YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | 48.02 | 56.80 | 64.71 | 69.10 | 74.82 | 84.29 | a | 87.82 | 88.42 | 82.75 | 72.71 | 60.17 | 52.47 | 70.17 | ||||||||||||
1927 | 56.03 | 58.30 | 59.48 | 66.52 | 74.48 | 81.43 | 89.85 | 86.90 | 82.25 | 71.31 | 63.38 | 51.87 | 70.15 | |||||||||||||
1928 | 54.10 | 56.02 | 64.92 | ----- | z | 76.50 | 81.32 | 89.92 | 86.97 | 83.42 | 72.65 | 63.33 | 54.82 | 71.27 | a | |||||||||||
1929 | 53.31 | 54.34 | 59.40 | 63.67 | 73.06 | 80.72 | 91.85 | 87.35 | 80.87 | 70.66 | 54.23 | 52.89 | 68.53 | |||||||||||||
1930 | 49.82 | 58.09 | 58.56 | 68.45 | 68.44 | 82.70 | 89.55 | 86.77 | c | 78.33 | 66.73 | 57.72 | 49.26 | 67.87 | ||||||||||||
1931 | 49.16 | 55.77 | 59.31 | 68.53 | 76.15 | 82.27 | 90.98 | 86.32 | 82.37 | 68.73 | 54.55 | 48.71 | 68.57 | |||||||||||||
1932 | 45.45 | 55.33 | 58.47 | 64.97 | 72.03 | 79.57 | 87.60 | 88.06 | 82.38 | 68.24 | 58.30 | 46.50 | 67.24 | |||||||||||||
1933 | 46.69 | 47.39 | 58.39 | 61.32 | 67.90 | 82.02 | 90.32 | 87.97 | 83.03 | 72.87 | 58.70 | 50.23 | 67.24 | |||||||||||||
1934 | 50.74 | 57.30 | 65.40 | 69.97 | 77.79 | 78.65 | 89.42 | 86.06 | 80.07 | a | 70.03 | 56.18 | 51.31 | 69.41 | ||||||||||||
1935 | 50.47 | 54.48 | 53.50 | 63.90 | 68.48 | 82.67 | 88.24 | 85.56 | 81.35 | 68.21 | 54.97 | 51.60 | 66.95 | |||||||||||||
1936 | 48.87 | 54.22 | 61.69 | 68.60 | 76.23 | 84.87 | 88.34 | 87.66 | 79.72 | 69.40 | 59.08 | 51.03 | 69.14 | |||||||||||||
1937 | 41.60 | 52.80 | 57.81 | 64.93 | 74.97 | 81.08 | 88.73 | 88.79 | 83.93 | 70.84 | 57.53 | 54.11 | 68.09 | |||||||||||||
1938 | 52.66 | 54.59 | 57.40 | 65.58 | 72.42 | 80.65 | 85.74 | 86.18 | 82.65 | 67.81 | 52.65 | 52.90 | 67.60 | |||||||||||||
1939 | 50.45 | 46.80 | 60.11 | 68.20 | 74.24 | 80.95 | 87.81 | 87.08 | 79.88 | 67.48 | 62.03 | 54.60 | 68.30 | |||||||||||||
1940 | 53.23 | 53.93 | 61.53 | 66.55 | 76.40 | 84.08 | 87.44 | 87.76 | 81.70 | 69.89 | 55.83 | 54.61 | 69.41 | |||||||||||||
1941 | 52.48 | 56.41 | 57.63 | 60.40 | 72.92 | 77.58 | 86.26 | 84.29 | 77.43 | 65.85 | 59.93 | 52.15 | 66.95 | |||||||||||||
1942 | 52.13 | 50.64 | 56.06 | 64.05 | 71.29 | 80.15 | 88.00 | 84.94 | 80.20 | 68.63 | 60.17 | 53.10 | 67.45 | |||||||||||||
1943 | 50.90 | 57.11 | 61.19 | 68.57 | 74.56 | 80.50 | 88.19 | 85.47 | 81.82 | 69.10 | 59.02 | 52.44 | 69.07 | |||||||||||||
1944 | 49.65 | 51.74 | 56.22 | b | 62.78 | 72.58 | 76.95 | 85.60 | 87.19 | 80.32 | 71.45 | 56.05 | 51.32 | 66.82 | ||||||||||||
1945 | 49.79 | 53.96 | 55.08 | 63.77 | 72.55 | 77.78 | 87.40 | 86.79 | 81.92 | 72.53 | 56.20 | 48.34 | 67.18 | |||||||||||||
1946 | 48.87 | 50.95 | 59.47 | 71.15 | 73.84 | 83.55 | 88.76 | 88.19 | 82.78 | 65.69 | 53.68 | 53.47 | 68.37 | |||||||||||||
1947 | 47.87 | 56.88 | 60.79 | 65.88 | 76.23 | 81.15 | 90.65 | 87.34 | 84.72 | 71.63 | 54.95 | 49.29 | 68.95 | |||||||||||||
