YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1892 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.47 | 50.47 | k | |
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.42 | 52.42 | k | |
1895 | 50.21 | 53.16 | 57.24 | 65.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.51 | h | ||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.80 | 64.20 | d | 54.81 | c | 49.19 | 60.75 | h | ||
1900 | 49.21 | e | 50.48 | 58.24 | 55.40 | 68.89 | 78.20 | ----- | z | 77.90 | 73.08 | 64.27 | 58.12 | 47.39 | 61.93 | a | ||||||||||
1901 | ----- | z | 49.45 | 51.48 | 59.92 | 64.77 | 73.75 | 81.81 | 77.66 | 75.91 | a | 63.83 | b | 56.73 | 47.38 | a | 63.88 | a | ||||||||
1902 | 46.60 | 51.05 | q | 49.42 | 63.88 | 64.64 | b | 78.88 | 77.55 | 76.42 | 73.43 | a | 66.60 | a | 51.47 | ----- | z | 64.89 | b | |||||||
1903 | 46.77 | i | 45.09 | 53.06 | 60.03 | 66.40 | 75.27 | 80.44 | 79.24 | ----- | z | 64.06 | 57.78 | 47.56 | 62.89 | b | ||||||||||
1904 | 43.50 | 53.52 | 57.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.38 | i | |||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.78 | 80.89 | 77.71 | 72.05 | 64.23 | 55.70 | 45.89 | 67.75 | e | |||||||
1910 | 48.06 | 49.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.92 | j | ||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.56 | 44.56 | k | |
1914 | 48.97 | 47.96 | 54.61 | 60.17 | 66.85 | 76.08 | 76.27 | 76.71 | 72.22 | a | 61.00 | 55.59 | a | 43.52 | 61.66 | |||||||||||
1915 | 43.23 | 47.55 | 49.69 | 55.98 | 61.74 | 75.65 | 76.92 | 78.13 | e | 71.02 | 64.61 | 53.53 | 45.28 | a | 60.28 | |||||||||||
1916 | 47.45 | a | 53.97 | 57.55 | 59.98 | d | 65.94 | ----- | z | 76.75 | k | 73.71 | l | 72.13 | 61.73 | 51.88 | 42.56 | 57.02 | c | |||||||
1917 | 44.43 | a | 46.91 | 49.29 | 56.91 | a | 61.21 | 76.62 | 77.70 | a | 76.15 | a | 72.63 | 65.66 | 55.77 | 50.71 | 61.17 | |||||||||
1918 | 43.21 | 50.07 | 54.89 | 58.57 | 63.19 | 78.85 | 78.44 | 75.26 | 74.53 | 63.93 | a | 50.95 | 43.60 | 61.29 | ||||||||||||
1919 | 42.73 | 43.46 | 49.97 | 60.25 | 66.26 | 76.02 | 76.08 | 77.50 | 71.15 | 59.23 | 51.28 | a | 48.95 | 60.24 | ||||||||||||
1920 | 46.10 | a | 50.14 | 50.45 | a | 53.70 | 66.50 | a | 74.48 | 81.05 | 74.58 | 71.18 | 60.13 | 52.13 | 43.00 | b | 60.29 | |||||||||
1921 | 45.69 | 46.60 | b | 55.25 | y | 57.55 | 64.50 | 74.88 | 77.48 | 73.82 | 72.92 | 65.69 | 55.22 | a | 49.60 | a | 62.18 | a | ||||||||
1922 | 43.02 | d | 47.62 | 47.53 | 54.80 | c | 67.60 | 77.27 | 78.35 | 77.23 | 73.63 | 64.55 | 48.91 | a | 48.44 | 60.75 | ||||||||||
1923 | 49.23 | a | 45.77 | 49.31 | 57.60 | 68.05 | 72.67 | 77.29 | 73.24 | 69.62 | 59.40 | a | 50.68 | 43.86 | b | 59.73 | ||||||||||
1924 | 42.26 | 47.53 | 46.05 | 54.17 | 66.42 | 78.55 | 78.05 | 78.40 | 73.67 | 62.73 | 54.62 | 44.84 | 60.61 | |||||||||||||
