YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.90 | 66.90 | k | |
1894 | 61.84 | 65.61 | 70.65 | 73.10 | ----- | z | ----- | z | 88.71 | 88.39 | 86.10 | 80.61 | 76.43 | 61.03 | 75.25 | b | ||||||||||
1895 | 59.03 | b | 66.39 | 67.19 | 72.83 | a | 82.52 | 87.93 | a | 88.61 | 87.94 | 87.53 | 76.97 | 70.47 | 66.00 | 76.12 | ||||||||||
1896 | 67.65 | 71.72 | 74.94 | 78.20 | 85.55 | 91.80 | 91.65 | 91.03 | 87.27 | 80.84 | 70.23 | 67.84 | 79.89 | |||||||||||||
1897 | 62.48 | 63.57 | 63.84 | 79.13 | 80.35 | 86.43 | 91.35 | 92.45 | 87.77 | 74.48 | 71.67 | 63.97 | 76.46 | |||||||||||||
1898 | 57.74 | 68.18 | 68.77 | 79.53 | 76.03 | 86.13 | 92.13 | 93.94 | 89.13 | 81.29 | 72.07 | 65.06 | 77.50 | |||||||||||||
1899 | 63.16 | 63.71 | 66.87 | 74.33 | 75.21 | b | 81.30 | 89.35 | 84.19 | 89.00 | 75.13 | 69.70 | 66.03 | 74.83 | ||||||||||||
1900 | 64.16 | ----- | z | ----- | z | 67.47 | 78.42 | 83.53 | 87.94 | 83.94 | 81.13 | 75.81 | 74.10 | 67.35 | 76.38 | b | ||||||||||
1901 | 60.71 | 67.25 | 75.61 | 74.43 | 77.94 | 85.83 | 92.52 | 93.23 | 85.33 | 81.55 | 73.80 | 72.00 | 78.35 | |||||||||||||
1902 | 66.68 | 65.46 | 67.19 | 73.27 | 77.87 | 86.50 | 87.23 | 87.90 | 86.43 | 77.35 | 68.46 | b | 63.42 | 75.65 | ||||||||||||
1903 | 65.32 | 62.14 | 67.81 | 68.83 | 79.52 | 94.70 | 90.42 | 88.23 | 84.17 | 80.26 | 74.72 | a | 68.13 | 77.02 | ||||||||||||
1904 | 66.10 | 65.86 | 67.87 | 73.17 | 76.55 | 83.70 | 87.39 | 89.32 | ----- | z | ----- | z | 75.60 | 66.13 | 75.17 | b | ||||||||||
1905 | 64.97 | 65.11 | 72.81 | 77.53 | 77.13 | 83.07 | 87.61 | 88.74 | 84.79 | b | 84.06 | 78.80 | 76.68 | 78.44 | ||||||||||||
1906 | 65.35 | 71.88 | c | ----- | z | 74.37 | 77.61 | 87.03 | 94.35 | 89.13 | 88.29 | b | 85.71 | 70.90 | 63.97 | 78.96 | a | |||||||||
1907 | 60.39 | 71.96 | 69.16 | 74.17 | 77.97 | 83.79 | a | 92.48 | 86.42 | 83.50 | 80.06 | 75.20 | 68.77 | 76.99 | ||||||||||||
1908 | 67.03 | 64.59 | 70.48 | 75.53 | 76.23 | 82.53 | 92.23 | 88.23 | 85.97 | 76.71 | 69.07 | 63.26 | 75.99 | |||||||||||||
1909 | 63.32 | 63.21 | 65.52 | 74.13 | 74.55 | 82.27 | 86.42 | 90.68 | 87.67 | 84.00 | 77.73 | 65.52 | 76.25 | |||||||||||||
1910 | 66.48 | b | 68.56 | a | 72.93 | c | 78.93 | 81.13 | 82.83 | 89.77 | 89.58 | 89.80 | 80.29 | 70.21 | p | 70.30 | a | 79.15 | a | |||||||