1948 | 50.61 | 52.03 | 54.81 | 66.68 | 73.29 | 81.03 | 88.40 | 88.56 | 83.55 | 73.00 | 54.95 | 51.10 | 68.17 | |||||||||||||
1949 | 43.55 | 50.52 | 57.82 | 68.03 | 72.98 | 82.82 | 88.92 | 85.81 | 84.87 | 68.21 | 63.95 | 52.15 | 68.30 | |||||||||||||
1950 | 48.97 | a | 57.75 | 60.81 | 69.85 | 71.79 | 80.25 | 87.52 | 85.74 | 78.72 | 75.42 | 62.87 | 56.66 | 69.69 | ||||||||||||
1951 | 50.89 | 54.61 | 59.24 | 65.63 | 73.50 | 79.25 | 89.69 | 86.45 | a | 81.47 | 71.08 | 58.18 | 51.31 | 68.44 | ||||||||||||
1952 | 50.06 | 52.78 | 53.98 | 65.80 | 76.58 | 81.07 | 86.74 | 88.24 | 83.00 | 73.98 | 56.70 | 50.55 | 68.29 | |||||||||||||
1953 | 53.85 | 53.28 | a | 60.00 | 64.72 | 67.98 | 81.42 | 88.89 | 87.23 | 81.05 | 69.97 | 60.43 | 49.16 | 68.16 | ||||||||||||
1954 | 51.97 | 60.88 | 58.31 | 70.32 | 75.34 | 80.68 | 88.76 | 84.90 | 82.70 | 71.98 | 61.67 | 51.95 | a | 69.95 | ||||||||||||
1955 | 48.10 | a | 50.66 | 59.11 | 63.68 | 71.94 | 79.92 | 84.45 | 85.42 | 80.67 | 74.15 | 58.50 | 55.32 | 67.66 | ||||||||||||
1956 | 55.29 | 50.53 | 60.65 | 65.00 | 74.95 | 84.85 | 86.82 | 84.21 | 83.10 | 69.23 | 56.92 | 52.10 | 68.64 | |||||||||||||
1957 | 53.77 | 60.32 | 60.34 | 64.72 | 70.27 | 84.32 | 89.79 | 87.08 | 80.72 | 69.55 | 55.28 | 53.24 | 69.12 | |||||||||||||
1958 | 51.84 | 56.95 | 55.84 | 64.72 | 79.16 | 84.47 | 89.50 | 90.32 | 83.63 | 73.72 | a | 58.82 | 55.55 | 70.38 | ||||||||||||
1959 | 52.65 | a | 51.46 | a | 60.71 | 70.33 | 73.06 | 87.52 | 92.08 | 87.69 | 81.68 | 70.97 | 59.38 | a | 52.07 | c | 69.97 | |||||||||
1960 | 47.28 | b | 48.80 | b | 63.15 | a | 67.60 | 74.48 | 86.93 | 90.45 | 88.42 | 84.53 | 69.45 | 59.67 | a | 50.60 | 69.28 | |||||||||
1961 | 53.76 | d | 55.42 | c | 59.84 | b | 67.25 | 73.73 | 86.13 | 90.16 | 87.63 | a | 79.02 | a | 68.89 | 55.14 | a | 50.84 | c | 68.98 | ||||||
1962 | 49.37 | a | 54.80 | c | 54.38 | b | 70.78 | 72.00 | 81.13 | 87.98 | 89.55 | 83.13 | 70.53 | a | 61.62 | 54.16 | 69.12 | |||||||||
1963 | 47.28 | b | 58.68 | 58.56 | 63.27 | 77.58 | 79.78 | 90.42 | 87.24 | 84.24 | a | 73.67 | a | 59.66 | b | 51.85 | 69.35 | |||||||||
1964 | 46.85 | 48.76 | 55.53 | a | 64.26 | a | 72.85 | 81.47 | 90.22 | a | 85.74 | 80.03 | 73.94 | 54.25 | 51.95 | 67.15 | ||||||||||
1965 | 51.98 | 52.98 | c | 56.00 | 63.74 | a | 71.06 | 77.20 | 89.22 | a | 87.77 | a | 78.77 | 72.13 | 61.13 | 52.28 | b | 67.85 | ||||||||
1966 | 47.27 | 49.22 | a | 60.45 | a | 68.27 | 77.74 | 84.62 | 90.23 | 88.63 | 82.37 | 69.92 | 60.08 | 51.48 | 69.19 | |||||||||||
1967 | 49.50 | 54.57 | 61.23 | 60.47 | 73.08 | 79.83 | 89.65 | 88.60 | 82.80 | 71.85 | 62.34 | a | 47.37 | 68.44 | ||||||||||||
1968 | 51.24 | 58.64 | 59.26 | 64.78 | 74.27 | 83.15 | 87.52 | 84.17 | a | 80.97 | 70.15 | 57.60 | 47.53 | 68.27 | ||||||||||||
