YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | 41.21 | q | 42.89 | a | 48.87 | a | 49.08 | 51.89 | 57.32 | 57.18 | a | 60.73 | 57.63 | 53.16 | 49.67 | 39.87 | a | 51.66 | a | |||||||
1933 | 40.81 | 40.52 | a | 45.32 | 47.07 | 48.79 | 54.98 | 57.66 | 59.65 | 55.08 | 53.53 | 46.57 | 46.94 | 49.74 | ||||||||||||
1934 | 46.45 | 45.33 | a | 49.88 | a | 49.27 | 55.05 | 55.83 | a | 58.06 | 60.35 | a | 59.32 | e | 56.52 | b | 51.33 | a | 45.93 | a | 52.78 | |||||
1935 | 43.23 | 47.96 | 41.82 | a | 49.32 | 50.58 | a | 57.14 | a | 58.15 | 59.82 | 59.93 | 52.24 | 44.53 | a | 45.73 | e | 50.87 | ||||||||
1936 | 43.09 | d | 43.02 | 45.53 | 51.25 | 54.98 | 59.43 | 59.92 | 61.35 | 58.38 | 56.31 | 46.95 | 44.45 | a | 52.06 | |||||||||||
1937 | 35.61 | 43.48 | 48.76 | 46.70 | 51.61 | 58.32 | 60.34 | 61.53 | b | 58.67 | 56.94 | 51.10 | 46.94 | 51.67 | ||||||||||||
1938 | 45.77 | a | 45.29 | 46.31 | 50.48 | 53.57 | a | 57.27 | 60.28 | b | 58.05 | 61.15 | 55.00 | 45.28 | 45.73 | 52.01 | ||||||||||
1939 | 43.55 | a | 42.02 | 46.63 | 51.28 | a | 53.47 | b | 55.43 | 60.88 | a | 61.08 | 60.43 | 54.85 | 51.22 | 48.45 | 52.44 | |||||||||
1940 | 46.11 | 47.64 | 49.89 | 51.68 | 55.18 | a | 58.58 | 61.11 | 62.58 | 62.02 | a | 58.10 | a | 47.46 | f | 46.61 | c | 54.50 | a | |||||||
1941 | 47.45 | 49.00 | a | 51.65 | 50.22 | 55.24 | 58.29 | b | 62.77 | 61.92 | 59.07 | 55.08 | 51.17 | 45.26 | b | 53.93 | ||||||||||
1942 | 45.02 | 44.93 | 45.48 | a | 50.21 | a | 52.55 | 56.60 | 62.83 | b | 62.28 | a | 58.83 | 55.95 | 48.37 | 46.32 | 52.45 | |||||||||
1943 | 40.98 | 48.41 | 47.12 | a | 50.43 | a | 51.45 | 55.98 | 59.37 | 59.92 | 60.83 | 54.23 | 49.68 | 43.00 | b | 51.78 | ||||||||||
1944 | 43.19 | 43.17 | 44.94 | 48.07 | 52.19 | 55.72 | 60.45 | 60.71 | 59.80 | 57.06 | 46.85 | 44.44 | 51.38 | |||||||||||||
1945 | 45.39 | h | 45.98 | 44.90 | 47.86 | a | 54.02 | a | 57.70 | 60.65 | a | 60.10 | 58.55 | 54.55 | ----- | z | 44.65 | a | 52.90 | b | ||||||
1946 | 43.53 | 44.15 | a | 46.02 | a | 49.05 | a | 54.00 | 56.23 | 60.47 | 59.68 | 58.41 | a | 49.81 | 45.16 | a | 44.37 | 50.91 | ||||||||
1947 | 40.52 | 47.45 | 49.08 | a | 53.00 | 54.55 | 56.93 | 60.67 | a | 59.71 | 59.25 | b | 54.32 | 48.63 | 44.47 | a | 52.38 | |||||||||
1948 | 44.11 | 41.89 | b | 43.77 | 45.57 | ----- | z | 58.17 | 58.81 | 60.56 | 58.08 | 51.89 | 44.84 | a | 39.26 | 49.72 | a | |||||||||
1949 | 33.77 | a | 42.68 | 46.16 | 50.25 | 54.77 | a | 57.65 | 59.76 | 60.77 | 58.90 | a | 49.47 | 52.17 | a | 43.00 | 50.78 | |||||||||
1950 | 36.53 | 44.91 | 45.45 | 47.97 | 50.69 | b | 57.63 | 60.95 | b | 62.27 | 58.52 | a | 54.23 | a | 50.07 | a | 50.56 | 51.65 | ||||||||
1951 | 42.44 | 45.24 | a | 43.37 | a | 49.48 | 53.10 | 57.37 | 59.76 | 59.11 | 56.08 | 53.95 | b | 49.71 | b | 41.95 | 50.96 | |||||||||
1952 | 41.81 | 45.74 | 43.81 | 48.80 | 53.00 | 55.33 | 59.90 | 60.37 | 59.42 | 56.58 | 44.10 | 44.74 | 51.13 | |||||||||||||
1953 | 48.73 | 45.16 | 44.87 | 48.50 | 52.08 | 53.85 | 60.06 | 61.35 | 60.90 | 55.32 | 50.81 | a | 46.16 | 52.32 | ||||||||||||
