YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | 43.85 | d | 49.00 | 51.22 | d | 51.29 | g | 51.11 | c | 46.81 | 43.90 | 39.00 | b | 46.41 | e | |||
1938 | 36.52 | 35.39 | 36.84 | 41.30 | 42.39 | 49.53 | 50.61 | 47.71 | 51.27 | 44.81 | 38.68 | b | 37.11 | d | 42.68 | |||||||||||
1939 | 39.39 | 34.64 | 38.10 | 39.83 | 43.48 | 48.80 | o | ----- | z | 50.61 | ----- | z | 44.63 | d | 38.47 | 38.35 | 40.83 | c | ||||||||
1940 | 33.10 | 37.03 | 39.03 | 41.33 | 43.74 | 48.40 | 56.39 | 51.16 | 50.47 | 47.03 | 34.57 | 36.48 | 43.23 | |||||||||||||
1941 | 36.68 | 36.93 | 37.10 | 39.47 | 44.26 | 47.60 | 52.94 | 52.42 | 47.20 | 44.93 | b | 39.67 | 36.74 | 42.99 | ||||||||||||
1942 | 32.19 | 33.07 | 33.29 | 39.70 | 44.19 | 47.30 | 55.00 | 54.13 | 48.67 | 42.90 | 37.70 | 37.71 | 42.15 | |||||||||||||
1943 | 29.23 | 34.61 | 33.94 | 41.10 | 40.32 | 46.57 | 51.00 | 49.87 | 47.90 | 44.00 | 37.90 | 33.16 | 40.80 | |||||||||||||
1944 | 33.65 | 34.61 | a | 34.10 | a | 38.77 | 42.35 | 47.30 | 51.61 | 51.74 | 49.40 | 46.84 | 37.37 | 31.61 | 41.61 | |||||||||||
1945 | 35.71 | 36.29 | 34.97 | 38.77 | 44.77 | 44.67 | 47.55 | 48.23 | 47.83 | 43.29 | 38.00 | 35.58 | 41.30 | |||||||||||||
1946 | 35.48 | 35.25 | 35.90 | 37.97 | 44.81 | 46.67 | 50.97 | 50.48 | 49.20 | 39.45 | 34.48 | a | 36.55 | 41.43 | ||||||||||||
1947 | 31.74 | 37.04 | 38.97 | 41.40 | 45.19 | 48.38 | a | 50.00 | 50.68 | 47.33 | 45.55 | 39.37 | 36.81 | 42.70 | ||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.55 | 52.94 | 46.83 | 41.42 | 36.67 | 32.10 | 43.25 | f | ||||||
1949 | 24.58 | 33.32 | 37.61 | 40.43 | 45.19 | 45.39 | g | 49.45 | 49.42 | 49.40 | 38.23 | 43.30 | 35.74 | 40.61 | a | |||||||||||
1950 | 25.35 | 34.93 | 37.13 | 37.37 | 41.03 | 49.13 | 50.19 | 52.55 | 46.83 | 42.81 | 39.83 | 42.97 | 41.68 | |||||||||||||
1951 | 34.32 | 35.11 | 32.65 | 36.93 | 41.77 | 47.70 | 50.97 | 48.77 | 47.50 | 43.52 | 37.67 | 32.71 | 40.80 | |||||||||||||
1952 | 31.45 | 34.41 | 34.97 | 36.23 | 40.97 | 46.47 | 50.48 | 51.16 | 47.70 | 46.03 | 32.90 | 35.61 | 40.70 | |||||||||||||
1953 | 41.35 | 36.61 | 36.94 | 39.07 | 43.16 | 46.53 | 49.87 | 53.35 | 49.63 | 44.42 | 43.63 | 38.55 | 43.59 | |||||||||||||
1954 | 33.90 | 37.29 | 31.74 | 37.43 | 43.00 | 46.30 | 49.06 | 52.07 | a | 48.90 | 41.74 | 43.60 | 36.61 | 41.80 | ||||||||||||
1955 | 34.84 | 33.59 | a | 33.73 | a | 34.87 | 40.58 | 47.63 | 50.16 | 48.00 | 45.53 | 44.58 | 36.30 | 35.24 | b | 40.42 | ||||||||||
1956 | 35.58 | 31.50 | a | 35.23 | 39.00 | 43.87 | 47.77 | 50.90 | 52.45 | 48.27 | 43.45 | 35.73 | 35.77 | 41.63 | ||||||||||||
1957 | 28.39 | 35.33 | a | 38.10 | 39.97 | 45.26 | 49.33 | 48.97 | 48.61 | 49.62 | a | 42.52 | 34.27 | 37.29 | 41.47 | |||||||||||
