YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | ----- | z | ----- | z | 46.47 | a | 49.66 | a | 52.26 | 54.45 | 56.53 | 54.90 | 55.43 | 51.73 | 44.80 | 42.89 | 50.91 | b | ||||||||
1932 | 40.23 | 41.12 | 44.39 | 47.50 | 50.84 | 53.22 | 54.32 | 55.74 | 53.88 | 51.89 | 48.85 | 41.74 | 48.64 | |||||||||||||
1933 | 40.76 | 39.32 | 43.44 | 45.93 | 48.82 | 52.62 | 53.94 | 55.89 | 53.17 | 50.76 | 47.60 | 44.19 | 48.04 | |||||||||||||
1934 | 45.87 | 47.86 | 48.82 | 50.28 | 53.65 | a | 53.73 | 55.05 | 56.16 | 54.12 | 52.32 | 49.80 | 45.13 | 51.07 | ||||||||||||
1935 | 42.26 | 45.95 | 42.10 | 47.42 | 50.16 | 55.27 | 55.00 | 54.90 | 54.48 | 49.76 | 45.02 | 47.21 | 49.13 | |||||||||||||
1936 | 44.89 | 36.84 | 41.85 | 48.45 | 52.34 | 57.73 | 58.76 | 57.45 | 52.87 | 51.53 | 47.28 | 44.98 | 49.58 | |||||||||||||
1937 | 35.40 | 40.50 | 46.19 | 45.67 | 50.68 | 55.27 | 55.40 | 56.02 | 54.82 | 53.61 | 48.97 | 45.76 | 49.02 | |||||||||||||
1938 | 44.06 | 43.07 | 44.74 | 48.93 | 49.85 | 52.25 | 54.06 | 54.23 | 55.22 | 52.94 | 47.05 | 44.97 | 49.28 | |||||||||||||
1939 | 44.05 | 41.04 | 43.48 | 47.67 | 51.13 | 52.42 | 54.90 | 56.16 | 54.40 | 50.82 | 51.33 | 48.29 | 49.64 | |||||||||||||
1940 | 45.90 | 46.26 | 47.73 | 50.82 | 53.27 | 54.43 | a | 56.05 | 57.60 | 57.62 | 55.66 | 46.08 | 46.63 | 51.50 | ||||||||||||
1941 | 46.53 | 48.86 | 50.29 | 50.42 | 52.18 | 55.53 | 58.06 | 55.63 | 55.80 | 52.29 | 49.83 | 44.52 | 51.66 | |||||||||||||
1942 | 44.89 | 44.54 | 44.35 | 48.45 | 51.87 | 54.24 | a | 58.72 | a | 56.35 | 54.37 | 53.37 | 45.27 | 43.52 | 49.99 | |||||||||||
1943 | 37.76 | 44.50 | 44.13 | 48.38 | 49.58 | 53.23 | 54.48 | 55.84 | 55.85 | 53.26 | 50.10 | 45.76 | 49.41 | |||||||||||||
1944 | 44.73 | 43.48 | 43.77 | 47.75 | 50.76 | 52.40 | a | 54.34 | 55.26 | 54.85 | 54.77 | 48.70 | 45.13 | 49.66 | ||||||||||||
1945 | 45.52 | 44.64 | 43.77 | 45.42 | 52.13 | 53.15 | 54.39 | 53.90 | 52.37 | 50.21 | 44.30 | 43.81 | 48.63 | |||||||||||||
1946 | 43.74 | 43.21 | 44.08 | 46.15 | 52.15 | 54.63 | 56.84 | 54.52 | 53.90 | 48.90 | 43.90 | 41.90 | 48.66 | |||||||||||||
1947 | 39.69 | 45.39 | 46.63 | 48.48 | a | 52.02 | 55.97 | 57.90 | 56.19 | 54.23 | 52.26 | 46.43 | 45.27 | 50.04 | ||||||||||||
1948 | 42.71 | 40.79 | 42.92 | 44.78 | 50.48 | 55.85 | 55.94 | 55.73 | 55.25 | 51.19 | 44.97 | 39.35 | 48.33 | |||||||||||||
1949 | 36.61 | 38.89 | 44.73 | 47.05 | 51.66 | 51.55 | 53.84 | 56.45 | 54.98 | 49.42 | 50.95 | 41.65 | 48.15 | |||||||||||||
1950 | 30.18 | 41.11 | 42.00 | 45.30 | 47.71 | 52.67 | 53.94 | 55.65 | 53.70 | 50.56 | 45.30 | 46.87 | 47.08 | |||||||||||||
1951 | 40.52 | 42.30 | 40.52 | 47.83 | 51.29 | 52.33 | 55.47 | 54.11 | 52.82 | 51.56 | 47.48 | 40.52 | 48.06 | |||||||||||||