1925 | 43.05 | 51.38 | 55.16 | 60.62 | 69.42 | 74.27 | 78.74 | 74.44 | 72.00 | 62.35 | 51.05 | 46.89 | 61.61 | |||||||||||||
1926 | 44.26 | d | 53.43 | a | 55.95 | 60.22 | 68.63 | 78.68 | 80.81 | 79.45 | 75.02 | a | 67.45 | 58.82 | 46.94 | 64.14 | ||||||||||
1927 | 54.34 | 53.48 | 53.63 | a | 61.15 | 70.61 | 77.28 | 81.85 | 76.87 | 73.40 | 65.34 | 60.43 | 45.19 | 64.47 | ||||||||||||
1928 | 49.71 | 49.83 | 58.19 | 62.36 | a | 70.90 | a | 79.17 | a | 82.47 | 78.26 | 74.87 | 65.89 | 53.65 | 47.19 | 64.37 | ||||||||||
1929 | 45.87 | a | 47.63 | a | 52.68 | a | 60.65 | 69.74 | 79.40 | 80.23 | 77.76 | 75.26 | a | 65.61 | 53.13 | 52.81 | 63.40 | |||||||||
1930 | 46.92 | 54.84 | 54.58 | a | 64.22 | 65.00 | a | 78.90 | 78.66 | 78.74 | 73.91 | a | 64.26 | 53.66 | a | 45.92 | a | 63.30 | ||||||||
1931 | 46.58 | a | 49.39 | e | 56.47 | b | 63.28 | 71.27 | 78.55 | 81.79 | 76.61 | 75.22 | 67.31 | 54.10 | f | 47.46 | c | 64.90 | a | |||||||
1932 | 42.19 | b | 51.94 | b | 55.68 | 62.47 | a | 68.50 | 77.90 | a | 79.40 | 79.18 | 75.47 | 64.90 | 58.93 | 45.65 | 63.52 | |||||||||
1933 | 45.62 | a | 45.91 | 56.94 | 58.67 | a | 65.50 | 79.37 | 81.76 | 80.08 | 77.35 | 68.03 | a | 58.32 | b | 52.71 | c | 64.19 | ||||||||
1934 | 47.78 | b | 55.10 | c | 61.48 | a | 64.64 | b | 72.10 | 74.69 | c | 82.26 | 77.31 | 73.00 | 66.88 | b | 54.96 | b | 51.94 | o | 66.38 | a | ||||
1935 | ----- | z | 50.68 | 54.02 | a | 62.35 | 63.47 | 77.53 | a | 83.00 | 77.40 | 73.75 | 64.42 | 52.57 | 49.09 | b | 64.39 | a | ||||||||
1936 | 48.90 | b | 51.00 | a | 57.37 | a | 64.53 | a | 73.56 | 81.07 | 82.98 | 79.45 | 73.73 | 65.71 | 55.52 | c | 49.31 | 65.26 | ||||||||
1937 | 40.29 | c | 51.40 | c | 53.94 | 62.95 | 71.25 | a | 78.35 | 82.69 | 80.95 | 76.67 | 68.35 | 58.73 | b | 52.56 | d | 64.84 | ||||||||
1938 | 51.53 | 52.20 | e | 56.45 | a | 63.48 | 70.37 | 80.05 | 80.78 | a | 80.10 | b | 77.18 | 65.60 | u | 54.72 | 51.70 | c | 65.32 | a | ||||||
1939 | 47.61 | 43.79 | 56.24 | 63.95 | 70.94 | 80.13 | 80.19 | 77.98 | 74.32 | 63.98 | 57.38 | 54.19 | 64.23 | |||||||||||||
1940 | 49.85 | 50.41 | 59.40 | 65.59 | a | 73.52 | 79.67 | 82.95 | 78.08 | 76.03 | 66.55 | 53.70 | 52.90 | a | 65.72 | |||||||||||
1941 | 48.84 | 52.48 | 53.63 | 56.92 | 69.21 | 76.05 | 82.23 | 77.74 | 74.60 | 63.15 | 57.07 | 48.75 | a | 63.39 | ||||||||||||
1942 | 49.44 | 48.16 | 52.10 | 60.57 | b | 69.16 | 78.88 | 83.37 | 79.24 | 77.32 | 65.42 | 59.88 | 51.06 | 64.55 | ||||||||||||
1943 | 49.13 | a | 54.12 | b | 58.31 | 66.88 | 72.44 | 79.03 | 82.23 | 78.20 | a | 76.82 | 66.55 | 57.79 | a | 48.90 | 65.87 | |||||||||
1944 | 47.06 | 47.36 | 53.77 | 59.71 | a | 68.88 | a | 75.15 | 82.00 | 80.92 | 75.12 | 68.28 | a | 49.92 | 46.42 | 62.88 | ||||||||||
1945 | 45.97 | a | 48.36 | 49.19 | 56.28 | 64.81 | 69.95 | 79.53 | 77.34 | 72.50 | 63.97 | 51.52 | 45.10 | 60.38 | ||||||||||||
