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 | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.92 | q | 32.00 | 32.00 | k | |
1896 | 39.45 | 36.93 | 41.29 | 53.29 | b | 62.94 | 74.60 | 71.68 | 71.74 | 65.00 | 54.87 | 40.48 | a | 41.13 | 54.45 | |||||||||||
1897 | 34.55 | 33.43 | 36.00 | 50.40 | 64.55 | 71.10 | 75.19 | ----- | z | 66.37 | 52.52 | 45.90 | 35.00 | 51.36 | a | |||||||||||
1898 | 32.13 | 41.14 | 39.71 | 54.50 | 58.10 | 73.43 | 78.81 | 76.81 | 69.90 | 56.26 | 42.76 | a | ----- | z | 56.69 | a | ||||||||||
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.83 | m | 68.63 | 62.73 | a | 51.40 | 49.58 | 58.09 | h | |||
1959 | 43.03 | 38.96 | 45.42 | 54.77 | 60.03 | 74.87 | 80.06 | 72.81 | 65.77 | 59.65 | 47.67 | 44.03 | 57.26 | |||||||||||||
1960 | 35.19 | 32.86 | 43.48 | 52.27 | 60.84 | 74.37 | 78.97 | 79.43 | a | 71.30 | 56.47 | a | 48.53 | 39.52 | 56.10 | |||||||||||
1961 | 43.58 | 40.96 | 43.07 | a | 49.93 | 62.81 | 76.00 | 76.35 | 73.23 | 62.60 | 57.58 | 43.20 | 34.97 | 55.36 | ||||||||||||
1962 | 38.87 | 39.54 | 38.74 | 56.53 | 60.23 | 70.40 | 74.97 | 75.84 | 68.77 | 62.77 | 50.77 | 45.42 | 56.90 | |||||||||||||
1963 | 35.61 | 43.79 | 42.19 | 50.93 | 65.61 | 69.90 | 77.42 | 72.48 | 72.00 | 64.13 | 51.43 | 41.81 | 57.28 | |||||||||||||
1964 | 35.29 | 34.97 | 38.10 | 46.20 | 61.39 | 69.53 | 76.45 | 72.35 | 66.23 | 65.29 | 44.90 | 35.06 | 53.81 | |||||||||||||
1965 | 38.87 | 40.64 | 39.77 | a | 47.93 | 57.93 | a | 66.27 | 73.61 | 72.26 | 61.83 | 64.68 | 48.20 | 40.55 | 54.38 | |||||||||||
1966 | 36.55 | 35.71 | 46.84 | 54.67 | 65.06 | 70.10 | 77.55 | 75.32 | 69.50 | 60.26 | 50.43 | b | 38.50 | a | 56.71 | |||||||||||
1967 | 37.87 | a | 42.14 | 47.16 | 50.20 | 59.90 | 65.90 | 76.90 | 74.06 | 67.83 | 62.55 | 51.07 | 35.65 | 55.94 | ||||||||||||
1968 | 42.00 | 43.66 | 45.71 | 46.50 | 58.94 | 74.24 | a | 73.97 | 69.45 | 68.20 | 61.13 | 43.47 | 36.35 | 55.30 | ||||||||||||
1969 | 38.45 | 35.96 | a | 38.20 | a | 54.67 | 66.81 | 66.57 | 76.42 | 76.84 | 67.33 | 49.77 | 47.67 | 40.42 | 54.93 | |||||||||||
1970 | 37.90 | 45.04 | 40.35 | 45.20 | 64.65 | 69.70 | 74.70 | a | 76.10 | 64.63 | 51.45 | 44.77 | 38.55 | 54.42 | ||||||||||||
1971 | 38.39 | 38.00 | 45.23 | 52.45 | a | 57.81 | 71.57 | 76.87 | 74.19 | 65.57 | 55.23 | 45.23 | 33.83 | a | 54.53 | |||||||||||
