YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | 50.00 | b | 51.12 | b | 62.31 | b | 61.90 | 66.23 | 76.57 | 79.63 | a | 78.20 | a | 72.43 | 63.79 | b | 49.63 | 42.45 | b | 62.85 | ||||||
1930 | 43.13 | 46.68 | 45.45 | 59.73 | 67.16 | 70.72 | a | 79.36 | c | 75.52 | 68.53 | 54.29 | 43.83 | 37.84 | 57.69 | |||||||||||
1931 | 42.00 | 47.93 | 45.13 | 59.67 | 68.03 | 78.27 | 82.10 | 77.58 | 77.87 | 69.45 | 61.77 | 53.90 | 63.64 | |||||||||||||
1932 | 50.81 | 53.69 | 46.52 | 60.07 | 67.71 | 77.43 | 82.55 | 79.61 | 72.93 | 63.87 | 51.30 | 51.23 | 63.14 | |||||||||||||
1933 | 50.68 | 45.57 | 52.42 | 60.43 | 73.00 | 78.93 | 78.87 | 76.81 | 78.07 | 66.45 | 52.53 | 53.65 | 63.95 | |||||||||||||
1934 | 46.29 | 40.39 | 53.35 | 61.77 | 73.32 | 78.43 | 81.71 | 78.00 | 75.77 | 64.71 | 54.70 | 41.77 | 62.52 | |||||||||||||
1935 | 43.90 | 47.04 | 58.13 | 58.37 | 70.42 | 76.00 | 79.10 | 80.39 | 74.23 | 68.03 | 55.80 | 36.07 | a | 62.29 | ||||||||||||
1936 | 40.10 | 42.07 | 54.97 | 60.70 | 75.00 | 80.73 | 82.61 | 79.94 | 76.23 | 65.06 | 52.43 | 48.29 | 63.18 | |||||||||||||
1937 | 57.71 | 44.32 | 51.37 | a | 59.37 | 70.94 | 78.90 | 79.23 | 80.19 | 73.57 | 59.97 | 50.90 | 44.68 | 62.59 | ||||||||||||
1938 | 43.84 | 51.32 | 59.39 | 62.87 | 69.55 | 74.40 | 77.71 | 81.65 | 74.70 | 71.68 | 58.87 | 44.26 | 64.18 | |||||||||||||
1939 | 45.23 | 52.43 | 55.32 | 60.89 | b | 72.00 | b | 78.63 | 78.55 | 77.97 | 78.73 | 71.84 | 55.40 | 54.57 | j | 66.09 | a | |||||||||
1940 | 33.31 | b | 51.07 | a | 50.65 | 61.39 | b | 67.97 | 77.60 | 78.03 | 77.19 | 73.30 | 68.81 | 52.34 | a | 52.62 | o | 62.88 | a | |||||||
1941 | 48.70 | a | 39.15 | a | 43.84 | 64.07 | 74.96 | g | 81.03 | 81.39 | 83.90 | a | 80.67 | 71.90 | a | 57.59 | h | 49.67 | m | 66.07 | c | |||||
1942 | 42.18 | c | 38.71 | d | 53.13 | a | 70.59 | a | 69.19 | 76.70 | 80.03 | 77.26 | 73.73 | 65.18 | c | 57.90 | 44.81 | 62.45 | ||||||||
1943 | 49.71 | j | 48.71 | 52.55 | b | 57.30 | 69.77 | 80.32 | b | 77.68 | 81.50 | a | 72.73 | 64.10 | 56.07 | 47.58 | 64.39 | a | ||||||||
1944 | 46.77 | 49.55 | 55.19 | 60.80 | 74.10 | a | 80.20 | 77.37 | a | 77.37 | a | 72.60 | 63.68 | 49.40 | 41.13 | 62.35 | ||||||||||
1945 | 40.77 | 46.00 | 63.60 | a | 64.67 | 66.06 | 76.53 | 77.74 | 77.47 | a | 73.50 | 62.87 | 55.30 | 37.06 | 61.80 | |||||||||||
1946 | 43.65 | 47.37 | a | 59.19 | 64.13 | 65.90 | 76.17 | 77.65 | 75.17 | a | 70.39 | b | 66.03 | 57.37 | c | 49.19 | j | 63.91 | a | |||||||
1947 | 49.83 | a | ----- | z | 42.00 | 63.33 | 69.61 | 74.72 | a | 75.35 | 79.48 | 72.27 | 64.52 | 47.47 | 47.38 | j | 63.86 | b | ||||||||
