 37.81 | 38.00 | 26.30 | a | 41.01 | ||||||||||
1962 | 24.74 | 31.26 | a | 29.23 | 36.20 | 53.03 | a | 56.17 | a | 58.68 | 56.10 | 51.27 | 43.19 | 32.10 | 22.26 | 41.19 | ||||||||||
1963 | 19.13 | 18.32 | 34.35 | 40.70 | 48.67 | a | 54.97 | a | 56.90 | 56.83 | b | 48.80 | 39.19 | 34.20 | 17.83 | a | 39.16 | |||||||||
1964 | 24.07 | a | 21.69 | 30.37 | a | 42.45 | a | 48.65 | 57.03 | 58.39 | 58.23 | a | 51.30 | 37.00 | 34.37 | 27.45 | 40.92 | |||||||||
1965 | 24.87 | 25.19 | b | 30.35 | 43.10 | 52.26 | 54.17 | 59.71 | 58.42 | 54.23 | 39.45 | 33.83 | a | 27.13 | 41.89 | |||||||||||
1966 | 17.23 | a | 25.50 | 29.16 | 40.00 | 49.65 | 52.07 | a | 59.06 | 59.10 | 50.90 | 39.26 | 32.70 | 26.74 | 40.11 | |||||||||||
1967 | 26.42 | 21.89 | a | 34.48 | 43.47 | 47.52 | 53.47 | 57.61 | 55.94 | 46.00 | a | 40.77 | 30.07 | a | 29.74 | 40.61 | ||||||||||
1968 | 21.57 | a | 17.07 | 31.58 | 41.62 | a | 46.87 | a | 54.47 | 58.90 | a | 58.90 | 48.67 | 42.30 | a | 33.57 | b | 21.87 | 39.78 | |||||||
1969 | 22.23 | 23.79 | 23.41 | d | 41.03 | 46.31 | b | 55.77 | 59.84 | 55.55 | 50.43 | 41.45 | 30.27 | 23.45 | 39.46 | |||||||||||
1970 | 18.60 | a | 24.11 | 30.90 | a | 41.68 | b | 47.81 | 54.83 | 57.29 | 56.00 | 51.66 | a | 40.29 | 29.13 | 28.16 | 40.04 | |||||||||
1971 | 21.45 | 22.63 | a | 26.74 | 36.63 | 45.07 | a | 57.00 | 58.26 | 57.11 | c | 55.53 | 49.52 | 30.79 | a | 35.00 | a | 41.31 | ||||||||
1972 | 26.65 | 23.21 | 30.87 | 38.60 | 46.57 | c | 51.29 | b | 58.14 | b | 58.27 | a | 53.34 | a | 40.55 | 31.48 | a | 33.97 | a | 41.08 | ||||||
1973 | 24.26 | 22.86 | 38.90 | a | 38.90 | a | 46.57 | a | 57.48 | c | 60.30 | d | 59.83 | a | 56.52 | a | 44.35 | 35.24 | a | 26.07 | a | 42.61 | ||||
1974 | 36.94 | 26.52 | a | 36.30 | a | 38.50 | b | 50.11 | c | 52.24 | a | 58.93 | b | 59.03 | b | 52.00 | 37.52 | 31.33 | 26.81 | 42.19 | ||||||
1975 | 28.06 | 28.71 | 30.23 | a | 38.14 | b | 51.97 | b | 55.79 | b | 59.40 | a | 60.83 | a | 52.52 | a | 43.93 | a | 34.47 | 25.57 | a | 42.47 | ||||
1976 | 20.20 | a | 30.07 | 35.23 | 38.07 | a | 47.58 | 55.03 | 57.90 | 55.87 | a | 50.41 | a | 39.03 | 27.59 | a | 20.97 | 39.83 | ||||||||
1977 | 11.84 | 20.96 | 36.90 | 42.13 | 51.23 | a | 56.00 | a | 61.00 | 60.10 | 54.70 | 40.21 | b | 38.00 | a | 24.10 | b | 41.43 | ||||||||
1978 | 14.61 | 16.89 | a | 29.39 | 40.97 | 48.00 | a | 55.76 | a | 59.32 | 60.26 | 56.27 | 38.29 | 35.93 | b | 25.58 | 40.11 | |||||||||
1979 | 18.03 | 19.54 | 32.77 | 41.07 | 47.70 | a | 54.03 | a | 59.84 | 58.83 | a | 54.50 | 40.32 | 36.00 | c | 26.23 | 40.74 | |||||||||
1980 | 27.48 | 19.32 | a | 29.07 | a | 39.87 | 47.80 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.71 | g | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.31 | 24.92 | 30.70 | 38.88 | 47.62 | 54.92 | 58.72 | 57.60 | 51.64 | 40.53 | 31.84 | 25.47 | 40.64 | |||||||||||||
S.D. | 5.56 | 4.29 | 4.40 | 2.43 | 2.54 | 3.00 | 2.46 | 2.34 | 3.02 | 3.30 | 3.32 | 4.35 | 1.16 | |||||||||||||
SKEW | 0.26 | -0.09 | -0.25 | 0.00 | 0.47 | 0.39 | -0.18 | -0.37 | -0.04 | 0.74 | 0.02 | 0.42 | -0.80 | |||||||||||||
MAX | 37.35 | 33.45 | 38.90 | 44.00 | 53.10 | 65.10 | 65.00 | 63.10 | 58.37 | 49.52 | 38.03 | 35.00 | 42.61 | |||||||||||||
MIN | 11.84 | 15.86 | 17.90 | 34.48 | 43.55 | 47.53 | 51.45 | 51.68 | 45.40 | 35.23 | 24.73 | 17.83 | 36.50 | |||||||||||||
YRS | 52 | 51 | 52 | 52 | 51 | 50 | 51 | 51 | 51 | 51 | 50 | 45 | 44 |