1952 | 39.66 | 42.62 | 42.77 | 46.00 | 50.00 | 51.45 | 54.02 | 55.06 | 54.83 | 52.40 | 46.47 | 44.76 | 48.34 | |||||||||||||
1953 | 45.31 | 43.86 | 43.52 | 46.90 | 51.03 | 52.70 | 55.85 | 56.95 | 56.12 | 53.74 | 49.78 | 45.77 | 50.13 | |||||||||||||
1954 | 39.31 | 43.96 | 42.73 | 44.48 | 49.82 | 52.83 | 54.27 | 54.74 | 57.22 | 51.97 | 50.90 | 44.74 | 48.91 | |||||||||||||
1955 | 42.85 | 41.12 | 39.76 | 43.43 | 47.68 | 51.12 | a | 54.18 | 54.58 | 53.95 | 50.65 | 42.55 | b | 40.65 | 46.88 | |||||||||||
1956 | 41.19 | 38.43 | 41.37 | 46.80 | 51.52 | 53.30 | 55.10 | 55.31 | 54.62 | 50.13 | 46.88 | 42.92 | 48.13 | |||||||||||||
1957 | 37.82 | 40.79 | 44.15 | 47.40 | 52.37 | 54.23 | 55.45 | 57.50 | 58.22 | 52.66 | 48.05 | 45.73 | 49.53 | |||||||||||||
1958 | 46.58 | 48.07 | 46.50 | 48.83 | 53.35 | 58.09 | a | 56.43 | b | 57.90 | 56.22 | 52.27 | 45.85 | 46.63 | 51.39 | |||||||||||
1959 | 42.55 | 42.84 | 44.15 | 48.18 | 51.10 | 55.00 | 56.07 | a | 54.84 | 54.93 | 51.26 | 46.35 | 44.85 | 49.34 | ||||||||||||
1960 | 42.44 | 44.12 | 43.21 | 47.88 | 50.77 | 52.63 | 54.68 | 55.89 | 53.70 | 52.21 | 46.85 | 45.06 | 49.12 | |||||||||||||
1961 | 46.42 | 44.34 | 43.85 | 45.48 | 50.69 | 54.88 | 57.24 | 56.71 | 53.15 | 49.27 | 44.72 | 42.21 | 49.08 | |||||||||||||
1962 | 41.84 | 43.93 | 42.63 | 46.98 | 49.21 | 51.87 | 53.95 | 56.03 | 54.03 | 52.44 | 47.98 | 46.15 | 48.92 | |||||||||||||
1963 | 39.50 | 48.09 | 43.81 | 47.80 | 51.82 | 53.40 | 56.92 | 56.48 | 58.23 | 54.16 | 47.40 | 46.11 | 50.31 | |||||||||||||
1964 | 43.47 | 43.83 | 43.31 | 45.03 | 47.94 | 52.63 | 54.89 | 56.68 | 53.33 | 51.90 | 44.68 | 39.22 | a | 48.08 | ||||||||||||
1965 | 41.16 | 42.41 | 45.73 | 47.37 | 49.02 | 52.53 | 54.81 | 55.69 | 52.87 | 53.66 | 49.45 | 42.81 | 48.96 | |||||||||||||
1966 | 43.44 | 44.34 | 43.69 | 47.60 | 48.68 | 52.97 | 55.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.97 | e | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.99 | 43.21 | 44.10 | 47.29 | 50.83 | 53.68 | 55.47 | 55.80 | 54.73 | 51.93 | 47.20 | 44.22 | 49.20 | |||||||||||||
S.D. | 3.58 | 2.81 | 2.15 | 1.71 | 1.56 | 1.65 | 1.40 | 1.01 | 1.49 | 1.57 | 2.23 | 2.24 | 1.14 | |||||||||||||
SKEW | -1.13 | -0.02 | 0.75 | -0.05 | -0.34 | 0.86 | 0.90 | 0.13 | 0.78 | 0.13 | 0.08 | -0.60 | 0.36 | |||||||||||||
MAX | 46.58 | 48.86 | 50.29 | 50.82 | 53.65 | 58.09 | 58.76 | 57.90 | 58.23 | 55.66 | 51.33 | 48.29 | 51.66 | |||||||||||||
MIN | 30.18 | 36.84 | 39.76 | 43.43 | 47.68 | 51.12 | 53.84 | 53.90 | 52.37 | 48.90 | 42.55 | 39.22 | 46.88 | |||||||||||||
YRS | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 34 |