1948 | 36.19 | 45.97 | 55.62 | b | 65.27 | 68.77 | a | 75.53 | 77.39 | 75.06 | 71.33 | 62.10 | 55.04 | d | 49.04 | g | 62.57 | a | ||||||||
1949 | 50.52 | 49.68 | 52.71 | 58.96 | c | 71.10 | a | 76.67 | 79.59 | b | 76.27 | e | 69.47 | 65.45 | 52.86 | a | 49.06 | 62.69 | ||||||||
1950 | 54.97 | 49.54 | 49.84 | 59.50 | 70.00 | 75.17 | 76.61 | 74.77 | 69.50 | 64.94 | 47.93 | a | 39.13 | 60.99 | ||||||||||||
1951 | 44.06 | 47.50 | 50.87 | 59.07 | 70.39 | 76.00 | l | 80.16 | 80.03 | 72.93 | 66.26 | 45.77 | 45.61 | 60.24 | a | |||||||||||
1952 | 47.35 | 45.59 | 50.23 | 61.77 | 71.00 | a | 82.63 | 82.90 | 77.68 | 72.67 | 62.13 | 51.30 | 43.60 | a | 62.40 | |||||||||||
1953 | 45.58 | 45.93 | 53.58 | 61.00 | b | 74.90 | 78.33 | 78.74 | 79.10 | 71.97 | 66.00 | 54.00 | 44.31 | b | 62.79 | |||||||||||
1954 | 43.97 | a | 48.25 | 49.68 | 66.83 | 64.61 | 78.37 | 80.74 | d | 79.90 | 79.07 | 65.17 | a | 47.30 | 39.57 | a | 61.95 | |||||||||
1955 | 39.23 | 46.27 | b | 53.65 | 64.39 | b | 72.19 | 70.97 | a | 79.19 | 79.47 | a | 72.10 | 63.19 | 51.45 | a | 43.17 | b | 61.27 | |||||||
1956 | 38.70 | d | 46.38 | 52.29 | 58.66 | a | 71.62 | b | 79.62 | a | 77.26 | 78.71 | 69.52 | a | 63.33 | a | 53.17 | f | 52.81 | 62.63 | a | |||||
1957 | 43.40 | a | 51.04 | 49.29 | 65.80 | 72.13 | 76.03 | 79.10 | 77.71 | 72.45 | a | 57.60 | a | 53.33 | c | 46.47 | a | 62.03 | ||||||||
1958 | 36.06 | 32.81 | a | 44.26 | 61.37 | 69.94 | 75.97 | 79.28 | b | 77.71 | 73.40 | 63.70 | a | 57.27 | 42.45 | 59.52 | ||||||||||
1959 | 42.06 | 48.07 | 51.77 | 65.48 | a | 72.00 | 77.00 | a | 78.29 | 79.52 | 72.57 | 62.97 | 52.23 | 45.90 | 62.32 | |||||||||||
1960 | 41.48 | 41.79 | a | 36.32 | 65.90 | a | 67.74 | 75.70 | 76.84 | 78.35 | 71.27 | 64.06 | 54.97 | 40.76 | b | 59.60 | ||||||||||
1961 | 37.74 | 47.86 | 55.50 | c | 55.47 | 65.97 | 73.21 | a | 77.03 | 76.00 | 73.60 | 64.06 | 53.60 | 44.74 | 60.40 | |||||||||||
1962 | 41.83 | a | 51.04 | a | 47.71 | 58.03 | a | 77.00 | a | 73.93 | 77.48 | 77.81 | 69.40 | 63.06 | 50.20 | 39.29 | 60.57 | |||||||||
1963 | 41.65 | 40.93 | 56.67 | a | 64.07 | 70.06 | 74.38 | a | 75.74 | 77.07 | b | 70.70 | 68.52 | 51.87 | 34.34 | b | 60.50 | |||||||||
1964 | 43.71 | 38.86 | 52.63 | a | 62.93 | a | 72.00 | a | 78.13 | 77.47 | a | 74.77 | a | 70.37 | 58.94 | 58.27 | 47.97 | 61.34 | ||||||||
1965 | 44.42 | 44.46 | b | 48.13 | 64.37 | 73.87 | 73.03 | 77.58 | 77.26 | 71.80 | 60.42 | 54.10 | a | 47.42 | 61.41 | |||||||||||
1966 | 36.27 | a | 40.96 | 53.68 | 58.83 | 68.90 | 76.60 | 78.32 | 75.65 | 67.30 | 61.97 | 53.23 | 42.45 | 59.51 | ||||||||||||
1967 | 46.39 | 41.93 | a | 58.74 | 66.52 | a | 66.48 | 73.57 | 74.00 | 73.42 | 66.31 | a | 61.19 | 50.14 | b | 46.81 | 60.46 | |||||||||
