YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.85 | e | 45.85 | k |
1895 | 31.23 | 28.67 | a | 43.84 | 58.11 | b | 72.10 | 79.33 | 75.16 | 77.97 | 75.60 | 59.14 | b | 48.04 | f | 39.77 | a | 58.26 | a | |||||||
1896 | 35.35 | 34.86 | a | 39.85 | e | 65.93 | b | 75.19 | 77.27 | 75.56 | v | 77.45 | 76.43 | 73.85 | k | 56.43 | w | 33.78 | v | 60.29 | d | |||||
1897 | 34.92 | e | 39.88 | b | 50.47 | a | 56.93 | 67.13 | 76.13 | 78.52 | 76.00 | ----- | z | ----- | z | 49.71 | b | 39.66 | b | 56.94 | b | |||||
1898 | 40.37 | d | 38.42 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.84 | 72.53 | ----- | z | ----- | z | ----- | z | 57.04 | h | ||
1899 | 34.90 | a | 32.04 | c | 42.57 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.50 | i |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.68 | 74.03 | 62.52 | 52.47 | 32.65 | 59.87 | g | |||||
1946 | 39.13 | 31.00 | a | ----- | z | 60.47 | 66.23 | 75.83 | 78.10 | 75.13 | 75.40 | 66.42 | 57.33 | 46.26 | 61.03 | a | ||||||||||
1947 | 44.10 | a | 31.86 | 38.23 | 61.30 | 68.26 | 72.40 | 75.23 | 80.06 | 70.97 | 66.74 | 44.80 | 40.97 | a | 57.91 | |||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.94 | 69.80 | 60.17 | a | 55.40 | 45.48 | b | 61.56 | g | |||
1949 | 48.77 | 47.93 | 47.81 | 57.10 | 68.43 | a | 76.20 | 79.13 | 76.35 | 67.83 | 66.13 | 49.10 | a | 45.90 | 60.89 | |||||||||||
1950 | 50.60 | a | 41.36 | 46.38 | g | 56.86 | a | 68.71 | 76.19 | i | 74.80 | a | 76.13 | 68.69 | a | 64.45 | 48.37 | 38.03 | 58.80 | b | ||||||
1951 | 41.19 | 43.18 | 48.29 | 56.97 | 69.10 | 75.63 | 79.55 | 79.00 | 72.97 | 67.00 | 47.48 | a | ----- | z | 61.85 | a | ||||||||||
1952 | 42.48 | 43.52 | 49.65 | 59.57 | 69.45 | 82.10 | 83.32 | 78.74 | 72.37 | 61.74 | 51.77 | 41.32 | 61.34 | |||||||||||||
1953 | 42.58 | 45.43 | 49.61 | 56.21 | b | 73.42 | 78.37 | 80.68 | 80.61 | 74.43 | 69.13 | 54.20 | 43.55 | 62.35 | ||||||||||||
1954 | 41.97 | 44.93 | a | 48.10 | a | 65.33 | 63.26 | 78.27 | 81.10 | a | 78.43 | a | 77.60 | 65.29 | 47.10 | 35.72 | f | 62.85 | a | |||||||
1955 | 32.00 | m | 41.62 | b | 53.16 | 63.10 | 73.29 | 71.90 | 83.61 | 79.45 | 73.77 | 65.81 | 49.47 | 38.06 | 63.02 | a | ||||||||||
1956 | ----- | z | ----- | z | 46.24 | j | 57.73 | 71.03 | 77.10 | 77.47 | p | 78.77 | 71.30 | 64.19 | 50.63 | 51.77 | 65.32 | d | ||||||||
1957 | 38.71 | 46.56 | a | 49.53 | a | 63.61 | b | 72.45 | 77.21 | a | 78.61 | 78.90 | b | 73.53 | 59.13 | 52.03 | a | 43.29 | 61.13 | |||||||
