YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | 48.80 | p | 50.00 | a | 54.94 | 56.63 | 61.42 | 68.13 | 67.84 | 72.61 | 71.97 | 63.48 | 57.63 | 47.50 | a | 61.11 | a | |||||||||
1933 | 47.55 | 48.61 | 52.48 | 57.33 | 55.23 | 64.30 | 69.97 | 70.48 | 64.33 | 63.58 | 56.17 | 51.10 | 58.43 | |||||||||||||
1934 | 51.71 | 52.15 | a | 56.37 | a | 55.43 | 62.13 | 66.93 | 69.68 | 70.97 | 73.62 | a | 66.74 | 57.57 | 52.65 | 61.33 | ||||||||||
1935 | 50.71 | 56.50 | 50.42 | 58.73 | 63.13 | 68.00 | a | 69.45 | 73.55 | 72.03 | 62.55 | 54.57 | 52.85 | e | 61.04 | |||||||||||
1936 | 48.11 | c | 51.59 | 55.65 | 61.07 | 65.45 | 68.97 | 71.29 | 75.06 | 72.67 | 70.29 | 60.33 | 51.84 | 62.69 | ||||||||||||
1937 | 42.74 | 50.25 | 57.06 | 55.17 | 61.16 | 67.23 | 72.39 | 73.29 | 69.50 | 67.03 | 57.60 | 54.16 | 60.63 | |||||||||||||
1938 | 53.48 | 53.32 | 54.19 | 59.53 | 64.23 | a | 68.67 | 71.50 | a | 71.55 | 70.97 | 64.84 | 53.97 | 53.68 | 61.66 | |||||||||||
1939 | 51.29 | 49.54 | 56.29 | 63.20 | 63.93 | b | 64.83 | 72.32 | 73.00 | 74.20 | 64.10 | 61.10 | 54.48 | 62.36 | ||||||||||||
1940 | 54.32 | 54.52 | 59.23 | 61.63 | 66.60 | a | 72.53 | 72.39 | 75.29 | 72.17 | 67.10 | a | 56.46 | b | 55.25 | c | 63.96 | |||||||||
1941 | 54.58 | 59.25 | 62.87 | 60.07 | 65.13 | 67.48 | a | 73.87 | 71.52 | 69.67 | 65.52 | 59.67 | 52.07 | a | 63.47 | |||||||||||
1942 | 52.74 | 52.64 | 55.67 | a | 58.83 | 61.74 | 66.33 | 73.14 | b | 73.93 | a | 70.63 | 67.58 | 55.00 | 52.48 | 61.73 | ||||||||||
1943 | 49.35 | 59.36 | 56.35 | 59.83 | 61.97 | 65.63 | 71.16 | 71.32 | 74.67 | 62.90 | 60.00 | 53.00 | 62.13 | |||||||||||||
1944 | 52.19 | 52.24 | 56.65 | 56.80 | 63.71 | 66.03 | 72.26 | 74.61 | 73.30 | 68.32 | 56.80 | 52.42 | 62.11 | |||||||||||||
1945 | 53.17 | h | 52.96 | 52.23 | 56.07 | a | 61.52 | 70.63 | 75.10 | a | 71.74 | 70.87 | 65.94 | ----- | z | 50.55 | 62.76 | b | ||||||||
1946 | 51.42 | 52.50 | 53.77 | 57.97 | a | 64.81 | 66.03 | 71.52 | 71.42 | 71.07 | a | 60.77 | 54.20 | 50.74 | 60.52 | |||||||||||
1947 | 48.42 | 58.04 | 58.90 | 63.77 | 67.39 | 66.73 | 70.17 | a | 71.48 | 71.62 | a | 61.74 | 56.50 | 51.84 | 62.22 | |||||||||||
1948 | 54.65 | 51.36 | a | 52.45 | 52.97 | ----- | z | 68.90 | 70.10 | 70.19 | 70.20 | 62.61 | 53.24 | a | 45.94 | 59.33 | a | |||||||||
1949 | 42.71 | 49.43 | 54.32 | 60.13 | 64.19 | 69.53 | 71.58 | 70.68 | 69.10 | a | 60.03 | 61.41 | a | 49.42 | 60.21 | |||||||||||
1950 | 41.94 | 51.82 | 52.42 | 57.77 | 61.86 | b | 66.90 | 73.07 | b | 73.90 | 69.07 | a | 61.50 | a | 57.30 | 55.94 | 60.29 | |||||||||
1951 | 48.77 | 53.33 | a | 53.13 | a | 60.47 | 63.55 | 69.63 | 71.58 | 74.03 | 67.87 | 64.48 | 58.48 | a | 49.19 | 61.21 | ||||||||||
1952 | 49.03 | 54.00 | 51.71 | 60.10 | 63.94 | 64.83 | 72.65 | 71.32 | 71.83 | 68.84 | 57.10 | 51.29 | 61.39 | |||||||||||||
1953 | 53.84 | 53.89 | 53.35 | 57.83 | 61.16 | 63.77 | 72.87 | 71.32 | 74.13 | 66.74 | 57.90 | 54.00 | 61.73 | |||||||||||||