1946 | 41.74 | 44.96 | 52.00 | 63.22 | 63.12 | a | 75.50 | 77.05 | 76.13 | 73.38 | 58.26 | 47.02 | 47.52 | a | 59.99 | |||||||||||
1947 | 41.95 | 49.86 | 51.60 | 56.75 | 67.40 | a | 72.84 | b | 78.97 | 75.21 | 73.48 | 62.10 | 47.90 | 41.82 | 59.99 | |||||||||||
1948 | 45.07 | a | 45.41 | 47.79 | 59.87 | 65.23 | 74.23 | 79.13 | 75.68 | 73.00 | 62.84 | 47.00 | 46.90 | 60.18 | ||||||||||||
1949 | 38.27 | 44.21 | 52.05 | 58.19 | d | 63.48 | c | 73.50 | 77.03 | 74.60 | 73.92 | 59.29 | 55.57 | 44.74 | 59.57 | |||||||||||
1950 | 45.66 | 49.77 | 53.03 | 59.81 | a | 63.66 | 72.90 | 74.93 | a | 75.31 | 69.23 | 67.27 | 55.22 | 49.13 | 61.33 | |||||||||||
1951 | 43.81 | 47.36 | 50.77 | 57.40 | 64.58 | 70.30 | 80.55 | 76.19 | 72.57 | 64.19 | 52.52 | 45.97 | 60.52 | |||||||||||||
1952 | 48.26 | 44.03 | 45.29 | 56.62 | 66.08 | 73.67 | 77.65 | a | 77.30 | a | 73.37 | 65.08 | 48.98 | a | 43.32 | 59.97 | ||||||||||
1953 | 47.53 | 44.88 | 52.53 | 56.19 | a | 59.05 | 73.22 | 76.90 | 76.10 | 72.15 | 61.79 | 53.03 | 40.82 | 59.52 | ||||||||||||
1954 | 46.53 | 51.91 | 52.69 | 61.17 | 64.10 | 72.50 | a | 77.42 | 72.90 | 73.47 | 64.05 | 53.58 | 47.19 | 61.46 | ||||||||||||
1955 | 40.50 | 42.39 | 52.45 | 55.45 | 62.56 | 71.75 | 75.92 | 73.94 | 69.38 | 63.89 | 51.43 | 48.39 | 59.00 | |||||||||||||
1956 | 47.79 | 42.41 | b | 51.11 | 55.28 | 65.29 | 75.62 | 76.11 | 73.10 | 73.63 | 61.44 | 49.70 | 44.71 | 59.68 | ||||||||||||
1957 | 47.87 | 54.32 | 51.73 | 56.81 | a | 61.19 | 75.98 | 78.94 | 74.84 | 70.02 | 60.87 | 47.77 | 48.45 | 60.73 | ||||||||||||
1958 | 43.02 | 49.32 | 47.47 | 56.33 | 68.37 | 75.67 | 78.00 | 75.84 | 70.67 | 63.28 | a | 51.87 | 48.66 | 60.71 | ||||||||||||
1959 | 47.68 | 46.00 | 51.08 | 60.65 | 63.40 | 76.38 | 78.87 | 74.74 | 70.18 | 61.25 | a | 52.12 | 46.13 | 60.71 | ||||||||||||
1960 | 41.40 | 42.21 | 54.61 | 58.03 | 63.61 | 75.50 | 78.66 | 76.69 | 72.27 | 60.42 | 52.88 | 43.52 | 59.98 | |||||||||||||
1961 | 47.24 | 47.21 | 52.13 | 58.88 | 64.10 | 76.13 | 78.42 | 75.71 | 69.58 | 60.68 | 49.98 | 46.08 | 60.51 | |||||||||||||
1962 | 45.31 | 49.93 | a | 46.94 | 60.40 | 62.69 | 70.43 | 76.35 | 76.89 | 72.30 | 62.60 | 54.70 | 48.16 | 60.56 | ||||||||||||
1963 | 44.00 | 50.95 | 50.97 | 56.03 | 66.50 | 71.18 | 79.42 | 74.34 | 72.88 | 64.23 | 52.37 | 45.73 | 60.72 | |||||||||||||
1964 | 40.65 | 40.29 | 48.37 | 55.48 | 63.42 | 71.85 | 78.84 | 74.60 | 69.32 | 64.08 | a | 48.97 | 46.48 | 58.53 | ||||||||||||
1965 | 48.47 | 45.80 | 49.13 | 57.57 | 61.45 | 68.83 | 77.74 | 76.85 | 70.10 | 62.26 | 55.85 | 47.13 | 60.10 | |||||||||||||
1966 | 42.08 | 42.32 | 53.32 | 58.57 | 66.77 | 73.75 | ----- | z | 76.03 | 70.98 | 60.63 | 54.37 | 45.85 | 58.61 | a | |||||||||||