1958 | 35.83 | a | 29.89 | 41.33 | a | 61.57 | 68.74 | 74.30 | 81.06 | ----- | z | 73.87 | 63.42 | 57.83 | 38.77 | a | 56.97 | a | ||||||||
1959 | 36.59 | d | 45.08 | b | 54.07 | a | 58.76 | m | 72.74 | 75.68 | b | 80.68 | 83.13 | 76.93 | 64.16 | 51.20 | 43.96 | e | 62.20 | a | ||||||
1960 | 40.57 | a | 37.79 | a | 35.70 | a | 65.30 | 66.06 | 75.60 | ----- | z | 80.26 | 74.20 | 64.61 | 49.85 | q | 35.27 | e | 57.54 | b | ||||||
1961 | 33.03 | 44.86 | 50.97 | 52.90 | 65.33 | a | 74.59 | a | 78.30 | a | 77.03 | 76.60 | 66.19 | 51.63 | 40.13 | 59.30 | ||||||||||
1962 | 39.13 | 42.71 | 45.58 | 56.00 | 73.81 | 76.10 | 75.71 | 78.39 | 70.37 | 64.06 | 47.41 | c | 38.03 | 58.94 | ||||||||||||
1963 | 36.10 | 36.71 | 52.23 | 62.89 | c | 68.57 | a | 76.89 | b | 78.23 | 77.26 | 73.33 | 70.42 | 52.10 | 30.79 | b | 59.63 | |||||||||
1964 | 39.43 | a | 36.38 | 49.80 | a | 60.68 | b | 72.10 | 77.57 | 80.65 | 78.06 | 73.67 | 60.10 | 58.40 | 42.58 | 60.78 | ||||||||||
1965 | 38.19 | 39.36 | 45.10 | 57.83 | 74.42 | 73.50 | 78.77 | a | 79.32 | 75.40 | 60.48 | 52.14 | a | 43.67 | a | 59.85 | ||||||||||
1966 | 33.39 | 36.71 | 51.40 | a | 52.17 | 69.71 | 77.23 | 82.61 | 78.00 | 69.07 | 60.61 | 52.97 | 39.77 | 58.64 | ||||||||||||
1967 | 42.13 | 36.82 | 51.00 | 62.40 | 62.10 | 75.57 | 76.19 | 74.81 | 68.97 | 61.68 | 45.69 | a | 44.06 | 58.45 | ||||||||||||
1968 | 34.58 | 34.00 | 51.13 | 60.37 | 64.17 | a | 75.43 | 79.94 | 80.52 | 73.80 | 63.13 | 51.60 | 38.74 | 58.95 | ||||||||||||
1969 | 34.23 | a | 36.04 | 43.23 | 63.70 | 70.03 | 75.93 | 82.13 | 76.29 | 71.73 | ----- | z | 48.77 | 33.03 | 57.74 | a | ||||||||||
1970 | 31.57 | a | 39.57 | 44.35 | 60.47 | 72.32 | 75.59 | a | 78.26 | ----- | z | ----- | z | 63.47 | a | ----- | z | ----- | z | 58.20 | d | |||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.45 | 77.55 | 74.13 | 60.97 | 49.13 | 46.19 | 64.40 | f | ||||||
1973 | 41.84 | 42.46 | 57.83 | a | 57.83 | 66.84 | 79.57 | 80.84 | 79.94 | 75.80 | 66.26 | 54.63 | 41.74 | 62.13 | ||||||||||||
1974 | 48.97 | 44.04 | 55.32 | 64.27 | 70.13 | 72.57 | 80.39 | 77.10 | 70.67 | 64.43 | a | 52.73 | 42.16 | 61.90 | ||||||||||||
1975 | 42.94 | 44.29 | 47.16 | 58.10 | 72.97 | 76.13 | 79.58 | 82.10 | 71.30 | 69.73 | a | 57.00 | 44.26 | 62.13 | ||||||||||||
1976 | 36.65 | 52.97 | 58.52 | 65.93 | 68.32 | 77.20 | 78.19 | 78.47 | a | 72.03 | 58.61 | 44.73 | 40.90 | a | 61.04 | |||||||||||
1977 | 26.81 | 41.70 | a | 56.94 | 65.93 | 74.32 | 74.63 | 83.10 | 79.87 | 74.43 | 60.10 | 51.27 | 40.61 | 60.81 | ||||||||||||
