YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 1.71 | e | 10.88 | d | 19.54 | c | 33.96 | c | 48.00 | b | 66.13 | c | 67.69 | 61.73 | 53.52 | 43.63 | d | 28.62 | d | 11.50 | f | 39.58 | a | |||
1894 | 12.65 | 16.92 | j | 28.82 | f | 43.45 | a | 48.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | i | ||
1895 | ----- | z | ----- | z | 20.62 | b | 44.20 | 55.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.07 | i | ||
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 | ----- | 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 | 10.78 | k | 19.88 | g | 39.86 | i | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | 9.52 | 9.36 | 26.87 | 38.12 | 56.31 | 59.85 | 62.23 | 62.34 | 52.02 | 46.81 | 31.62 | a | 16.97 | 39.33 | ||||||||||||
1963 | 2.95 | a | 7.00 | 25.58 | 41.15 | 49.79 | 62.75 | 66.48 | 61.52 | 55.22 | 53.73 | 35.97 | 11.74 | 39.49 | ||||||||||||
1964 | 19.05 | 16.03 | 21.10 | 39.80 | 56.23 | a | 59.92 | 66.53 | 59.71 | 53.62 | a | 42.72 | b | 32.42 | 14.60 | 40.14 | ||||||||||
1965 | 9.90 | b | 9.52 | 18.71 | 36.00 | a | 54.81 | 57.83 | a | 60.94 | 61.66 | 50.86 | a | 44.37 | a | 30.47 | 23.52 | 38.21 | ||||||||
1966 | 6.32 | 15.95 | 28.21 | 34.95 | a | 45.19 | 62.12 | 67.15 | a | 60.02 | 52.98 | a | 41.16 | 28.13 | 16.24 | 38.20 | ||||||||||
1967 | 14.50 | c | 5.11 | a | 21.06 | 38.25 | 43.90 | a | 60.38 | 61.81 | 59.10 | 52.73 | 40.94 | 26.23 | 17.26 | 36.77 | ||||||||||
1968 | 8.40 | 10.00 | 29.90 | 40.52 | 48.29 | 59.43 | 63.40 | 61.42 | 55.88 | 46.19 | 30.13 | 16.23 | 39.15 | |||||||||||||
1969 | 13.15 | 13.70 | 19.50 | 39.97 | 50.55 | 53.47 | 63.10 | 65.82 | 54.63 | 40.19 | 28.13 | 17.66 | 38.32 | |||||||||||||
1970 | 5.29 | 7.95 | 18.81 | 38.67 | 48.89 | 61.40 | 67.53 | 64.11 | 54.27 | 45.26 | 29.88 | 15.66 | 38.14 | |||||||||||||
1971 | 4.55 | 10.41 | 19.05 | 37.08 | 46.90 | 63.23 | 60.71 | 59.66 | 56.08 | 51.23 | 30.68 | 16.94 | 38.04 | |||||||||||||
1972 | 2.08 | 6.59 | 18.16 | 32.58 | 54.13 | 57.87 | 62.61 | 61.73 | 51.78 | 39.40 | 28.65 | 11.82 | 35.62 | |||||||||||||
1973 | 14.13 | 12.38 | 33.89 | 37.73 | 47.16 | 60.48 | 64.89 | 64.68 | 54.37 | 49.21 | 29.73 | 15.24 | 40.32 | |||||||||||||
1974 | 8.34 | 6.61 | 21.77 | 38.08 | 47.50 | 56.43 | 65.10 | 61.79 | 48.40 | 41.33 | b | 31.43 | 21.40 | 37.35 | ||||||||||||
1975 | 11.11 | 15.38 | 19.65 | 31.88 | 55.53 | 61.37 | 67.05 | 62.95 | 50.12 | 44.18 | 33.68 | 14.56 | 38.95 | |||||||||||||
1976 | 5.15 | 17.41 | 21.16 | 40.32 | 47.35 | 62.60 | 64.77 | 62.37 | 51.13 | 37.16 | 21.87 | 5.47 | 36.40 | |||||||||||||
