YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.34 | b | 61.82 | 62.81 | 59.68 | 57.40 | 48.78 | 44.85 | 56.24 | e | ||||||
1938 | 43.35 | a | 44.57 | 47.54 | d | 56.78 | a | ----- | z | ----- | z | 60.79 | 60.92 | 62.80 | 57.02 | 47.31 | a | 46.45 | 52.75 | b | ||||||
1939 | 45.21 | 43.87 | a | 48.65 | 52.80 | 56.18 | a | 57.60 | 61.33 | a | ----- | z | ----- | z | 56.81 | 51.27 | 48.66 | 52.24 | b | |||||||
1940 | 45.14 | c | 47.80 | b | 48.98 | c | 51.67 | 54.41 | c | 57.03 | 59.97 | a | 61.08 | 59.55 | 55.66 | 46.11 | b | 44.08 | 52.62 | |||||||
1941 | 45.40 | 46.44 | a | 48.23 | a | 48.07 | b | 53.76 | 56.18 | 61.77 | 58.15 | 60.00 | i | 56.87 | 51.18 | 45.73 | a | 51.98 | a | |||||||
1942 | 44.10 | 46.21 | 47.60 | b | 51.67 | 54.27 | 57.77 | b | 63.71 | 63.23 | 60.05 | 57.76 | 49.18 | 47.19 | d | 53.56 | ||||||||||
1943 | 42.14 | c | 49.48 | 47.89 | 51.38 | 52.19 | 56.32 | 58.82 | 60.19 | b | ----- | z | 54.81 | b | 49.79 | b | 43.17 | b | 51.47 | a | ||||||
1944 | 44.15 | a | 44.07 | 46.40 | 48.65 | 53.24 | 56.33 | 59.48 | b | 60.88 | c | 60.10 | 57.42 | 47.60 | 43.68 | 51.83 | ||||||||||
1945 | 45.48 | a | 46.18 | 45.21 | 47.60 | a | 53.82 | 56.63 | 58.47 | b | 58.52 | 57.62 | 53.03 | 47.96 | b | 45.10 | 51.30 | |||||||||
1946 | 43.40 | 44.29 | 45.73 | 48.37 | 54.02 | a | 56.42 | 59.42 | a | 58.97 | a | 57.85 | 50.94 | 45.68 | 43.98 | 50.75 | ||||||||||
1947 | 41.13 | a | 47.30 | 49.15 | a | 52.13 | 54.24 | 56.83 | 60.68 | 59.57 | a | 58.58 | 55.13 | a | 48.87 | 45.32 | 52.41 | |||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.16 | 62.07 | c | 59.48 | a | 53.15 | a | 46.52 | ----- | z | 56.28 | g | ||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 54.89 | m | 57.22 | 57.94 | 60.47 | 59.50 | 50.58 | 52.80 | 43.69 | 54.60 | e | |||||||
1950 | 40.27 | 48.39 | 47.81 | 49.08 | 49.94 | 57.05 | ----- | z | ----- | z | ----- | z | ----- | z | 52.33 | a | 52.61 | 49.69 | d | |||||||
1951 | 46.19 | 47.07 | 45.27 | 50.85 | 55.40 | 59.23 | 62.00 | 61.38 | a | 58.98 | 56.48 | a | 50.27 | 42.66 | 52.98 | |||||||||||
1952 | 42.00 | 45.02 | a | 45.07 | a | 50.07 | 53.76 | 55.00 | 59.28 | a | 60.69 | 59.78 | 57.08 | 45.30 | 45.40 | 51.54 | ||||||||||
1953 | 49.37 | 45.61 | 46.35 | 48.87 | 52.79 | 54.80 | 59.87 | 61.73 | 61.92 | 56.48 | 51.63 | 46.44 | 52.99 | |||||||||||||