1954 | 44.18 | 47.93 | 44.69 | 48.67 | 53.97 | 55.40 | 58.19 | d | 60.26 | 58.57 | 53.58 | 51.72 | 44.79 | 51.83 | ||||||||||||
1955 | 42.82 | 42.09 | 44.06 | 44.93 | 50.29 | 55.76 | a | 58.10 | 59.48 | 58.32 | 54.37 | 47.42 | 45.59 | b | 50.27 | |||||||||||
1956 | 44.11 | 40.62 | 44.76 | 49.38 | 55.56 | 55.79 | b | 61.61 | 61.90 | 59.43 | 52.83 | a | 46.45 | 44.52 | 51.41 | |||||||||||
1957 | 38.53 | 47.00 | 48.57 | a | 50.72 | 55.06 | 59.48 | 60.53 | 60.31 | 63.52 | 54.68 | 46.85 | 46.83 | a | 52.67 | |||||||||||
1958 | 47.13 | 50.89 | 45.13 | 50.65 | 56.84 | 61.64 | a | 64.61 | 65.05 | 61.86 | b | 57.00 | 50.12 | 49.53 | 55.04 | |||||||||||
1959 | 47.53 | 44.39 | 47.90 | a | 51.40 | 53.60 | 58.70 | 61.35 | 61.24 | 58.55 | a | 56.53 | 49.85 | 45.56 | 53.05 | |||||||||||
1960 | 43.25 | a | 45.78 | 48.10 | 50.90 | 52.27 | 58.93 | a | 59.82 | 60.84 | 59.90 | 55.31 | 48.73 | 45.52 | a | 52.45 | ||||||||||
1961 | 48.27 | a | 47.98 | 47.71 | 49.35 | 52.81 | 59.92 | 62.63 | 63.40 | 58.42 | 54.32 | 45.75 | 44.56 | 52.93 | ||||||||||||
1962 | 42.03 | 46.05 | 45.85 | 51.10 | 50.69 | 56.18 | 59.90 | 63.40 | 61.40 | 55.48 | 50.30 | 46.97 | 52.45 | |||||||||||||
1963 | 39.92 | 52.86 | 46.18 | 47.53 | 52.92 | 58.13 | 59.92 | 62.79 | 63.88 | ----- | z | 49.30 | 46.15 | a | 52.69 | a | ||||||||||
1964 | 44.39 | 44.34 | 45.13 | 47.22 | 50.95 | 57.32 | 60.82 | 61.97 | 58.93 | 56.47 | 46.12 | 43.95 | 51.47 | |||||||||||||
1965 | 44.06 | 45.68 | 47.87 | 50.53 | 51.18 | a | 56.35 | 61.63 | 63.90 | 59.37 | 57.73 | 50.73 | 41.84 | 52.57 | ||||||||||||
1966 | 45.21 | 44.39 | a | 46.44 | 50.45 | 51.94 | 61.50 | a | 61.40 | 62.97 | a | 62.88 | a | 54.80 | a | 49.38 | a | 46.19 | 53.13 | |||||||
1967 | 45.44 | 45.39 | 44.39 | 45.50 | 54.71 | 59.97 | 63.05 | 65.60 | 65.47 | 56.77 | 50.28 | 43.27 | 53.32 | |||||||||||||
1968 | 43.65 | 51.53 | 49.92 | 48.68 | 52.13 | 57.50 | 60.73 | 61.23 | 59.68 | 52.66 | 49.22 | 42.50 | 52.45 | |||||||||||||
1969 | 39.08 | 41.29 | 46.50 | 48.07 | 54.60 | 59.08 | 58.56 | 58.58 | 58.97 | 53.19 | 47.63 | 46.31 | 50.99 | |||||||||||||
1970 | 45.47 | a | 48.32 | 47.45 | 45.33 | 51.95 | 56.80 | 59.27 | a | 58.19 | 56.23 | b | 51.73 | a | 48.36 | a | ----- | z | 51.74 | a | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.18 | 45.47 | 46.42 | 49.13 | 53.01 | 57.44 | 60.31 | 61.15 | 59.61 | 54.65 | 48.55 | 45.08 | 52.04 | |||||||||||||
S.D. | 3.41 | 2.89 | 2.12 | 1.91 | 1.79 | 1.75 | 1.59 | 1.72 | 2.08 | 2.02 | 2.26 | 2.27 | 1.07 | |||||||||||||
SKEW | -0.83 | 0.47 | 0.36 | -0.46 | -0.10 | 0.44 | 0.32 | 0.55 | 0.64 | -0.61 | -0.36 | -0.27 | 0.35 | |||||||||||||
MAX | 48.73 | 52.86 | 51.65 | 53.00 | 56.84 | 61.64 | 64.61 | 65.60 | 65.47 | 58.10 | 52.17 | 50.56 | 55.04 | |||||||||||||
MIN | 33.77 | 40.52 | 41.82 | 44.93 | 48.79 | 53.85 | 57.18 | 58.05 | 55.08 | 49.47 | 44.10 | 39.26 | 49.74 | |||||||||||||
YRS | 37 | 39 | 39 | 39 | 38 | 39 | 39 | 39 | 39 | 38 | 37 | 38 | 33 |