1911 | 67.52 | 62.29 | 69.65 | 69.80 | 76.35 | 81.15 | d | 88.66 | b | 90.93 | b | 86.33 | c | 83.77 | a | 75.53 | k | 65.61 | 76.55 | a | ||||||
1912 | 71.67 | a | 69.22 | k | 62.63 | a | 67.28 | a | 75.31 | b | 83.20 | e | 87.03 | b | 86.94 | 84.30 | 75.71 | 74.83 | 64.13 | 75.73 | a | |||||
1913 | 61.81 | 63.33 | d | 67.87 | a | 74.13 | 74.52 | 79.90 | a | 87.73 | a | 87.68 | 90.00 | 79.00 | 67.10 | 62.23 | 74.61 | |||||||||
1914 | 63.23 | 65.64 | 73.71 | 74.70 | 71.84 | 83.57 | 88.06 | 88.29 | 84.47 | 78.35 | 75.07 | 57.10 | 75.34 | |||||||||||||
1915 | 60.55 | 60.00 | 69.55 | b | 69.87 | 73.74 | 84.67 | 88.06 | 91.61 | 82.47 | 79.94 | 70.40 | 63.67 | a | 74.54 | |||||||||||
1916 | 55.80 | a | 65.69 | 71.77 | a | 74.93 | 77.19 | 84.30 | 87.00 | 88.19 | 83.40 | 69.55 | 69.90 | 59.77 | 73.96 | |||||||||||
1917 | 56.87 | a | 63.04 | 67.48 | 70.33 | 70.55 | 88.37 | 89.23 | 87.03 | 88.57 | 79.65 | 71.40 | 71.03 | 75.29 | ||||||||||||
1918 | 63.06 | 63.96 | 69.35 | 74.33 | 76.13 | 88.43 | 89.94 | 89.29 | 87.93 | 81.32 | 67.43 | 62.94 | 76.18 | |||||||||||||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.42 | 87.23 | 83.33 | 74.00 | 69.79 | a | 65.29 | 78.01 | f | |||||
1920 | 63.35 | 63.29 | a | 63.68 | 69.33 | 75.23 | 81.50 | 90.10 | 88.42 | 83.67 | 72.87 | 67.13 | 60.35 | 73.24 | ||||||||||||
1921 | 60.35 | 65.46 | ----- | z | ----- | z | ----- | z | 80.63 | 89.10 | 87.61 | 86.17 | 76.53 | a | 70.87 | 65.45 | 75.80 | c | ||||||||
1922 | 57.26 | 58.57 | 62.35 | 65.40 | 78.03 | 85.07 | 88.71 | 92.29 | 92.03 | 76.61 | 66.90 | 62.81 | 73.84 | |||||||||||||
1923 | 64.58 | 63.00 | 70.03 | 67.33 | 80.13 | 79.87 | 88.52 | 86.65 | 83.67 | 75.74 | 71.80 | 61.71 | 74.42 | |||||||||||||
1924 | 64.10 | 72.34 | 63.87 | 70.13 | 79.77 | 88.27 | 89.55 | 88.74 | 88.40 | 73.45 | 73.10 | 61.87 | a | 76.13 | ||||||||||||
1925 | 63.94 | 66.82 | 69.26 | 69.27 | 76.26 | 82.97 | 89.97 | 88.58 | 84.67 | 71.23 | 67.33 | 67.61 | 74.82 | |||||||||||||
1926 | 63.94 | 68.43 | 72.58 | 71.90 | 80.48 | 85.13 | 89.10 | 88.23 | 81.43 | 79.10 | 75.00 | 57.97 | 76.11 | |||||||||||||
1927 | 62.26 | 61.89 | 63.97 | 69.27 | 77.65 | 81.17 | 91.13 | 87.42 | 81.07 | 78.58 | 72.40 | 59.26 | d | 73.84 | ||||||||||||
1928 | ----- | z | 65.59 | 70.10 | 77.43 | 76.58 | 80.67 | 87.61 | 87.90 | 90.17 | 76.39 | 70.23 | 64.55 | 77.02 | a | |||||||||||
1929 | 58.16 | 58.46 | 64.65 | 65.73 | 79.16 | 82.37 | ----- | z | ----- | z | 81.20 | 80.32 | 74.80 | 70.10 | 71.50 | b | ||||||||||