1954 | 44.45 | 48.14 | 45.24 | 48.60 | 53.88 | a | 55.35 | 58.02 | 59.79 | 59.64 | b | 54.66 | 52.25 | 44.60 | 52.05 | |||||||||||
1955 | 42.97 | 42.68 | 44.35 | 45.65 | 50.47 | b | 55.45 | 57.85 | 58.44 | 58.53 | a | 55.31 | 48.38 | 45.52 | 50.47 | |||||||||||
1956 | 44.16 | 40.95 | 45.65 | a | 49.59 | a | 54.87 | 55.68 | 60.73 | 60.81 | 59.36 | a | 53.56 | 46.70 | 44.53 | 51.38 | ||||||||||
1957 | 38.58 | 47.07 | 48.26 | 50.59 | a | 55.27 | 59.05 | a | 59.92 | 60.77 | 62.26 | a | 54.97 | 47.62 | 46.85 | 52.60 | ||||||||||
1958 | 47.33 | a | 50.98 | a | 45.23 | 50.62 | 55.68 | 60.65 | 62.18 | 61.61 | 60.37 | 56.03 | 49.25 | 48.97 | 54.07 | |||||||||||
1959 | 47.15 | a | 45.00 | 47.23 | 50.30 | 53.26 | 58.08 | 59.32 | 59.45 | 56.85 | 55.66 | 49.55 | a | 45.05 | 52.24 | |||||||||||
1960 | 42.92 | 45.03 | 48.42 | 50.98 | 52.47 | 56.88 | 57.68 | 58.08 | 58.23 | 55.15 | 48.58 | 45.15 | 51.63 | |||||||||||||
1961 | 47.56 | 47.61 | 47.66 | 48.95 | 52.06 | 59.23 | 60.97 | 61.77 | 57.13 | 53.85 | 45.33 | 44.26 | 52.20 | |||||||||||||
1962 | 40.90 | 45.79 | 46.05 | 51.08 | 51.15 | 55.85 | 58.48 | 61.69 | 60.38 | 55.26 | 50.23 | 45.82 | 51.89 | |||||||||||||
1963 | 39.65 | 52.11 | 46.60 | 48.02 | 53.16 | 57.07 | 59.63 | 60.77 | 62.13 | 56.42 | 49.65 | 45.32 | 52.54 | |||||||||||||
1964 | 44.08 | 44.84 | 45.58 | 47.43 | 51.03 | 56.87 | 60.11 | 60.65 | 58.22 | 56.52 | 46.30 | 44.34 | 51.33 | |||||||||||||
1965 | 44.23 | 45.18 | 47.15 | 50.60 | 50.79 | 54.67 | 59.10 | 63.31 | 58.80 | 57.82 | 50.70 | 41.98 | 52.03 | |||||||||||||
1966 | 44.60 | 43.43 | 45.50 | 50.57 | 52.35 | 58.29 | a | 59.89 | 60.98 | 62.03 | 54.98 | 49.50 | 46.19 | 52.36 | ||||||||||||
1967 | 45.24 | 46.29 | 45.19 | 46.40 | 53.87 | 59.05 | 61.23 | 63.34 | 63.58 | 56.35 | 50.62 | 43.29 | 52.87 | |||||||||||||
1968 | 43.74 | 51.53 | 49.63 | 48.02 | 53.56 | 58.85 | 61.29 | 62.32 | 60.68 | 54.76 | 49.37 | 43.68 | 53.12 | |||||||||||||
1969 | 39.73 | 42.16 | 47.60 | 49.23 | 56.21 | 59.65 | 59.85 | 60.72 | a | 60.18 | 54.76 | 49.45 | 46.05 | 52.13 | ||||||||||||
1970 | 46.50 | 48.64 | 49.15 | 47.40 | 54.06 | 57.95 | 60.11 | 59.76 | 57.32 | 53.52 | 48.62 | 43.61 | 52.22 | |||||||||||||
1971 | 42.02 | 44.96 | 44.95 | 48.47 | 52.35 | 55.98 | 59.27 | 62.90 | 58.77 | 51.81 | 47.12 | a | 41.77 | 50.87 | ||||||||||||
