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 | 32.76 | f | ----- | z |
1895 | ----- | z | 12.26 | a | 29.55 | 37.64 | b | 47.97 | 53.53 | 54.00 | 55.77 | 51.73 | 36.38 | b | 30.78 | g | 25.50 | a | 40.43 | b | ||||||
1896 | 22.71 | 22.14 | 22.28 | f | 45.57 | b | 54.48 | 54.73 | 54.89 | v | 56.23 | 49.30 | 52.16 | l | 41.86 | w | 18.11 | v | 43.59 | e | ||||||
1897 | 18.69 | e | 25.35 | b | 33.57 | a | 35.86 | a | 43.61 | 53.33 | 58.90 | 57.03 | ----- | z | ----- | z | 29.50 | b | 26.57 | c | 38.24 | b | ||||
1898 | 27.18 | c | 21.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.06 | 54.00 | ----- | z | ----- | z | ----- | z | 40.15 | h | ||
1899 | 20.10 | a | 16.36 | c | 30.17 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 22.21 | 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 | 24.08 | o | ----- | 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 | 16.45 | 21.62 | b | 35.80 | a | 38.37 | 42.74 | 51.50 | b | 55.07 | c | 53.65 | 51.37 | 37.26 | 31.60 | 17.48 | 37.74 | |||||||||
1946 | 19.32 | ----- | z | ----- | z | 36.73 | 45.19 | 51.93 | 54.10 | a | 49.77 | 46.13 | 39.97 | 30.73 | 22.10 | 39.60 | b | |||||||||
1947 | 22.57 | a | 11.71 | 18.34 | b | 35.77 | 43.84 | 49.50 | 51.32 | 55.71 | 47.57 | 40.74 | 26.17 | 20.23 | a | 35.29 | ||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.48 | 48.30 | 35.52 | 35.23 | 24.71 | 39.65 | g | |||||
1949 | 29.81 | 27.11 | 25.65 | 35.00 | 45.58 | 54.63 | 59.55 | 55.48 | 45.47 | 43.71 | 28.83 | 24.39 | 39.60 | |||||||||||||
1950 | 30.53 | a | 21.93 | a | 23.79 | g | 32.52 | a | 47.26 | 52.95 | i | 55.23 | 54.27 | a | 48.79 | a | 42.03 | 26.33 | 17.32 | 37.62 | b | |||||
1951 | 20.61 | 21.93 | 27.39 | 35.60 | 45.19 | 53.10 | 54.94 | 53.42 | 51.30 | 44.39 | 29.79 | a | ----- | z | 39.79 | a | ||||||||||
1952 | ----- | z | 27.15 | c | 29.29 | 42.34 | a | 52.52 | 64.93 | a | 66.30 | a | 63.03 | 54.83 | 43.55 | i | 35.80 | 25.35 | 46.16 | b | ||||||
1953 | 29.74 | h | 28.31 | b | 27.42 | 33.93 | b | 48.19 | 54.60 | 62.03 | 60.55 | 54.27 | 43.39 | 25.67 | 21.16 | 41.77 | a | |||||||||
1954 | 19.03 | 23.54 | b | 27.66 | b | 41.31 | a | 43.32 | 54.30 | 53.90 | 57.37 | a | 49.23 | 39.58 | 28.20 | 17.55 | 37.92 | |||||||||
1955 | 15.90 | a | 19.63 | a | 29.42 | 40.55 | a | 47.74 | 48.30 | 60.87 | 60.57 | a | 51.23 | 41.65 | 27.10 | 13.16 | 38.01 | |||||||||
1956 | ----- | z | ----- | z | 23.18 | i | 35.17 | 43.19 | 49.43 | 57.21 | q | 58.94 | 44.27 | h | 41.21 | b | 29.86 | a | 30.42 | 41.17 | e | |||||
1957 | 17.48 | b | 23.25 | 28.58 | 37.97 | a | 44.77 | 54.79 | a | 53.16 | 52.20 | a | 51.18 | b | 34.26 | 30.00 | 20.73 | a | 37.36 | |||||||
1958 | 16.32 | 10.43 | 23.34 | b | 35.27 | 44.29 | 50.57 | 58.32 | ----- | z | 46.50 | 36.35 | 28.03 | 12.77 | a | 32.93 | a | |||||||||
1959 | 13.19 | e | 18.71 | 24.81 | 35.44 | l | 46.32 | 49.19 | c | 55.97 | 55.13 | 46.77 | 39.97 | 24.55 | a | 22.04 | g | 37.46 | b | |||||||
1960 | 18.94 | 15.25 | a | 10.86 | b | 37.43 | 41.90 | 49.33 | ----- | z | 54.52 | 49.31 | a | 36.77 | 25.86 | a | 9.81 | 31.82 | a | |||||||
