YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | 32.87 | 40.43 | 50.26 | 57.20 | 57.84 | 65.40 | 73.19 | 72.65 | 67.97 | 57.55 | 44.43 | 42.29 | 55.17 | |||||||||||||
1927 | 41.10 | 45.79 | 43.71 | 50.57 | 55.87 | 65.07 | 75.29 | 73.52 | 68.57 | 54.94 | 48.83 | 40.03 | 55.27 | |||||||||||||
1928 | 37.84 | 41.86 | 48.84 | ----- | z | 61.00 | 63.73 | 74.74 | 72.90 | 66.63 | 57.39 | 50.17 | 41.81 | 56.08 | a | |||||||||||
1929 | 39.87 | 40.93 | 44.10 | 48.30 | 55.52 | 62.00 | 82.42 | 74.65 | 66.17 | 54.16 | 36.30 | 34.13 | 53.21 | |||||||||||||
1930 | 37.77 | 40.21 | 43.03 | 50.87 | 51.32 | 63.93 | 76.94 | 72.36 | c | 61.00 | 48.10 | 43.23 | 33.13 | 51.82 | ||||||||||||
1931 | 32.29 | 44.07 | 42.23 | 52.53 | 57.97 | 65.47 | 77.32 | 73.29 | 68.43 | 51.81 | 42.90 | 36.32 | 53.72 | |||||||||||||
1932 | 31.97 | 43.38 | 42.74 | 46.63 | 53.52 | 61.13 | 73.77 | 73.68 | 65.67 | 53.00 | 39.73 | 34.00 | 51.60 | |||||||||||||
1933 | 32.55 | 32.46 | 39.58 | 44.43 | 49.71 | 63.87 | 75.55 | 73.19 | 67.87 | 56.68 | 40.33 | 34.23 | 50.87 | |||||||||||||
1934 | 33.97 | 40.89 | 46.58 | 51.47 | 58.84 | 59.47 | 74.58 | 72.94 | 63.67 | 50.90 | 39.97 | 37.68 | 52.58 | |||||||||||||
1935 | 38.16 | 41.39 | 39.81 | 48.37 | 51.77 | 62.57 | 72.35 | 73.52 | 66.13 | 50.29 | 40.53 | 37.84 | 51.89 | |||||||||||||
1936 | 32.52 | 40.55 | 45.10 | 49.73 | 56.42 | 66.80 | 74.00 | 74.45 | 64.50 | 53.32 | 44.87 | 38.03 | 53.36 | |||||||||||||
1937 | 29.65 | 38.32 | 43.42 | 47.40 | 56.52 | 63.03 | 74.52 | 75.06 | 69.50 | 52.65 | 40.20 | 40.74 | 52.58 | |||||||||||||
1938 | 36.97 | 41.43 | 43.45 | 48.33 | 54.61 | 62.70 | 71.42 | 72.26 | 66.37 | 49.65 | 33.33 | 37.52 | 51.50 | |||||||||||||
1939 | 36.48 | 33.71 | 43.26 | 50.27 | 55.10 | 61.77 | 72.74 | 73.74 | 67.00 | 49.13 | 46.67 | 37.23 | 52.26 | |||||||||||||
1940 | 37.84 | 38.79 | 44.19 | 49.57 | 57.58 | 66.60 | 70.84 | 72.58 | 67.40 | 54.35 | 40.13 | 41.90 | 53.48 | |||||||||||||
1941 | 39.90 | 43.71 | 43.55 | 45.87 | 56.29 | 59.47 | 70.94 | 69.03 | 59.60 | 50.35 | 42.63 | 38.03 | 51.61 | |||||||||||||
1942 | 36.55 | 34.21 | 38.55 | 47.43 | 51.06 | 59.20 | 72.23 | 70.06 | 61.67 | 50.97 | 41.07 | 36.03 | 49.92 | |||||||||||||
1943 | 36.16 | 39.82 | 44.26 | 49.23 | 54.97 | 62.17 | 71.06 | 72.35 | 63.90 | 51.32 | 38.80 | 39.42 | 51.96 | |||||||||||||
1944 | 33.97 | 38.31 | 39.83 | a | 45.90 | 54.97 | 56.53 | 68.26 | 70.71 | 64.53 | 53.90 | 42.40 | 36.16 | 50.46 | ||||||||||||
1945 | 35.68 | 38.71 | 40.68 | 45.47 | 53.23 | 57.67 | 73.06 | 73.74 | 64.40 | 56.65 | 36.70 | 32.52 | 50.71 | |||||||||||||
1946 | 35.00 | 32.93 | 42.58 | 52.97 | 54.81 | 62.43 | 73.00 | 73.81 | 66.87 | 49.71 | 38.27 | 37.87 | 51.69 | |||||||||||||
1947 | 32.16 | 38.54 | 44.06 | 47.83 | 57.94 | 62.00 | 73.26 | 72.71 | 67.33 | 53.61 | 39.57 | 33.90 | 51.91 | |||||||||||||