1969 | 53.98 | 52.27 | 55.55 | 66.90 | 72.70 | p | 81.22 | 90.37 | 91.92 | a | 82.92 | 66.65 | 59.85 | 53.02 | 68.60 | a | ||||||||||
1970 | 49.90 | 56.75 | b | 57.87 | a | 63.87 | 77.41 | b | 85.05 | 92.31 | 89.74 | 79.65 | 66.85 | 59.48 | 50.63 | 69.13 | ||||||||||
1971 | 50.47 | 54.84 | 60.69 | 64.75 | 71.58 | 81.85 | 91.29 | 86.98 | 81.80 | 66.42 | 57.12 | 48.66 | 68.04 | |||||||||||||
1972 | 49.27 | 56.64 | 67.08 | 67.67 | 75.13 | 84.40 | 91.40 | 87.21 | 81.35 | 69.42 | 54.03 | 48.73 | 69.36 | |||||||||||||
1973 | 48.08 | a | 54.39 | 53.76 | 64.68 | 77.55 | 83.88 | 89.66 | 88.95 | 80.70 | 70.55 | 57.30 | 52.35 | 68.49 | ||||||||||||
1974 | 50.94 | 53.28 | a | 61.81 | 66.85 | 76.29 | 87.45 | 88.03 | 86.69 | 82.53 | 72.10 | 58.18 | 47.89 | 69.34 | ||||||||||||
1975 | 49.81 | 52.30 | 57.60 | 60.25 | 72.34 | 81.77 | 90.13 | 87.92 | 82.77 | 69.10 | 57.50 | 52.00 | 67.79 | |||||||||||||
1976 | 52.06 | 58.05 | 58.53 | 64.87 | 76.13 | 83.83 | 89.52 | 87.37 | 80.57 | 68.13 | 59.30 | 51.66 | 69.17 | |||||||||||||
1977 | 51.00 | 56.68 | 56.42 | 68.43 | 70.69 | 85.92 | 90.89 | 90.16 | 83.02 | 74.08 | 60.77 | 55.44 | 70.29 | |||||||||||||
1978 | 53.00 | 55.71 | 63.74 | 66.37 | 74.85 | 86.65 | 91.26 | 88.10 | 83.07 | 75.58 | 59.43 | 49.40 | 70.60 | |||||||||||||
1979 | 47.85 | 53.54 | 58.84 | 67.03 | 75.48 | 85.43 | 90.11 | 86.10 | 86.80 | 73.44 | 57.07 | 54.40 | 69.67 | |||||||||||||
1980 | 55.02 | 58.53 | 58.68 | 66.83 | 72.31 | 84.67 | 91.76 | 88.16 | 82.63 | 71.50 | 60.32 | 58.24 | 70.72 | |||||||||||||
1981 | 56.35 | 57.30 | 59.79 | 71.55 | 75.97 | 88.72 | 90.95 | 90.53 | 84.42 | 68.92 | 61.85 | 54.71 | 71.76 | |||||||||||||
1982 | 51.40 | 56.82 | 59.02 | 67.55 | 75.13 | 81.77 | 88.42 | 89.37 | 82.42 | 68.31 | 58.25 | 50.95 | a | 69.12 | ||||||||||||
1983 | 52.93 | a | 55.09 | 58.89 | 62.62 | 74.97 | 82.15 | 90.37 | 87.58 | 86.52 | 72.32 | a | 59.73 | 54.13 | 69.77 | |||||||||||
1984 | 52.92 | a | 55.57 | 62.58 | 66.05 | 80.58 | 84.00 | 88.97 | 87.94 | 84.03 | ----- | z | ----- | z | ----- | z | 73.63 | c | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.57 | 54.50 | 59.12 | 66.09 | 74.00 | 82.40 | 89.17 | 87.39 | 82.04 | 70.48 | 58.41 | 51.87 | 68.77 | |||||||||||||
S.D. | 2.89 | 3.13 | 2.92 | 2.70 | 2.69 | 2.67 | 1.69 | 1.59 | 1.90 | 2.44 | 2.72 | 2.41 | 1.08 | |||||||||||||
SKEW | -0.48 | -0.40 | 0.32 | -0.07 | -0.19 | 0.18 | -0.45 | 0.21 | -0.03 | 0.06 | -0.04 | 0.06 | 0.24 | |||||||||||||
MAX | 56.35 | 60.88 | 67.08 | 71.55 | 80.58 | 88.72 | 92.31 | 91.92 | 86.80 | 75.58 | 63.95 | 58.24 | 71.76 | |||||||||||||
MIN | 41.60 | 46.80 | 53.50 | 60.25 | 67.90 | 76.95 | 84.45 | 84.17 | 77.43 | 65.69 | 52.65 | 46.50 | 66.82 | |||||||||||||
YRS | 59 | 59 | 59 | 58 | 58 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 56 |