1972 | 38.35 | 41.83 | 51.35 | 53.93 | 64.30 | a | 70.57 | 78.48 | 73.77 | 67.00 | 53.58 | 39.43 | 35.65 | 55.69 | ||||||||||||
1973 | 36.65 | 39.75 | 40.03 | 45.17 | 60.71 | 70.40 | 75.17 | a | 74.10 | 67.20 | 61.39 | 47.23 | 38.16 | 54.66 | ||||||||||||
1974 | 35.06 | 40.70 | a | 47.32 | 50.07 | 67.13 | 75.97 | 75.35 | 73.61 | 69.40 | 57.68 | 46.00 | 36.29 | 56.22 | ||||||||||||
1975 | 36.10 | 38.07 | 40.80 | a | 44.60 | 56.52 | 68.40 | 74.48 | 72.90 | 67.40 | 61.23 | 47.30 | 44.70 | a | 54.37 | |||||||||||
1976 | 41.40 | a | 42.48 | 41.58 | 50.70 | 63.39 | 70.70 | 77.29 | 71.94 | 66.03 | 58.32 | 51.27 | 45.55 | 56.72 | ||||||||||||
1977 | 38.48 | 44.71 | 41.61 | 56.13 | 60.26 | 75.20 | 75.48 | 74.16 | 67.77 | 61.61 | 46.77 | 40.00 | 56.85 | |||||||||||||
1978 | 38.03 | 38.71 | 45.84 | 51.59 | a | 57.87 | 71.93 | 78.74 | 74.68 | 67.83 | 63.94 | 46.13 | 35.07 | a | 55.86 | |||||||||||
1979 | 27.65 | 36.86 | 42.65 | 49.47 | ----- | z | 70.90 | 77.90 | 72.94 | 74.40 | 63.84 | 41.67 | 44.90 | 54.83 | a | |||||||||||
1980 | 37.23 | 41.17 | 37.32 | 48.13 | 56.16 | 74.17 | 78.42 | 73.77 | 69.67 | 59.52 | 50.00 | 49.90 | 56.29 | |||||||||||||
1981 | 44.26 | 44.25 | 42.84 | 57.20 | 57.74 | 73.87 | 74.00 | 73.10 | 67.07 | 53.84 | 49.83 | 41.65 | 56.64 | |||||||||||||
1982 | 37.10 | a | 41.18 | 43.10 | 49.55 | a | 58.26 | 69.23 | 74.00 | 71.32 | 63.53 | 54.58 | 42.87 | 39.87 | 53.72 | |||||||||||
1983 | 43.77 | a | 42.71 | 42.84 | 45.30 | 56.33 | a | 66.43 | 73.35 | 73.29 | 69.10 | 60.19 | 44.57 | 35.57 | a | 54.45 | ||||||||||
1984 | 42.94 | 43.24 | 43.39 | 47.33 | 64.94 | 67.41 | a | 75.13 | 72.58 | 66.62 | a | 48.17 | a | 42.97 | 38.55 | 54.44 | ||||||||||
1985 | 38.58 | 38.07 | 41.19 | 54.17 | 59.35 | 73.53 | 73.87 | 74.32 | 61.31 | a | 56.16 | 40.80 | 42.77 | 54.51 | ||||||||||||
1986 | 47.48 | 41.32 | 49.71 | 51.31 | a | 60.13 | 70.27 | 71.23 | 74.03 | 59.52 | a | 53.77 | a | 45.70 | 40.74 | 55.43 | ||||||||||
1987 | 38.97 | 39.86 | 43.87 | a | 56.00 | 58.06 | 71.47 | 73.63 | a | 69.26 | 65.71 | b | 59.46 | c | 43.00 | a | 35.86 | c | 54.60 | |||||||
1988 | 33.71 | 41.48 | 42.13 | 53.29 | b | 59.92 | e | 70.34 | a | 73.77 | 71.42 | 64.87 | 61.65 | 41.17 | 37.71 | 54.29 | ||||||||||
1989 | 36.19 | 36.61 | 47.68 | 55.77 | 62.97 | 69.30 | 72.90 | 66.19 | 65.90 | 54.13 | 46.53 | 37.26 | 54.29 | |||||||||||||