1948 | 32.10 | 36.86 | 40.55 | 47.53 | 53.26 | 61.80 | 72.06 | 73.16 | 66.00 | 56.29 | 36.03 | 36.19 | 50.99 | |||||||||||||
1949 | 32.26 | 34.04 | 40.42 | 50.17 | 54.10 | 65.17 | 74.32 | 67.52 | 68.83 | 50.45 | 43.07 | 35.68 | 51.33 | |||||||||||||
1950 | 32.27 | a | 40.71 | 43.32 | 50.70 | 52.10 | 60.43 | 73.77 | 68.26 | 60.73 | 53.87 | 42.10 | 36.58 | 51.24 | ||||||||||||
1951 | 33.87 | 39.21 | 42.68 | 49.53 | 55.81 | 59.17 | 74.29 | 71.68 | 62.83 | 52.39 | 42.57 | 37.19 | 51.77 | |||||||||||||
1952 | 35.58 | 35.97 | 39.90 | 50.50 | 58.00 | 61.93 | 70.58 | 73.77 | 65.97 | 52.19 | 41.17 | 35.74 | 51.78 | |||||||||||||
1953 | 36.13 | 34.70 | a | 43.71 | 47.43 | 50.35 | 61.97 | 75.55 | 71.48 | 60.10 | 50.06 | 41.93 | 31.00 | 50.37 | ||||||||||||
1954 | 35.32 | 42.57 | 43.16 | 51.37 | 57.45 | 62.47 | 75.29 | 71.26 | 66.53 | 52.97 | 41.47 | 34.67 | a | 52.88 | ||||||||||||
1955 | 35.70 | a | 33.75 | 40.84 | 45.20 | 54.52 | 61.43 | 69.87 | 73.61 | 62.20 | 54.65 | 40.40 | 37.84 | 50.83 | ||||||||||||
1956 | 38.90 | 35.00 | 40.55 | 47.77 | 56.52 | 67.00 | 71.97 | 68.03 | 64.03 | 50.55 | 38.27 | 33.65 | 51.02 | |||||||||||||
1957 | 42.39 | 45.86 | 45.16 | 48.47 | 54.19 | 66.90 | 75.87 | 73.55 | 62.33 | 56.10 | 39.53 | 36.29 | 53.89 | |||||||||||||
1958 | 34.16 | 42.32 | 43.55 | 48.70 | 61.61 | 67.93 | 74.00 | 76.23 | 67.43 | 57.07 | a | 41.47 | 35.61 | 54.17 | ||||||||||||
1959 | 34.43 | a | 34.96 | a | 42.26 | 51.60 | 53.87 | 68.27 | 76.45 | 74.16 | 63.73 | 52.87 | 42.62 | a | 37.96 | c | 52.77 | |||||||||
1960 | 33.66 | b | 32.15 | b | 45.50 | a | 48.10 | 54.29 | 66.83 | 72.65 | 72.77 | 65.90 | 53.39 | 41.17 | a | 33.45 | 51.65 | |||||||||
1961 | 37.11 | d | 37.72 | c | 43.62 | b | 48.57 | 53.68 | 66.77 | 74.19 | 72.57 | a | 62.69 | a | 49.39 | 39.10 | a | 36.46 | c | 51.82 | ||||||
1962 | 35.70 | a | 41.04 | c | 38.83 | b | 51.23 | 52.90 | 60.73 | 71.10 | 71.87 | 68.23 | 52.00 | a | 43.37 | 38.87 | 52.16 | |||||||||
1963 | 32.17 | b | 41.89 | 41.94 | 45.50 | 57.81 | 60.10 | 73.65 | 73.77 | 67.76 | a | 55.90 | a | 44.82 | b | 33.94 | 52.44 | |||||||||
1964 | 30.19 | 31.14 | 40.00 | a | 47.28 | a | 53.71 | 61.87 | 74.83 | a | 72.29 | 65.00 | 56.55 | 38.40 | 37.61 | 50.74 | ||||||||||
1965 | 38.61 | 38.12 | b | 41.52 | 47.86 | a | 52.74 | 58.00 | 73.83 | a | 71.30 | a | 61.70 | 52.23 | 45.53 | 39.93 | b | 51.78 | ||||||||
1966 | 32.71 | 35.85 | a | 44.30 | a | 49.90 | 59.45 | 66.00 | 74.87 | 74.35 | 68.30 | 52.00 | 43.33 | 35.87 | 53.08 | |||||||||||
1967 | 33.52 | 37.54 | 45.26 | 44.63 | 55.13 | 63.30 | 75.65 | 74.29 | 67.30 | 53.35 | 46.24 | a | 35.16 | 52.61 | ||||||||||||
1968 | 37.48 | 45.28 | 44.58 | 47.87 | 55.10 | 62.50 | 72.16 | 68.87 | a | 62.37 | 51.61 | 41.70 | 31.77 | 51.77 | ||||||||||||