1972 | 41.06 | 45.78 | 49.21 | 47.28 | 53.87 | 58.03 | 61.47 | a | 61.52 | 57.53 | 53.00 | 49.20 | 40.81 | 51.56 | ||||||||||||
1973 | 41.48 | 48.14 | 45.55 | 50.31 | a | 54.45 | a | 57.97 | 59.68 | a | 58.87 | 56.57 | a | 53.92 | a | 47.15 | 47.63 | 51.81 | ||||||||
1974 | 41.44 | 43.75 | 46.95 | 49.53 | 52.79 | 57.00 | a | 60.23 | 61.00 | a | 60.67 | 53.81 | 49.68 | 45.90 | a | 51.90 | ||||||||||
1975 | 45.60 | 44.75 | 45.34 | 45.18 | 53.13 | 56.48 | 60.11 | 59.44 | 59.48 | a | 53.45 | 46.48 | 45.24 | 51.22 | ||||||||||||
1976 | 44.57 | a | 44.21 | a | 44.78 | a | 47.28 | 53.10 | 55.43 | 60.32 | 60.37 | a | 59.81 | c | 54.98 | 51.73 | 42.73 | 51.61 | ||||||||
1977 | 43.55 | 50.05 | 46.06 | 50.57 | 51.30 | a | 58.18 | 59.48 | 62.00 | a | 58.68 | 55.61 | 47.73 | 46.93 | a | 52.51 | ||||||||||
1978 | 46.85 | 48.29 | 51.24 | 50.38 | b | 53.60 | 60.42 | 60.40 | a | 62.02 | 60.10 | 56.79 | 44.95 | 40.53 | 52.96 | |||||||||||
1979 | 38.19 | 44.95 | 50.48 | a | 51.17 | 54.77 | 58.00 | 62.34 | 62.50 | 63.67 | d | 57.31 | 48.00 | a | 47.35 | 53.23 | ||||||||||
1980 | 41.67 | a | 48.59 | 47.60 | g | 50.68 | b | 53.55 | 56.45 | 61.10 | a | 58.89 | 59.86 | a | 55.92 | 50.15 | 46.71 | b | 53.05 | a | ||||||
1981 | 48.94 | o | 47.82 | 48.89 | 50.47 | 53.75 | a | 58.53 | a | 59.62 | a | 60.81 | 59.19 | a | 53.47 | 48.63 | 45.34 | 53.32 | a | |||||||
1982 | 39.48 | 43.12 | b | 45.20 | a | 46.08 | 52.82 | 56.71 | d | 59.64 | c | 61.09 | b | 60.05 | 56.00 | a | 46.60 | 43.69 | e | 50.87 | ||||||
1983 | 46.17 | m | 49.11 | j | 51.31 | r | 51.67 | i | 54.31 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.31 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.50 | 46.24 | 46.98 | 49.52 | 53.39 | 57.29 | 60.12 | 60.82 | 59.67 | 55.16 | 48.74 | 45.09 | 52.10 | |||||||||||||
S.D. | 2.60 | 2.50 | 1.74 | 2.14 | 1.46 | 1.46 | 1.29 | 1.41 | 1.71 | 1.75 | 2.01 | 2.18 | 0.82 | |||||||||||||
SKEW | -0.08 | 0.36 | 0.49 | 0.52 | -0.34 | 0.29 | 0.32 | -0.16 | 0.48 | -0.65 | 0.04 | 0.65 | 0.15 | |||||||||||||
MAX | 49.37 | 52.11 | 51.24 | 56.78 | 56.21 | 60.65 | 63.71 | 63.34 | 63.67 | 57.82 | 52.80 | 52.61 | 54.07 | |||||||||||||
MIN | 38.19 | 40.95 | 44.35 | 45.18 | 49.94 | 54.67 | 57.68 | 58.08 | 56.57 | 50.58 | 44.95 | 40.53 | 50.47 | |||||||||||||
YRS | 42 | 43 | 42 | 43 | 43 | 44 | 45 | 44 | 42 | 45 | 46 | 45 | 36 |