1990 | 33.19 | 35.29 | 40.68 | 49.53 | 56.71 | 71.63 | 67.61 | 56.68 | 60.10 | 57.48 | 46.27 | 32.94 | 50.68 | |||||||||||||
1991 | 36.00 | 43.36 | 37.71 | 45.83 | 59.10 | a | 66.96 | b | 72.10 | 70.71 | 67.46 | b | 60.81 | 45.90 | a | 44.52 | 54.20 | |||||||||
1992 | 46.97 | 42.83 | 45.73 | a | 59.76 | a | 62.45 | b | 70.59 | a | 74.36 | c | 74.40 | a | 68.29 | b | 60.45 | b | 40.41 | a | 35.74 | 56.83 | ||||
1993 | 36.87 | a | 35.82 | 46.13 | 49.62 | a | ----- | z | ----- | z | 75.38 | j | 70.29 | 65.82 | b | 54.48 | d | 39.83 | 37.03 | a | 48.43 | c | ||||
1994 | 36.77 | 34.78 | a | 47.50 | a | 50.19 | c | 61.59 | b | 74.15 | d | 77.50 | a | 75.91 | i | 67.48 | g | 51.65 | 38.93 | a | 39.83 | a | 51.29 | b | ||
1995 | 34.94 | 45.44 | a | 42.19 | 46.00 | 52.20 | a | 65.63 | 72.39 | 75.23 | a | 66.23 | ----- | z | 49.87 | 41.43 | a | 53.78 | a | |||||||
1996 | 34.84 | 42.24 | 42.26 | 51.00 | 66.52 | f | 71.60 | 76.29 | 75.03 | a | 62.90 | 54.21 | c | 46.79 | b | 34.70 | a | 53.81 | a | |||||||
1997 | 35.17 | a | 39.60 | c | 48.30 | a | 46.70 | 61.03 | b | 68.27 | 72.23 | a | 70.55 | b | 66.48 | a | 56.16 | 43.38 | a | 37.07 | b | 53.75 | ||||
1998 | 38.35 | 34.46 | 41.97 | a | 45.10 | a | 59.13 | a | 66.97 | 76.00 | 75.00 | 69.10 | a | 53.26 | 45.10 | a | 40.68 | 53.76 | ||||||||
1999 | 39.35 | 43.11 | 49.00 | 45.00 | b | 56.16 | 68.13 | 72.26 | 69.23 | 65.37 | 62.68 | 56.33 | 40.23 | 55.57 | ||||||||||||
2000 | 38.00 | 40.66 | 42.55 | 55.27 | 66.03 | a | 75.67 | i | 77.55 | 75.94 | 67.97 | 55.42 | 38.27 | 39.13 | 54.25 | a | ||||||||||
2001 | 38.06 | 37.21 | 43.68 | 50.74 | c | 65.26 | 72.43 | 77.13 | a | 71.67 | a | ----- | z | ----- | z | ----- | z | ----- | z | 57.02 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.00 | 39.82 | 43.13 | 50.76 | 60.73 | 70.80 | 75.30 | 72.84 | 66.70 | 57.93 | 45.70 | 39.26 | 55.17 | |||||||||||||
S.D. | 3.74 | 3.34 | 3.50 | 3.92 | 3.41 | 2.89 | 2.51 | 3.45 | 2.94 | 4.33 | 3.98 | 4.13 | 1.34 | |||||||||||||
SKEW | 0.34 | -0.30 | 0.22 | 0.14 | 0.01 | 0.01 | -0.49 | -2.36 | -0.23 | -0.19 | 0.20 | 0.63 | -0.69 | |||||||||||||
MAX | 47.48 | 45.44 | 51.35 | 59.76 | 67.13 | 76.00 | 80.06 | 79.43 | 74.40 | 65.29 | 56.33 | 49.90 | 57.28 | |||||||||||||
MIN | 27.65 | 32.86 | 36.00 | 44.60 | 52.20 | 65.63 | 67.61 | 56.68 | 59.52 | 48.17 | 38.27 | 32.00 | 50.68 | |||||||||||||
YRS | 46 | 46 | 46 | 46 | 43 | 44 | 45 | 44 | 45 | 45 | 46 | 46 | 37 |