1930 | 60.58 | 67.86 | 69.29 | 75.13 | 73.00 | 81.30 | 90.68 | 88.90 | ----- | z | ----- | z | 66.63 | k | 65.58 | 74.70 | c | |||||||||
1931 | 64.90 | b | 64.18 | 75.16 | 76.83 | 79.35 | 83.00 | 90.35 | 87.97 | 85.30 | 76.68 | 62.76 | a | 58.06 | 75.38 | |||||||||||
1932 | 57.90 | 62.41 | 72.10 | 74.87 | 76.32 | 83.00 | a | 86.94 | 88.10 | 84.10 | 76.84 | 77.67 | 60.42 | 75.06 | ||||||||||||
1933 | 59.19 | 62.82 | 70.94 | 69.23 | 70.71 | 79.87 | 84.81 | 85.87 | 78.17 | 78.81 | 75.50 | 63.39 | 73.27 | |||||||||||||
1934 | 65.16 | 64.57 | 74.84 | 78.40 | 79.97 | 73.50 | 87.52 | 87.10 | 86.67 | 76.61 | 67.17 | 62.58 | 75.34 | |||||||||||||
1935 | 59.43 | q | 70.75 | l | 65.74 | 73.37 | 73.39 | 83.07 | 89.16 | 89.52 | 87.57 | 80.71 | 74.57 | 72.26 | 78.93 | b | ||||||||||
1936 | 72.52 | 66.34 | 71.58 | 73.67 | 77.74 | 83.03 | 89.10 | 90.57 | c | 88.70 | 80.39 | 79.47 | 69.39 | 78.54 | ||||||||||||
1937 | 58.18 | i | 66.36 | 68.94 | 74.50 | 76.16 | 83.53 | 89.55 | 91.32 | 90.80 | 85.77 | 76.13 | 74.81 | 79.81 | a | |||||||||||
1938 | 74.23 | 67.79 | 66.87 | a | 73.63 | 76.19 | 79.40 | 87.26 | 89.74 | 93.03 | 80.00 | 77.63 | 74.10 | 78.32 | ||||||||||||
1939 | 67.65 | 64.71 | 68.29 | 76.50 | 78.29 | 85.13 | 90.39 | 92.97 | 89.20 | 87.03 | 81.13 | 79.35 | 80.05 | |||||||||||||
1940 | 70.45 | 71.38 | 74.84 | 75.53 | 82.10 | 83.00 | 91.65 | 89.48 | 85.67 | 84.97 | 77.30 | 74.27 | a | 80.05 | ||||||||||||
1941 | 67.45 | 68.82 | 71.65 | 69.53 | 80.58 | 80.90 | 90.16 | 89.32 | 85.67 | 80.29 | 79.60 | 67.87 | 77.65 | |||||||||||||
1942 | 70.87 | 68.96 | 72.00 | 68.93 | 77.23 | 80.93 | 89.84 | 88.13 | 87.20 | 82.00 | 78.23 | 71.16 | 77.96 | |||||||||||||
1943 | 70.03 | 72.89 | 67.97 | 72.50 | 77.90 | 79.73 | 86.65 | 87.68 | 90.50 | 81.35 | 79.43 | 66.87 | 77.79 | |||||||||||||
1944 | 67.71 | 61.79 | 69.97 | 68.33 | 73.10 | 75.97 | 82.39 | 88.90 | 84.03 | 80.55 | 69.60 | 70.71 | 74.42 | |||||||||||||
1945 | 68.00 | 66.61 | 65.68 | 71.37 | 73.55 | 76.10 | 84.71 | 88.48 | 87.20 | 78.87 | 74.33 | 66.65 | 75.13 | |||||||||||||
1946 | 67.97 | 66.04 | b | 67.77 | 73.00 | 72.10 | 87.33 | 86.32 | 87.77 | 88.10 | 75.23 | 68.80 | 65.19 | 75.47 | ||||||||||||
1947 | 66.71 | 70.68 | 69.77 | 73.30 | 76.29 | 79.30 | 90.71 | 85.52 | 87.70 | 79.13 | 70.60 | 68.26 | 76.50 | |||||||||||||
