YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.96 | b | 52.32 | 52.87 | 49.00 | 47.00 | 39.73 | 36.39 | 46.75 | e | ||||||
1938 | 34.43 | a | 35.50 | 39.70 | d | 52.72 | a | ----- | z | ----- | z | 51.03 | 50.45 | 53.13 | 47.94 | 40.66 | a | 39.97 | 44.55 | b | ||||||
1939 | 38.61 | 37.19 | a | 40.81 | 42.17 | 47.23 | a | 49.07 | 52.03 | a | ----- | z | ----- | z | 49.29 | 43.07 | 43.19 | 44.27 | b | |||||||
1940 | 39.21 | b | 42.37 | b | 42.07 | c | 43.83 | 45.36 | c | 47.07 | 52.53 | a | 52.52 | 53.27 | 50.55 | 41.63 | 39.52 | 45.83 | ||||||||
1941 | 41.55 | 41.36 | 42.71 | 41.97 | 46.19 | 51.10 | 54.16 | 51.97 | 50.83 | 46.87 | 42.90 | 39.13 | a | 45.90 | ||||||||||||
1942 | 37.71 | 38.29 | 37.17 | b | 42.40 | 45.32 | 48.66 | a | 55.29 | 52.97 | 49.90 | 47.90 | 42.53 | 42.17 | a | 45.03 | ||||||||||
1943 | 34.43 | a | 39.82 | 38.90 | 42.60 | 43.35 | 48.17 | 49.32 | 51.07 | b | ----- | z | 47.21 | b | 41.97 | a | 36.10 | b | 43.00 | a | ||||||
1944 | 36.06 | 35.93 | 36.10 | 40.73 | 43.81 | 47.60 | 50.03 | b | 50.10 | b | 49.50 | 47.97 | 40.13 | 37.35 | 42.94 | |||||||||||
1945 | 38.27 | a | 38.46 | 37.55 | 38.83 | a | 46.45 | 44.87 | 46.28 | b | 48.71 | 47.07 | 42.74 | 41.46 | b | 39.26 | 42.50 | |||||||||
1946 | 36.13 | 36.36 | 37.68 | 39.73 | 45.19 | 47.47 | 49.71 | 49.68 | 46.77 | 41.32 | 37.80 | 37.71 | 42.13 | |||||||||||||
1947 | 33.47 | a | 40.00 | 41.87 | 44.00 | 45.00 | 49.60 | 53.42 | 51.29 | 47.90 | 49.37 | a | 42.83 | 39.71 | 44.87 | |||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.52 | 52.79 | c | 49.07 | a | 44.87 | a | 38.53 | ----- | z | 47.15 | g | ||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 46.17 | m | 45.57 | 46.26 | 50.71 | 49.43 | 41.42 | 45.20 | 37.32 | 45.13 | e | |||||||
1950 | 31.48 | 38.75 | 39.52 | 38.13 | 38.58 | 48.57 | ----- | z | ----- | z | ----- | z | 45.67 | v | 44.30 | 46.71 | 40.76 | d | ||||||||
1951 | 38.13 | 39.57 | 36.39 | 42.13 | 46.42 | 49.43 | 52.87 | 50.80 | a | 49.63 | 48.68 | 43.40 | 36.65 | 44.51 | ||||||||||||
1952 | 36.39 | 38.89 | a | 38.17 | a | 40.83 | 44.48 | 46.20 | 49.06 | 50.84 | 48.43 | 46.52 | 36.10 | 39.23 | 42.93 | |||||||||||
1953 | 43.90 | 38.11 | 38.81 | 41.00 | 44.55 | 47.33 | 50.94 | 54.32 | 51.77 | 47.52 | 45.23 | 41.16 | 45.39 | |||||||||||||