1969 | 41.97 | 38.82 | 40.35 | 49.67 | 57.25 | o | 62.80 | 75.81 | 77.53 | a | 67.27 | 49.74 | 46.60 | 38.65 | 53.56 | a | ||||||||||
1970 | 34.26 | 40.73 | b | 43.80 | a | 48.13 | 58.90 | b | 66.37 | 77.29 | 75.84 | 63.70 | 49.52 | 42.63 | 35.97 | 53.09 | ||||||||||
1971 | 33.68 | 39.04 | 42.48 | 47.17 | 53.87 | 62.80 | 76.10 | 73.90 | 65.07 | 51.58 | 40.70 | 36.03 | 51.87 | |||||||||||||
1972 | 32.61 | 39.21 | 48.32 | 49.40 | 56.48 | 67.87 | 75.48 | 71.84 | 64.93 | 57.58 | 40.10 | 35.29 | 53.26 | |||||||||||||
1973 | 34.83 | a | 42.07 | 42.26 | 48.80 | 60.00 | 64.90 | 73.74 | 73.00 | 61.27 | 50.45 | 41.20 | 35.55 | 52.34 | ||||||||||||
1974 | 37.19 | 36.19 | a | 46.90 | 48.63 | 57.45 | 68.07 | 73.29 | 70.19 | 67.53 | 58.29 | 42.70 | 33.68 | 53.34 | ||||||||||||
1975 | 34.58 | 37.50 | 43.42 | 44.20 | 53.45 | 61.93 | 75.90 | 70.77 | 66.67 | 51.10 | 40.43 | 37.35 | 51.44 | |||||||||||||
1976 | 36.45 | 44.24 | 42.81 | 47.83 | 59.03 | 64.63 | 75.74 | 71.32 | 66.87 | 53.16 | 43.27 | 35.48 | 53.40 | |||||||||||||
1977 | 38.90 | 39.68 | 41.23 | 51.43 | 54.32 | 67.20 | 76.52 | 76.16 | 68.33 | 58.29 | 44.50 | 40.87 | 54.79 | |||||||||||||
1978 | 41.00 | 43.57 | 51.10 | 49.43 | 56.13 | 66.73 | 75.16 | 72.42 | 67.10 | 58.68 | 46.03 | 36.19 | 55.30 | |||||||||||||
1979 | 37.35 | 38.36 | 45.00 | 49.03 | 59.42 | 67.13 | 72.90 | 69.94 | 69.60 | 54.42 | 40.53 | 37.81 | 53.46 | |||||||||||||
1980 | 43.74 | 45.72 | 45.26 | 49.63 | 56.00 | 64.33 | 75.48 | 73.13 | 65.40 | 53.19 | 41.80 | 41.10 | 54.57 | |||||||||||||
1981 | 41.65 | 40.89 | 45.61 | 54.30 | 59.29 | 71.43 | 76.58 | 75.42 | 68.27 | 52.06 | 43.67 | 38.81 | 55.66 | |||||||||||||
1982 | 37.94 | 43.14 | 45.45 | 50.43 | 57.81 | 62.37 | 72.97 | 75.84 | 66.47 | 48.71 | 44.63 | 37.83 | a | 53.63 | ||||||||||||
1983 | 38.40 | a | 42.82 | 46.61 | 46.80 | 56.90 | 63.30 | 74.94 | 73.61 | 72.33 | 58.40 | a | 44.73 | 41.71 | 55.05 | |||||||||||
1984 | 37.94 | 38.34 | 44.19 | 50.03 | 61.39 | 65.77 | 75.65 | 74.39 | 69.40 | ----- | z | ----- | z | ----- | z | 57.45 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.90 | 39.28 | 43.39 | 48.88 | 55.76 | 63.58 | 74.10 | 72.77 | 65.68 | 53.13 | 41.88 | 36.80 | 52.50 | |||||||||||||
S.D. | 3.18 | 3.70 | 2.63 | 2.41 | 2.75 | 3.04 | 2.24 | 2.06 | 2.70 | 2.84 | 3.07 | 2.61 | 1.39 | |||||||||||||
SKEW | 0.37 | -0.24 | 0.60 | 0.60 | 0.07 | 0.02 | 0.38 | -0.46 | -0.32 | 0.35 | 0.05 | 0.18 | 0.50 | |||||||||||||
MAX | 43.74 | 45.86 | 51.10 | 57.20 | 61.61 | 71.43 | 82.42 | 77.53 | 72.33 | 58.68 | 50.17 | 42.29 | 55.66 | |||||||||||||
MIN | 29.65 | 31.14 | 38.55 | 44.20 | 49.71 | 56.53 | 68.26 | 67.52 | 59.60 | 48.10 | 33.33 | 31.00 | 49.92 | |||||||||||||
YRS | 59 | 59 | 59 | 58 | 58 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 56 |