YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | 53.19 | d | 58.83 | 59.80 | d | ----- | z | 59.77 | d | 56.71 | 49.85 | 45.19 | b | 54.76 | e | |||
1938 | 43.55 | 43.61 | 45.56 | 50.50 | 52.63 | 57.43 | 60.23 | 57.81 | 60.38 | 54.07 | b | 45.50 | b | 42.45 | i | 51.93 | a | |||||||||
1939 | 44.37 | a | 41.00 | 45.94 | 50.81 | a | 53.14 | f | ----- | z | ----- | z | 61.88 | a | ----- | z | 54.89 | d | 49.62 | 48.44 | 49.62 | d | ||||
1940 | 42.75 | a | 46.05 | 48.23 | 50.64 | a | 55.27 | 59.45 | 62.76 | 62.24 | 60.33 | 56.56 | 44.57 | a | 43.85 | 52.73 | ||||||||||
1941 | 44.39 | 47.12 | 50.60 | 50.35 | 54.47 | a | 57.88 | 61.93 | a | 61.18 | 56.45 | 54.12 | b | 47.98 | 43.21 | 52.47 | ||||||||||
1942 | 39.95 | 42.16 | 43.94 | 49.22 | 53.47 | 55.66 | a | 63.12 | c | 63.18 | a | 59.02 | 54.19 | 45.52 | 44.10 | 51.13 | ||||||||||
1943 | 37.13 | 44.86 | 43.95 | 50.67 | 49.90 | 55.20 | 59.19 | 59.23 | 60.43 | 52.81 | 47.63 | 41.92 | 50.24 | |||||||||||||
1944 | 42.10 | 42.68 | a | 43.90 | a | 48.00 | 52.31 | 56.15 | 59.58 | 60.66 | 60.15 | 56.48 | 45.25 | 39.87 | 50.59 | |||||||||||
1945 | 43.47 | 44.37 | a | 43.44 | 46.95 | 54.35 | 55.12 | 58.60 | 57.89 | 58.48 | 53.72 | a | 45.02 | 42.47 | 50.32 | |||||||||||
1946 | 43.16 | 42.38 | 45.05 | 47.08 | 53.92 | 55.48 | 60.14 | b | 60.02 | 59.02 | 49.11 | 43.72 | a | 42.68 | 50.15 | |||||||||||
1947 | 38.39 | 46.16 | 48.66 | 51.40 | 55.40 | 57.02 | a | 60.13 | 59.81 | 59.88 | 54.71 | 46.82 | 43.94 | 51.86 | ||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.95 | 60.26 | 58.48 | 52.00 | 44.30 | 38.76 | 52.13 | f | ||||||
1949 | 31.92 | 40.75 | 46.06 | 49.63 | 54.77 | 54.98 | g | 58.92 | 59.89 | 60.60 | 49.63 | 51.95 | 42.35 | 49.68 | a | |||||||||||
1950 | 32.03 | 42.18 | 43.81 | 46.72 | 50.97 | 58.42 | 59.55 | 62.13 | 58.13 | 50.66 | 46.22 | 48.00 | 49.90 | |||||||||||||
1951 | 40.97 | 43.50 | 41.06 | 49.17 | 52.24 | 57.38 | 59.68 | a | 59.06 | 57.45 | 53.15 | 46.18 | 39.32 | 49.93 | ||||||||||||
1952 | 37.34 | 41.64 | 42.68 | 47.92 | 52.26 | 55.03 | 59.30 | a | 60.18 | 59.67 | 57.37 | 44.25 | 42.68 | 50.03 | ||||||||||||
1953 | 46.66 | 44.11 | 45.43 | a | 48.00 | 53.00 | 54.73 | 59.52 | 61.68 | 60.22 | 55.03 | 50.07 | 44.74 | 51.93 | ||||||||||||
1954 | 39.81 | 45.75 | 42.85 | 46.42 | 53.00 | 54.48 | 57.84 | 60.18 | a | 58.88 | 53.34 | 50.43 | 43.45 | 50.54 | ||||||||||||
1955 | 40.80 | a | 41.56 | a | 41.48 | a | 43.97 | 49.61 | 54.93 | b | 57.23 | 58.26 | 57.32 | 53.44 | 43.07 | 41.74 | b | 48.62 | ||||||||
1956 | 41.79 | 37.98 | a | 43.32 | 50.13 | 54.15 | 55.92 | 60.59 | b | 61.03 | 58.80 | 51.21 | 46.32 | 42.08 | 50.28 | |||||||||||
1957 | 35.47 | 43.00 | a | 45.81 | 49.13 | 54.72 | a | 58.43 | 59.39 | 59.81 | 62.52 | a | 52.90 | 44.92 | 44.53 | 50.89 | ||||||||||