1954 | 38.52 | 40.86 | 36.26 | 40.23 | 44.94 | 47.57 | 50.45 | 52.00 | 51.33 | 45.58 | 46.43 | 38.77 | 44.41 | |||||||||||||
1955 | 36.68 | 36.00 | 37.00 | 38.77 | 41.32 | 47.83 | 51.06 | 49.74 | 48.60 | 47.39 | 42.37 | 39.94 | 43.06 | |||||||||||||
1956 | 38.74 | 34.76 | 38.10 | 40.87 | 47.26 | 47.13 | 51.94 | 52.39 | 49.87 | 44.97 | 39.40 | 38.45 | 43.66 | |||||||||||||
1957 | 32.90 | 41.07 | 42.23 | 42.60 | 47.45 | 50.87 | 50.19 | 51.55 | 52.40 | 46.23 | 37.53 | 40.03 | 44.59 | |||||||||||||
1958 | 41.00 | a | 44.82 | 35.03 | 41.70 | 46.23 | 52.20 | 52.90 | 51.26 | 48.80 | 44.13 | 42.20 | 41.58 | 45.15 | ||||||||||||
1959 | 40.48 | 38.04 | 38.32 | 40.03 | 43.10 | 50.07 | 49.71 | 49.10 | 47.33 | 46.52 | 39.90 | 37.23 | 43.32 | |||||||||||||
1960 | 36.06 | 36.66 | 41.74 | 41.60 | 44.74 | 45.47 | 47.10 | 48.03 | 47.47 | 45.94 | 40.03 | 37.39 | 42.69 | |||||||||||||
1961 | 39.77 | 40.89 | 39.94 | 38.80 | 44.00 | 50.20 | 51.74 | 53.23 | 46.33 | 43.52 | 36.57 | 38.16 | 43.60 | |||||||||||||
1962 | 32.42 | 38.29 | 37.61 | 41.37 | 42.58 | 46.23 | 48.87 | 51.45 | 51.30 | 46.19 | 42.83 | 37.74 | 43.07 | |||||||||||||
1963 | 30.32 | 44.64 | 38.13 | 40.43 | 44.00 | 48.70 | 49.90 | 51.90 | 52.30 | 47.10 | 43.33 | 37.06 | 43.99 | |||||||||||||
1964 | 37.61 | 34.34 | 37.19 | 39.00 | 41.87 | 48.57 | 51.71 | 51.42 | 47.10 | 47.13 | 38.93 | 39.06 | 42.83 | |||||||||||||
1965 | 38.68 | 36.71 | 35.10 | 41.63 | 41.32 | 45.03 | 50.03 | 54.10 | 46.40 | 46.81 | 42.90 | 33.84 | 42.71 | |||||||||||||
1966 | 37.23 | 34.36 | 36.23 | 39.33 | 41.77 | 48.20 | 49.55 | 49.42 | 50.53 | 44.81 | 42.23 | 39.68 | 42.78 | |||||||||||||
1967 | 38.84 | 37.57 | 36.39 | 36.80 | 42.32 | 50.27 | 50.03 | 51.71 | 50.93 | 46.32 | 43.10 | 37.19 | 43.46 | |||||||||||||
1968 | 36.35 | 43.55 | 39.87 | 38.10 | 44.55 | 47.93 | 50.97 | 53.35 | 49.13 | 45.19 | 42.13 | 37.74 | 44.07 | |||||||||||||
1969 | 34.23 | 34.57 | 35.32 | 39.50 | 45.42 | 52.03 | 49.55 | 49.23 | a | 50.03 | 43.61 | 40.53 | 39.35 | 42.78 | ||||||||||||
1970 | 40.90 | 38.50 | 38.84 | 38.13 | 42.74 | 47.30 | 48.42 | 49.19 | 44.60 | 41.00 | 40.23 | 36.87 | 42.23 | |||||||||||||
1971 | 35.68 | 37.50 | 37.03 | 40.03 | 45.35 | 48.00 | 51.29 | 54.77 | 48.00 | 42.26 | 40.13 | 36.19 | 43.02 | |||||||||||||