1948 | 73.06 | 65.59 | 66.26 | 71.87 | 75.32 | 77.40 | 85.26 | 85.39 | 86.93 | 76.55 | 75.87 | 63.94 | 75.29 | |||||||||||||
1949 | 55.10 | 61.70 | a | 65.74 | 73.97 | 74.16 | 82.20 | 85.00 | 87.87 | 87.83 | 78.19 | 81.07 | 67.26 | 75.01 | ||||||||||||
1950 | 60.42 | 67.32 | 69.77 | 74.10 | 72.19 | 78.13 | 83.19 | 86.61 | 82.00 | 83.94 | 76.13 | 72.29 | 75.51 | |||||||||||||
1951 | 65.13 | 65.86 | 73.37 | a | 69.70 | 76.26 | 79.00 | 86.71 | 85.84 | 85.50 | 79.74 | 72.07 | 62.74 | 75.16 | ||||||||||||
1952 | 60.97 | 66.07 | 62.94 | 69.13 | 80.13 | 77.90 | 87.71 | 89.00 | 88.57 | 80.65 | 68.93 | 63.26 | 74.60 | |||||||||||||
1953 | 69.71 | 69.36 | 68.87 | 68.23 | 74.35 | 79.73 | 88.87 | 86.10 | 85.30 | 81.84 | 72.73 | 68.61 | 76.14 | |||||||||||||
1954 | 63.55 | 73.75 | 64.74 | 70.93 | 74.55 | 78.53 | 89.48 | 85.16 | 86.97 | 77.77 | 74.13 | 66.19 | 75.48 | |||||||||||||
1955 | 60.19 | 66.04 | 70.68 | 72.17 | 72.39 | 79.57 | 84.19 | 89.42 | 87.57 | 74.10 | 70.10 | 63.35 | 74.15 | |||||||||||||
1956 | 64.39 | 61.83 | 72.65 | 69.13 | 76.26 | 83.70 | 85.90 | 85.77 | 90.83 | 75.39 | 81.10 | ----- | z | 77.00 | a | |||||||||||
1957 | 60.58 | 67.29 | 68.23 | 71.40 | 72.45 | 85.43 | 90.48 | 89.48 | 84.97 | 73.81 | 68.07 | 70.23 | 75.20 | |||||||||||||
1958 | 68.29 | 66.07 | 63.84 | 74.70 | 79.45 | 83.27 | 87.55 | 87.87 | 88.77 | 83.58 | 73.83 | 73.87 | 77.59 | |||||||||||||
1959 | 69.48 | 63.61 | 76.13 | 77.00 | 74.48 | 85.20 | 91.32 | 87.87 | 83.52 | a | 79.55 | 77.50 | 67.13 | 77.73 | ||||||||||||
1960 | 61.61 | 63.41 | 70.52 | 75.57 | 78.06 | 83.93 | 91.32 | 88.29 | 89.10 | 78.16 | 69.33 | 67.26 | 76.38 | |||||||||||||
1961 | 71.77 | 69.86 | 68.35 | 74.50 | 73.10 | 83.23 | 86.58 | 88.19 | 83.63 | 78.06 | 68.93 | 64.74 | 75.91 | |||||||||||||
1962 | 68.06 | 60.54 | 63.23 | 76.60 | 74.13 | 78.50 | 85.71 | 90.48 | 85.47 | 77.39 | 70.50 | 67.32 | 74.83 | |||||||||||||
1963 | 62.97 | 72.50 | 67.61 | 69.10 | 74.55 | 76.70 | 87.10 | 87.97 | 88.67 | 76.94 | 69.20 | 69.81 | 75.26 | |||||||||||||
1964 | 64.06 | 68.24 | 66.45 | 70.27 | 73.97 | 78.83 | 88.71 | 86.52 | 81.47 | 81.29 | 69.23 | 63.68 | 74.39 | |||||||||||||
1965 | 67.00 | 67.43 | 65.42 | 72.43 | 73.84 | 73.83 | 84.94 | 89.32 | 79.27 | 83.23 | 69.27 | 64.45 | 74.20 | |||||||||||||
1966 | 64.61 | 64.43 | 71.00 | 75.23 | 75.13 | 81.47 | 86.90 | 88.42 | 84.13 | 79.35 | 70.40 | 66.68 | 75.65 | |||||||||||||