1967 | 44.44 | 47.29 | 54.50 | 55.65 | 63.71 | 72.10 | 77.00 | 75.60 | 71.95 | 62.97 | 54.97 | 43.56 | 60.31 | |||||||||||||
1968 | 46.03 | 52.05 | 51.94 | 55.57 | 63.50 | 74.32 | 76.24 | 73.02 | 70.55 | 62.71 | 50.52 | 44.23 | 60.06 | |||||||||||||
1969 | 49.89 | 47.39 | 48.47 | 59.27 | 65.44 | 72.15 | 78.58 | a | 78.32 | 72.38 | 60.03 | 52.30 | 47.63 | 60.99 | ||||||||||||
1970 | 44.60 | 50.61 | 50.26 | 54.73 | 66.95 | 74.53 | 79.63 | 76.68 | 70.35 | 58.60 | 53.30 | 49.15 | 60.78 | |||||||||||||
1971 | 45.68 | 46.89 | 53.77 | 56.83 | 62.42 | 73.07 | 79.72 | a | 74.89 | 70.83 | 58.24 | 51.18 | 44.02 | 59.80 | ||||||||||||
1972 | 45.56 | 49.38 | 58.37 | 59.10 | 65.35 | 73.87 | 79.08 | 75.89 | 71.68 | 62.58 | 48.00 | 45.06 | 61.16 | |||||||||||||
1973 | 42.34 | 48.09 | 47.39 | 54.80 | 66.27 | 75.23 | 78.26 | 77.27 | 71.72 | 62.61 | 52.77 | 46.82 | 60.30 | |||||||||||||
1974 | 46.87 | 46.62 | 55.16 | 59.22 | 66.23 | 78.42 | 76.77 | 75.89 | 71.55 | 62.31 | 52.15 | 42.85 | 61.17 | |||||||||||||
1975 | 46.44 | 46.55 | 51.42 | 53.70 | 63.06 | 72.83 | 76.98 | 77.42 | 71.90 | 61.55 | 52.32 | 46.98 | 60.10 | |||||||||||||
1976 | 46.35 | 51.40 | 51.92 | 57.37 | 64.87 | 72.93 | 75.37 | 75.06 | 69.55 | 59.34 | 51.90 | 44.95 | 60.08 | |||||||||||||
1977 | 45.90 | 49.21 | 49.23 | 59.05 | 62.31 | 74.70 | 78.16 | 77.44 | 73.30 | 64.84 | 54.13 | 50.61 | 61.57 | |||||||||||||
1978 | 48.35 | 48.29 | 55.90 | 57.28 | 63.92 | 75.82 | 79.19 | 75.87 | 72.43 | 64.65 | 52.85 | 44.11 | 61.56 | |||||||||||||
1979 | 43.68 | 47.71 | 51.06 | 58.43 | 63.63 | 73.72 | 79.27 | 75.35 | 74.90 | 64.73 | 49.65 | 48.10 | 60.85 | |||||||||||||
1980 | 48.35 | 52.41 | 50.97 | 58.08 | 62.03 | 75.92 | 81.55 | 76.58 | 72.50 | 62.20 | a | 52.78 | 50.63 | 62.00 | ||||||||||||
1981 | 49.34 | 51.18 | 51.31 | 61.43 | 64.26 | 77.63 | 78.55 | 77.05 | 72.57 | 61.35 | 54.92 | 49.32 | 62.41 | |||||||||||||
1982 | 46.95 | a | 49.98 | a | 52.85 | a | 59.28 | 64.08 | 71.83 | 78.10 | 76.95 | 72.75 | 60.81 | 52.77 | 45.34 | 60.97 | ||||||||||
1983 | 46.55 | 48.25 | 50.73 | 53.12 | 63.79 | 71.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.59 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.96 | 48.69 | 52.71 | 59.03 | 65.95 | 75.42 | 79.12 | 76.69 | 72.90 | 63.38 | 53.33 | 47.11 | 61.45 | |||||||||||||
S.D. | 2.97 | 3.35 | 3.42 | 3.20 | 3.19 | 2.84 | 2.14 | 1.84 | 2.03 | 2.49 | 3.12 | 2.89 | 1.79 | |||||||||||||
SKEW | -0.12 | -0.22 | 0.16 | 0.36 | 0.52 | -0.10 | 0.26 | 0.08 | 0.22 | -0.10 | 0.13 | 0.31 | 0.94 | |||||||||||||
MAX | 54.34 | 55.10 | 61.48 | 66.88 | 73.56 | 81.07 | 83.37 | 80.95 | 77.35 | 68.35 | 60.43 | 54.19 | 65.87 | |||||||||||||
MIN | 38.27 | 40.29 | 45.29 | 53.12 | 59.05 | 68.83 | 74.93 | 72.90 | 69.23 | 58.24 | 47.00 | 40.82 | 58.53 | |||||||||||||
YRS | 74 | 76 | 75 | 75 | 74 | 74 | 71 | 73 | 74 | 74 | 74 | 76 | 62 |