1972 | 35.06 | 38.97 | 41.87 | 39.10 | 45.13 | 49.13 | 51.58 | 51.45 | 46.60 | 43.39 | 41.80 | 34.26 | 43.20 | |||||||||||||
1973 | 34.39 | 39.21 | 37.52 | 40.07 | a | 45.87 | 48.87 | 50.84 | 49.84 | 44.03 | 44.13 | a | 41.60 | 41.68 | 43.17 | |||||||||||
1974 | 34.77 | 36.61 | 38.68 | 41.30 | 44.65 | 48.69 | a | 51.10 | 51.47 | a | 49.87 | 41.32 | 42.17 | 39.60 | a | 43.35 | ||||||||||
1975 | 38.94 | 37.71 | 37.32 | 37.17 | 44.29 | 46.93 | 51.58 | 50.58 | 49.21 | a | 46.23 | 38.87 | 38.81 | 43.14 | ||||||||||||
1976 | 37.52 | 36.36 | a | 36.57 | a | 38.33 | 43.55 | 45.80 | 50.74 | 52.00 | a | 49.68 | b | 44.00 | 43.80 | 34.03 | 42.70 | |||||||||
1977 | 34.16 | 41.39 | 37.42 | 40.03 | 42.60 | a | 49.47 | 49.71 | 53.90 | 50.93 | 46.77 | 41.10 | 42.00 | a | 44.12 | |||||||||||
1978 | 41.42 | 41.75 | 42.52 | 42.50 | b | 44.97 | 52.80 | 52.68 | 53.42 | 51.73 | 46.42 | 36.40 | 33.68 | 45.02 | ||||||||||||
1979 | 31.65 | 39.64 | 42.87 | a | 43.73 | 46.45 | 48.43 | 53.77 | 54.19 | 54.07 | c | 49.32 | 40.62 | a | 40.52 | 45.44 | ||||||||||
1980 | 33.93 | a | 40.79 | 39.58 | 42.03 | a | 45.06 | 49.47 | 52.07 | a | 49.94 | 50.41 | a | 45.97 | 43.07 | 39.79 | b | 44.34 | ||||||||
1981 | 42.06 | o | 40.14 | 40.71 | 42.37 | 46.13 | a | 50.37 | 49.77 | a | 51.97 | 48.59 | a | 42.97 | 39.90 | 38.71 | 44.69 | a | ||||||||
1982 | 32.23 | 33.54 | b | 36.47 | a | 35.60 | 43.16 | 50.08 | d | 52.00 | c | 52.28 | b | 50.47 | 47.20 | a | 39.37 | 37.31 | e | 42.47 | ||||||
1983 | 38.50 | m | 42.56 | j | 44.00 | r | 41.00 | i | 46.30 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.30 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.67 | 38.60 | 38.59 | 40.75 | 44.44 | 48.51 | 50.82 | 51.50 | 49.39 | 45.77 | 41.24 | 38.63 | 43.69 | |||||||||||||
S.D. | 3.11 | 2.73 | 2.24 | 2.69 | 1.86 | 1.88 | 1.87 | 1.64 | 2.23 | 2.34 | 2.34 | 2.52 | 1.06 | |||||||||||||
SKEW | 0.04 | 0.29 | 0.44 | 1.85 | -0.78 | 0.11 | -0.25 | 0.01 | -0.19 | -0.33 | -0.25 | 0.45 | 0.55 | |||||||||||||
MAX | 43.90 | 44.82 | 42.87 | 52.72 | 47.45 | 52.80 | 55.29 | 54.77 | 54.07 | 50.55 | 46.43 | 46.71 | 45.90 | |||||||||||||
MIN | 30.32 | 33.54 | 35.03 | 35.60 | 38.58 | 44.87 | 46.26 | 48.03 | 44.03 | 41.00 | 36.10 | 33.68 | 42.13 | |||||||||||||
YRS | 42 | 43 | 43 | 43 | 43 | 44 | 45 | 44 | 43 | 45 | 46 | 45 | 38 |