1978 | 32.48 | 33.74 | a | 48.06 | 62.79 | a | 69.50 | a | 78.03 | 79.97 | 81.13 | 77.53 | 63.20 | a | 55.67 | 46.00 | 60.68 | |||||||||
1979 | 35.40 | a | 35.46 | 55.04 | c | 60.63 | 69.77 | 75.17 | 77.39 | 79.32 | 72.03 | a | 61.16 | 54.43 | 47.77 | 60.30 | ||||||||||
1980 | 38.90 | 36.76 | 48.67 | a | 61.97 | 71.87 | 77.37 | 83.84 | 81.97 | a | 77.07 | 62.84 | 49.87 | 43.10 | 61.18 | |||||||||||
1981 | 33.97 | 44.68 | 46.23 | 67.80 | 69.71 | 79.70 | 79.23 | 78.70 | a | 73.33 | 62.23 | 54.37 | 35.87 | 60.48 | ||||||||||||
1982 | 35.79 | b | 44.81 | a | 53.15 | e | 61.04 | c | 76.00 | b | 76.35 | d | 80.60 | a | 76.39 | c | 72.36 | b | 66.28 | f | 55.69 | a | 48.52 | b | 61.88 | a |
1983 | 39.10 | b | 44.08 | b | 50.88 | e | 56.93 | c | 68.86 | b | 78.11 | c | 83.90 | b | 84.10 | b | 75.36 | e | 63.78 | d | 54.17 | f | 37.96 | f | 64.51 | b |
1984 | 37.07 | b | 46.33 | e | 46.12 | e | 58.58 | d | 69.37 | d | 81.71 | f | 78.11 | c | 79.73 | a | 72.25 | b | 70.33 | d | 51.40 | e | 53.29 | c | 60.23 | a |
1985 | 34.04 | c | 42.64 | c | 56.11 | d | 68.19 | c | 72.75 | c | 76.30 | 79.94 | 76.68 | 75.23 | 66.33 | a | 58.17 | a | 37.73 | a | 62.01 | |||||
1986 | 39.81 | 40.96 | c | 53.74 | 64.52 | a | 72.55 | 79.10 | 83.42 | 76.60 | a | 73.86 | a | 64.13 | a | 51.03 | 43.10 | a | 61.90 | |||||||
1987 | 36.35 | 41.68 | 53.77 | 58.10 | a | 75.00 | 79.17 | 82.87 | a | 83.45 | 72.37 | 59.79 | b | 55.03 | 44.93 | b | 61.88 | |||||||||
1988 | 35.90 | 41.03 | 52.74 | 62.07 | b | 71.10 | 79.30 | 82.00 | d | 83.80 | a | 72.50 | 57.20 | a | 54.52 | a | 42.66 | b | 61.24 | |||||||
1989 | 46.57 | a | 42.89 | 55.10 | b | 59.87 | 66.19 | 77.33 | 79.86 | b | 77.83 | b | 70.69 | a | 65.93 | c | ----- | z | ----- | z | 64.23 | b | ||||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | 67.33 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.33 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.27 | 40.17 | 49.34 | 60.70 | 70.02 | 76.61 | 79.81 | 78.74 | 73.22 | 63.66 | 51.93 | 41.91 | 60.61 | |||||||||||||
S.D. | 4.95 | 5.26 | 5.31 | 3.77 | 3.27 | 2.09 | 2.44 | 2.26 | 2.43 | 3.21 | 3.59 | 4.71 | 1.28 | |||||||||||||
SKEW | 0.47 | -0.24 | -0.52 | -0.04 | -0.31 | -0.01 | -0.15 | 0.66 | -0.17 | 0.21 | -0.09 | -0.08 | -0.54 | |||||||||||||
MAX | 50.60 | 52.97 | 58.52 | 68.19 | 76.00 | 82.10 | 83.90 | 84.10 | 77.60 | 70.42 | 58.40 | 53.29 | 62.35 | |||||||||||||
MIN | 26.81 | 28.67 | 35.70 | 52.17 | 62.10 | 71.90 | 74.80 | 74.81 | 67.83 | 57.20 | 44.73 | 30.79 | 57.91 | |||||||||||||
YRS | 44 | 45 | 42 | 43 | 45 | 42 | 42 | 46 | 46 | 43 | 41 | 42 | 26 |