1954 | 50.42 | 57.57 | 55.45 | 59.53 | 65.10 | 64.27 | 68.41 | d | 70.42 | 69.53 | 65.55 | 59.17 | 52.94 | 61.53 | ||||||||||||
1955 | 51.03 | 50.21 | 52.35 | 52.33 | 60.87 | 65.73 | 66.61 | 71.97 | 71.53 | 63.16 | 53.80 | 51.73 | a | 59.28 | ||||||||||||
1956 | 50.35 | 47.55 | 52.32 | 59.40 | 64.94 | 65.61 | b | 73.29 | 72.58 | 70.60 | 62.10 | a | 57.40 | 51.77 | 60.66 | |||||||||||
1957 | 45.45 | 54.46 | 54.47 | a | 60.60 | 64.68 | 70.70 | 73.19 | 73.35 | 76.63 | 65.06 | 58.00 | 54.27 | a | 62.57 | |||||||||||
1958 | 54.45 | 57.71 | 55.61 | 59.70 | 67.94 | 70.93 | a | 76.23 | 78.87 | 74.57 | b | 70.10 | 57.87 | 56.29 | 65.02 | |||||||||||
1959 | 53.03 | 52.00 | 56.77 | a | 62.43 | 64.19 | 67.50 | 73.90 | 74.74 | 67.90 | a | 67.23 | 61.20 | 53.97 | 62.91 | |||||||||||
1960 | 49.90 | a | 53.90 | 55.16 | 59.57 | 60.10 | 72.76 | a | 73.26 | 72.71 | 73.20 | 65.87 | 57.30 | 54.26 | 62.33 | |||||||||||
1961 | 57.60 | a | 54.25 | 54.39 | 59.63 | 60.16 | 70.60 | 74.77 | 73.65 | 71.40 | 65.35 | 55.77 | 50.65 | 62.35 | ||||||||||||
1962 | 51.42 | 53.39 | 53.74 | 60.73 | 59.58 | 68.73 | 73.90 | 75.39 | 71.57 | 66.00 | 57.93 | 55.16 | 62.30 | |||||||||||||
1963 | 50.45 | 60.64 | 54.61 | 55.37 | 63.29 | 68.40 | 72.19 | 73.97 | 75.53 | ----- | z | 55.77 | 54.53 | a | 62.25 | a | ||||||||||
1964 | 50.61 | 55.97 | 53.61 | 57.40 | 61.19 | 66.10 | 71.71 | 73.42 | 71.97 | 67.26 | 54.10 | 49.13 | 61.04 | |||||||||||||
1965 | 50.23 | 54.54 | 61.87 | 60.07 | 62.23 | a | 67.57 | 73.48 | 74.74 | 73.90 | 69.90 | 57.20 | 49.26 | 62.92 | ||||||||||||
1966 | 51.94 | 52.52 | a | 55.03 | 61.93 | 63.90 | 70.38 | a | 71.29 | 75.90 | 74.83 | 65.48 | 57.73 | 52.23 | 62.76 | |||||||||||
1967 | 51.52 | 54.43 | 53.13 | 55.37 | 67.29 | 70.00 | 76.16 | 78.97 | 78.80 | 66.42 | 59.73 | 49.35 | 63.43 | |||||||||||||
1968 | 51.39 | 61.38 | 58.45 | 58.70 | 61.48 | 68.30 | 71.77 | 70.55 | 71.40 | 62.84 | 56.20 | 48.32 | 61.73 | |||||||||||||
1969 | 44.55 | 48.64 | 58.42 | 57.70 | 65.03 | 66.23 | 70.65 | 72.26 | 69.50 | 63.97 | 58.03 | 53.52 | 60.71 | |||||||||||||
1970 | 51.74 | 59.29 | 58.23 | 55.23 | 64.39 | 67.40 | 73.00 | 70.29 | 69.33 | 63.07 | a | 56.66 | a | ----- | z | 62.60 | a | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.42 | 53.74 | 55.23 | 58.64 | 63.17 | 67.78 | 72.04 | 73.00 | 71.74 | 65.16 | 57.29 | 52.10 | 61.78 | |||||||||||||
S.D. | 3.49 | 3.46 | 2.72 | 2.62 | 2.48 | 2.26 | 2.06 | 2.13 | 2.67 | 2.59 | 2.10 | 2.40 | 1.31 | |||||||||||||
SKEW | -0.76 | 0.44 | 0.83 | -0.38 | -0.57 | 0.29 | -0.36 | 0.97 | 0.05 | 0.12 | 0.07 | -0.48 | -0.12 | |||||||||||||
MAX | 57.60 | 61.38 | 62.87 | 63.77 | 67.94 | 72.76 | 76.23 | 78.97 | 78.80 | 70.29 | 61.41 | 56.29 | 65.02 | |||||||||||||
MIN | 41.94 | 47.55 | 50.42 | 52.33 | 55.23 | 63.77 | 66.61 | 70.19 | 64.33 | 60.03 | 53.24 | 45.94 | 58.43 | |||||||||||||
YRS | 37 | 39 | 39 | 39 | 38 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 34 |