1967 | 67.32 | 71.86 | 67.06 | 63.83 | 77.26 | 76.10 | 87.94 | 90.26 | 83.27 | 84.32 | 74.80 | 64.23 | 75.69 | |||||||||||||
1968 | 68.00 | 70.72 | 71.32 | 73.50 | 75.90 | 81.20 | 87.74 | 86.13 | 84.77 | 81.03 | 74.60 | 67.77 | 76.89 | |||||||||||||
1969 | 66.13 | 61.43 | 68.90 | 72.67 | 76.45 | 75.50 | 87.32 | 91.81 | 85.97 | 77.84 | 76.77 | 67.90 | 75.72 | |||||||||||||
1970 | 66.26 | 72.14 | 70.00 | 72.10 | 79.29 | 81.40 | 89.23 | 88.94 | 87.50 | 77.71 | 72.23 | 64.42 | 76.77 | |||||||||||||
1971 | 66.26 | 67.39 | 70.81 | 71.03 | 72.19 | 80.67 | 88.32 | 90.97 | 85.63 | 78.16 | 68.90 | 60.06 | 75.03 | |||||||||||||
1972 | 66.39 | 70.86 | 72.42 | 74.80 | 77.45 | 80.33 | 89.06 | 87.32 | 81.67 | 75.13 | a | 70.93 | 66.58 | 76.08 | ||||||||||||
1973 | 63.77 | 66.29 | 61.68 | 70.53 | 75.74 | 84.63 | 84.74 | 85.87 | 80.50 | 80.87 | 69.10 | 69.68 | 74.45 | |||||||||||||
1974 | 62.97 | 69.71 | 67.77 | 74.87 | 74.74 | 83.87 | 87.03 | 85.48 | 85.13 | 74.77 | 73.87 | 67.19 | 75.62 | |||||||||||||
1975 | 69.39 | 64.86 | 64.13 | 65.23 | 73.65 | 77.13 | 85.29 | 86.06 | 85.60 | 76.55 | 72.07 | 68.74 | 74.06 | |||||||||||||
1976 | 73.55 | 66.38 | 69.19 | 68.53 | 75.94 | 85.67 | 84.65 | 85.71 | 77.80 | 80.23 | 78.07 | 72.81 | 76.54 | |||||||||||||
1977 | 67.03 | a | 73.39 | 65.65 | 73.80 | 70.48 | 80.67 | 89.06 | 86.26 | 82.73 | 78.74 | 76.50 | 69.61 | 76.16 | ||||||||||||
1978 | 64.65 | 65.68 | 68.71 | 68.63 | 78.84 | 86.47 | 88.84 | 86.94 | 84.67 | 81.52 | 68.23 | 63.94 | 75.59 | |||||||||||||
1979 | 61.16 | 65.11 | 67.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.55 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 64.71 | 66.27 | 68.76 | 72.46 | 76.34 | 82.28 | 88.36 | 88.35 | 85.81 | 78.90 | 72.79 | 66.38 | 75.91 | |||||||||||||
S.D. | 4.20 | 3.53 | 3.40 | 3.44 | 2.91 | 3.77 | 2.29 | 2.04 | 3.07 | 3.38 | 3.97 | 4.28 | 1.53 | |||||||||||||
SKEW | 0.00 | 0.20 | 0.04 | -0.19 | 0.32 | 0.27 | -0.11 | 0.44 | -0.27 | -0.04 | 0.19 | 0.39 | 0.82 | |||||||||||||
MAX | 74.23 | 73.75 | 76.13 | 79.53 | 85.55 | 94.70 | 94.35 | 93.94 | 93.03 | 87.03 | 81.13 | 79.35 | 80.05 | |||||||||||||
MIN | 55.10 | 58.46 | 61.68 | 63.83 | 70.48 | 73.50 | 82.39 | 83.94 | 77.80 | 69.55 | 62.76 | 57.10 | 73.24 | |||||||||||||
YRS | 82 | 82 | 82 | 83 | 82 | 83 | 84 | 84 | 83 | 83 | 82 | 85 | 70 |