1958 | 45.58 | 48.73 | 44.19 | 48.72 | a | 55.94 | 61.52 | 64.12 | a | 62.61 | 59.28 | 55.44 | 45.67 | 47.53 | 53.28 | |||||||||||
1959 | 43.53 | 43.81 | a | 45.61 | 50.33 | 52.65 | 57.83 | 60.67 | a | 59.92 | 57.70 | 54.05 | 46.29 | a | 42.87 | 51.27 | ||||||||||
1960 | 39.26 | 43.62 | 45.53 | 49.88 | 51.56 | 57.12 | 59.48 | 60.76 | 58.97 | 54.06 | 46.35 | 42.21 | 50.73 | |||||||||||||
1961 | 46.48 | 46.66 | 46.52 | 47.88 | 53.94 | 59.38 | 62.09 | b | 62.60 | 56.90 | 51.97 | a | 43.12 | a | 41.84 | 51.61 | ||||||||||
1962 | 39.94 | 44.38 | 43.50 | 49.27 | 50.94 | 55.32 | 58.92 | 60.33 | a | 59.59 | a | 53.61 | 47.90 | 43.71 | 50.62 | |||||||||||
1963 | 36.47 | 50.36 | 44.73 | 48.02 | 52.52 | 56.32 | 60.05 | 61.42 | 61.77 | 54.87 | 47.00 | 43.76 | 51.44 | |||||||||||||
1964 | 43.45 | 42.36 | 43.60 | 46.03 | 50.29 | 55.57 | 59.47 | 59.98 | 57.18 | 53.63 | 43.55 | a | 39.05 | 49.51 | ||||||||||||
1965 | 41.14 | c | 42.55 | 44.76 | 47.72 | 48.44 | 53.30 | 59.03 | a | 62.23 | 56.91 | a | 55.31 | 49.30 | 39.94 | 50.05 | ||||||||||
1966 | 42.58 | 43.11 | 44.34 | 50.43 | 51.74 | 57.23 | 59.89 | 60.06 | 60.16 | a | 52.90 | a | 47.65 | 45.18 | 51.27 | |||||||||||
1967 | 44.47 | 43.43 | a | 43.10 | 44.76 | a | 52.76 | 59.78 | a | 60.40 | 64.35 | 61.58 | 54.60 | 47.77 | 41.21 | 51.52 | ||||||||||
1968 | 40.74 | 48.05 | 47.85 | 47.17 | 53.95 | 56.97 | 62.19 | 60.77 | a | 59.58 | 51.42 | 48.67 | 38.90 | 51.36 | ||||||||||||
1969 | 34.40 | 40.11 | 45.53 | 48.29 | a | 55.44 | 61.08 | 59.95 | 59.50 | 59.12 | 51.53 | 46.95 | 44.53 | 50.54 | ||||||||||||
1970 | 42.10 | 47.18 | 46.13 | 45.62 | 52.89 | 58.42 | 59.68 | 59.69 | 56.35 | 51.71 | 46.72 | 40.44 | 50.58 | |||||||||||||
1971 | 39.84 | 42.50 | 41.82 | 46.92 | 51.98 | a | 54.57 | 59.11 | 61.90 | 56.76 | a | 49.52 | 45.35 | 39.27 | 49.13 | |||||||||||
1972 | 38.08 | 41.55 | 45.69 | 45.25 | 53.16 | 56.93 | a | 61.76 | f | 61.26 | 56.17 | 50.45 | 46.21 | a | 38.74 | 48.50 | a | |||||||||
1973 | 39.60 | 43.56 | a | 44.55 | 48.54 | b | 52.56 | 56.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.50 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.68 | 43.79 | 44.83 | 48.33 | 52.87 | 56.91 | 60.04 | 60.68 | 58.97 | 53.37 | 46.60 | 42.64 | 50.82 | |||||||||||||
S.D. | 3.69 | 2.58 | 2.01 | 1.90 | 1.75 | 1.95 | 1.46 | 1.47 | 1.61 | 2.08 | 2.16 | 2.56 | 1.03 | |||||||||||||
SKEW | -0.64 | 0.46 | 0.63 | -0.40 | -0.45 | 0.50 | 0.97 | 0.21 | 0.02 | -0.21 | 0.46 | 0.32 | 0.30 | |||||||||||||
MAX | 46.66 | 50.36 | 50.60 | 51.40 | 55.94 | 61.52 | 64.12 | 64.35 | 62.52 | 57.37 | 51.95 | 48.44 | 53.28 | |||||||||||||
MIN | 31.92 | 37.98 | 41.06 | 43.97 | 48.44 | 53.30 | 57.23 | 57.81 | 56.17 | 49.11 | 43.07 | 38.74 | 48.62 | |||||||||||||
YRS | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 35 | 35 | 36 | 36 | 35 | 30 |