1968 | 41.70 | a | 36.59 | 56.19 | 63.28 | a | 67.71 | 76.90 | 77.87 | 79.50 | a | 71.23 | 61.13 | 50.21 | a | 42.07 | a | 60.36 | ||||||||
1969 | 40.87 | 39.36 | 44.70 | d | 64.62 | a | 71.69 | b | 77.70 | 79.65 | 75.74 | 69.40 | 62.68 | 48.93 | 38.48 | 59.49 | ||||||||||
1970 | 38.20 | a | 44.96 | 51.59 | b | 64.82 | b | 72.13 | a | 76.47 | 79.77 | 77.39 | 75.47 | 62.97 | 51.86 | b | 47.81 | 61.95 | ||||||||
1971 | 40.68 | 43.15 | a | 48.57 | a | 64.37 | 67.97 | a | 76.23 | 75.23 | a | 76.29 | c | 71.43 | 64.97 | a | 50.72 | a | 53.23 | a | 61.07 | |||||
1972 | 48.39 | 41.56 | b | 51.39 | 64.00 | 68.10 | a | 72.41 | a | 76.36 | c | 75.46 | c | 71.00 | b | 58.87 | a | 48.79 | a | 50.72 | b | 60.59 | ||||
1973 | 42.10 | 43.00 | 56.20 | a | 57.70 | 66.47 | a | 75.52 | c | 76.48 | d | 74.47 | a | 72.21 | a | 64.37 | a | 56.90 | a | 43.81 | 60.77 | |||||
1974 | 54.19 | 47.41 | a | 57.57 | a | 63.66 | a | 70.21 | c | 69.38 | a | 74.89 | c | 72.96 | c | 66.07 | 63.29 | 54.60 | 43.97 | a | 61.52 | |||||
1975 | 48.55 | 48.00 | 50.20 | a | 60.93 | b | 70.63 | a | 73.71 | b | 74.57 | a | 76.10 | a | 68.23 | 66.39 | 56.48 | a | 46.47 | a | 61.69 | |||||
1976 | 40.10 | 53.76 | 58.10 | 66.53 | 65.33 | a | 71.53 | 74.32 | 73.73 | a | 68.21 | a | 58.10 | 48.96 | b | 42.87 | 60.13 | |||||||||
1977 | 28.55 | 44.57 | 56.58 | 65.63 | 71.87 | a | 75.20 | 81.35 | 78.06 | 73.40 | 58.83 | b | 52.86 | a | 42.97 | b | 60.82 | |||||||||
1978 | 34.03 | 36.04 | a | 52.45 | 64.47 | 68.27 | a | 77.66 | a | 79.74 | 78.87 | 75.63 | 64.74 | 58.07 | b | 48.29 | 61.52 | |||||||||
1979 | 37.48 | 39.21 | 56.53 | a | 61.63 | 69.48 | 73.97 | a | 75.06 | 78.17 | a | 70.57 | b | 61.93 | a | 54.68 | b | 48.68 | 60.62 | |||||||
1980 | 42.48 | 41.21 | a | 49.52 | b | 61.37 | 71.47 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.21 | g | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.37 | 45.23 | 52.25 | 62.29 | 69.96 | 76.28 | 78.35 | 77.61 | 72.41 | 63.91 | 52.88 | 44.67 | 61.50 | |||||||||||||
S.D. | 5.65 | 4.77 | 5.21 | 3.00 | 2.74 | 2.77 | 2.21 | 2.22 | 3.15 | 3.53 | 3.67 | 4.71 | 1.36 | |||||||||||||
SKEW | 0.12 | -0.37 | -0.46 | 0.11 | 0.20 | -0.23 | 0.09 | 0.20 | 0.42 | 0.05 | -0.06 | 0.04 | -0.31 | |||||||||||||
MAX | 57.71 | 53.76 | 63.60 | 70.59 | 77.00 | 82.63 | 82.90 | 83.90 | 80.67 | 71.90 | 61.77 | 53.90 | 64.18 | |||||||||||||
MIN | 28.55 | 32.81 | 36.32 | 55.47 | 64.61 | 69.38 | 74.00 | 72.96 | 66.07 | 54.29 | 43.83 | 34.34 | 57.69 | |||||||||||||
YRS | 51 | 51 | 52 | 52 | 51 | 50 | 51 | 51 | 51 | 51 | 49 | 45 | 42 |