1958 | 38.35 | 40.75 | 32.84 | 38.37 | 45.26 | 52.53 | 54.94 | 51.55 | 47.77 | 44.35 | 38.00 | 41.84 | 43.88 | |||||||||||||
1959 | 37.23 | 36.29 | 37.13 | 40.93 | 41.48 | 49.37 | 50.16 | 49.71 | 48.23 | 44.71 | 36.30 | 35.19 | 42.23 | |||||||||||||
1960 | 33.26 | 35.38 | 37.32 | 41.03 | 42.29 | 47.23 | 48.29 | 52.19 | 46.73 | 45.03 | 38.37 | 34.74 | 41.82 | |||||||||||||
1961 | 39.00 | 40.89 | 38.42 | 39.43 | 44.68 | 48.07 | 53.77 | 52.94 | 44.87 | 42.23 | a | 34.17 | 35.61 | 42.84 | ||||||||||||
1962 | 32.19 | 36.00 | 34.00 | 39.47 | 42.71 | 45.60 | 50.68 | 50.37 | a | 49.30 | 44.87 | 40.43 | 36.35 | 41.83 | ||||||||||||
1963 | 29.71 | 42.25 | 36.19 | 39.63 | 41.00 | 48.50 | 52.00 | 52.87 | 50.30 | 46.45 | 40.43 | 37.32 | 43.06 | |||||||||||||
1964 | 37.74 | 33.48 | 35.74 | 36.97 | 41.00 | 47.23 | 50.74 | 50.23 | 46.63 | 43.19 | 36.10 | a | 33.45 | 41.04 | ||||||||||||
1965 | 35.87 | 37.96 | 34.58 | 40.00 | 42.29 | 46.07 | 50.71 | 52.32 | 45.21 | a | 44.48 | 42.67 | 33.39 | 42.13 | ||||||||||||
1966 | 37.03 | 35.89 | 35.13 | 41.13 | 40.35 | 46.50 | 51.13 | 48.65 | 48.60 | 42.33 | a | 39.00 | 39.68 | 42.12 | ||||||||||||
1967 | 39.10 | 35.25 | 34.74 | 33.87 | 42.68 | 50.40 | 48.39 | 52.32 | 48.67 | 45.10 | 39.43 | 35.58 | 42.13 | |||||||||||||
1968 | 33.39 | 36.79 | 39.06 | 36.17 | 42.87 | 46.37 | 51.81 | 50.52 | 48.63 | 41.74 | 42.33 | 33.32 | 41.92 | |||||||||||||
1969 | 28.81 | 32.25 | 34.71 | 38.63 | 43.45 | 52.87 | 50.55 | 48.06 | 49.80 | 40.90 | 37.93 | 37.71 | 41.31 | |||||||||||||
1970 | 35.16 | 36.46 | 35.16 | 35.87 | 41.23 | 47.80 | 48.77 | 48.10 | 44.37 | 41.84 | 38.87 | 33.81 | 40.62 | |||||||||||||
1971 | 33.94 | 34.50 | 32.84 | 36.87 | 41.97 | a | 45.60 | 49.42 | 50.65 | 44.10 | a | 38.68 | 38.00 | 32.90 | 39.95 | |||||||||||
1972 | 31.29 | 33.59 | 37.58 | 35.97 | 43.35 | 47.21 | a | 50.92 | f | 49.10 | 44.47 | 38.77 | 37.93 | a | 32.58 | 39.26 | a | |||||||||
1973 | 32.65 | 33.63 | a | 35.52 | 38.32 | b | 41.39 | 47.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.09 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.95 | 35.67 | 35.75 | 38.67 | 42.84 | 47.78 | 50.83 | 50.74 | 47.95 | 43.43 | 38.44 | 35.98 | 41.87 | |||||||||||||
S.D. | 3.86 | 2.30 | 2.00 | 1.99 | 1.53 | 1.77 | 1.94 | 1.79 | 1.89 | 2.30 | 2.83 | 2.58 | 0.95 | |||||||||||||
SKEW | -0.47 | 0.98 | -0.04 | -0.51 | 0.04 | 1.11 | 1.07 | -0.10 | -0.40 | -0.60 | 0.27 | 0.57 | 0.16 | |||||||||||||
MAX | 41.35 | 42.25 | 39.06 | 41.40 | 45.26 | 52.87 | 56.39 | 54.13 | 51.27 | 47.03 | 43.90 | 42.97 | 43.88 | |||||||||||||
MIN | 24.58 | 31.50 | 31.74 | 33.87 | 40.32 | 44.67 | 47.55 | 47.71 | 44.10 | 38.23 | 32.90 | 31.61 | 39.95 | |||||||||||||
YRS | 35 | 35 | 35 | 35 | 36 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 31 |