1977 | -0.13 | 13.00 | 29.23 | 41.82 | 59.63 | 58.23 | 66.48 | 56.60 | 53.95 | a | 42.27 | 29.45 | 15.02 | 38.80 | ||||||||||||
1978 | 9.37 | a | 9.34 | 21.44 | 35.97 | 53.43 | a | 58.17 | 62.82 | 63.39 | 56.38 | 42.53 | 28.02 | 10.61 | 37.62 | |||||||||||
1979 | 1.16 | 3.27 | 22.84 | 34.77 | 46.08 | 58.38 | 65.19 | 60.00 | 53.93 | 40.53 | 27.75 | 19.97 | 36.16 | |||||||||||||
1980 | 11.18 | 9.33 | 19.00 | 39.33 | 54.90 | a | 57.77 | 65.18 | 63.89 | 51.90 | 38.87 | 29.95 | 13.05 | 37.86 | ||||||||||||
1981 | 8.73 | 16.57 | 26.16 | 40.22 | 48.61 | 60.13 | 64.65 | 64.32 | 52.30 | 38.76 | 33.73 | 17.29 | 39.29 | |||||||||||||
1982 | 0.48 | 8.50 | 21.23 | 33.22 | 56.63 | 54.38 | 65.40 | 59.61 | 52.57 | 44.55 | a | 28.03 | 22.56 | 37.26 | ||||||||||||
1983 | 15.53 | a | 20.98 | a | 26.17 | a | 35.66 | a | 45.78 | a | 60.45 | 70.37 | 67.45 | 56.50 | 43.53 | 31.50 | a | 5.85 | 39.98 | |||||||
1984 | 4.85 | 23.77 | a | 17.18 | 41.62 | 47.85 | 63.13 | 63.52 | 65.89 | 51.98 | 46.63 | 29.00 | 17.21 | 39.39 | ||||||||||||
1985 | 8.26 | 9.75 | 28.55 | 41.73 | b | 54.06 | 57.03 | a | 63.63 | 61.50 | 54.72 | 43.31 | 25.43 | 7.20 | c | 37.93 | ||||||||||
1986 | 11.29 | b | 12.23 | 25.35 | 44.60 | 56.06 | 59.12 | 67.15 | 60.24 | b | 54.77 | 42.08 | 24.97 | 18.90 | a | 39.73 | ||||||||||
1987 | 15.95 | 20.73 | 29.56 | 44.10 | 54.08 | 63.98 | c | 67.52 | 62.98 | a | 55.60 | a | 37.92 | 32.18 | 22.72 | a | 42.28 | |||||||||
1988 | 9.43 | a | 8.71 | 24.35 | 39.90 | a | 55.32 | 64.60 | 68.53 | 66.35 | 54.69 | a | 38.12 | a | 31.65 | 15.32 | 39.75 | |||||||||
1989 | 16.73 | 7.48 | a | 19.45 | 37.87 | d | 52.65 | d | 59.38 | d | 68.75 | e | 64.59 | d | 56.27 | d | 46.67 | g | 24.24 | e | 5.54 | f | 40.74 | b | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 8.72 | 11.65 | 23.14 | 38.63 | 51.29 | 60.00 | 65.21 | 62.32 | 53.56 | 43.09 | 29.43 | 15.59 | 38.54 | |||||||||||||
S.D. | 5.19 | 4.99 | 4.36 | 3.45 | 4.26 | 2.92 | 2.45 | 2.48 | 2.03 | 3.98 | 3.04 | 4.70 | 1.46 | |||||||||||||
SKEW | 0.03 | 0.70 | 0.67 | -0.14 | 0.05 | -0.10 | -0.02 | 0.04 | -0.51 | 0.82 | -0.32 | -0.48 | 0.16 | |||||||||||||
MAX | 19.05 | 23.77 | 33.89 | 44.60 | 59.63 | 66.13 | 70.37 | 67.45 | 56.50 | 53.73 | 35.97 | 23.52 | 42.28 | |||||||||||||
MIN | -0.13 | 3.27 | 17.18 | 31.88 | 43.90 | 53.47 | 60.71 | 56.60 | 48.40 | 37.16 | 21.87 | 5.47 | 35.62 | |||||||||||||
YRS | 30 | 29 | 30 | 31 | 31 | 29 | 29 | 29 | 29 | 28 | 29 | 27 | 27 |