1961 | 9.67 | a | 22.52 | a | 29.42 | 31.50 | b | 37.47 | a | 48.73 | 53.23 | 54.03 | 49.67 | 35.68 | 30.90 | 18.57 | a | 35.11 | ||||||||
1962 | 16.35 | 19.15 | b | 22.57 | a | 32.20 | 49.03 | 48.83 | 51.87 | 50.32 | 45.45 | a | 38.55 | 26.19 | c | 12.03 | 34.38 | |||||||||
1963 | 9.65 | 9.36 | 28.63 | a | 34.70 | c | 42.80 | a | 50.33 | 53.35 | 51.42 | 44.37 | 38.65 | 34.50 | 11.96 | c | 34.14 | |||||||||
1964 | 17.29 | 14.97 | 27.47 | a | 38.29 | b | 46.26 | 51.40 | 55.65 | 51.23 | a | 47.03 | 33.65 | 32.10 | 22.53 | a | 36.49 | |||||||||
1965 | 16.94 | 17.79 | 25.53 | a | 36.57 | 50.10 | 50.27 | 53.67 | a | 54.26 | 51.17 | 35.84 | 30.93 | a | 24.97 | 37.33 | ||||||||||
1966 | 14.67 | a | 18.43 | 27.68 | 35.52 | a | 43.45 | 48.17 | 55.13 | 53.87 | 46.73 | 34.90 | 29.57 | 20.52 | 35.72 | |||||||||||
1967 | 20.81 | 14.25 | 27.68 | 37.60 | 40.81 | 50.20 | 54.29 | 52.55 | 42.73 | 36.59 | b | 25.97 | a | 21.65 | 35.43 | |||||||||||
1968 | 11.71 | 12.18 | a | 28.73 | a | 36.97 | a | 41.41 | b | 50.97 | 55.26 | 56.19 | 46.17 | 39.48 | 28.17 | 16.65 | 35.32 | |||||||||
1969 | 13.37 | a | 19.93 | 20.71 | 34.10 | 45.23 | 52.70 | 55.97 | 53.41 | b | 47.31 | a | ----- | z | 27.67 | 17.00 | 35.22 | a | ||||||||
1970 | 12.19 | 17.93 | 24.71 | 37.07 | 46.48 | 52.24 | a | 55.90 | ----- | z | ----- | z | 37.07 | c | ----- | z | ----- | z | 35.45 | d | ||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.61 | 55.61 | 51.03 | 37.19 | 29.37 | 29.67 | a | 43.41 | f | |||||
1973 | 19.65 | 19.11 | 35.13 | 36.67 | 43.65 | 54.10 | 55.52 | 55.10 | 50.53 | 38.32 | 29.69 | a | 21.74 | 38.27 | ||||||||||||
1974 | 28.61 | 18.79 | 29.03 | 35.10 | 42.48 | 48.03 | 52.03 | 54.29 | 44.83 | 32.61 | 27.20 | 19.87 | 36.07 | |||||||||||||
1975 | 19.65 | 22.72 | c | 22.19 | 28.03 | 45.74 | 50.97 | 52.61 | 53.71 | 48.30 | 41.68 | 33.23 | 22.65 | 36.79 | ||||||||||||
1976 | 16.68 | 26.10 | 32.58 | 36.57 | 43.48 | 54.00 | 54.45 | 51.65 | 47.27 | 35.26 | 23.10 | 15.48 | 36.38 | |||||||||||||
1977 | 5.32 | 17.68 | 32.90 | 39.03 | 47.23 | a | 52.27 | 58.39 | 57.10 | 51.87 | 36.13 | 33.20 | 19.45 | 37.55 | ||||||||||||
1978 | 10.19 | 11.07 | 25.26 | 36.47 | 44.58 | 52.90 | 56.84 | 58.52 | 51.83 | 34.77 | 33.60 | 22.39 | c | 36.54 | ||||||||||||
1979 | 15.73 | a | 12.29 | 27.87 | a | 36.90 | 45.52 | 50.33 | 57.45 | 56.16 | 50.80 | 38.13 | 33.93 | 22.52 | 37.30 | |||||||||||
1980 | 21.84 | 14.14 | 24.68 | 36.20 | 46.81 | 51.03 | 58.32 | 57.35 | 53.00 | 36.48 | 28.17 | 21.39 | 37.45 | |||||||||||||
1981 | 13.43 | a | 21.04 | 24.06 | 39.40 | 43.42 | 55.13 | 58.06 | 52.74 | 48.70 | 35.94 | 28.40 | 19.23 | 36.63 | ||||||||||||
1982 | 12.61 | 21.68 | 28.26 | 33.17 | a | 48.45 | 52.17 | 57.35 | 53.87 | 47.37 | 40.39 | 31.73 | 29.74 | 38.07 | ||||||||||||
1983 | 19.52 | 21.04 | 30.77 | a | 36.07 | 43.03 | 51.20 | 56.45 | 57.87 | 48.10 | 41.90 | 31.60 | 19.07 | a | 38.05 | |||||||||||
1984 | 17.90 | 27.03 | 25.58 | 35.97 | a | 45.61 | 58.00 | e | 56.42 | 56.61 | 46.73 | 49.39 | 28.53 | 31.10 | 39.91 | |||||||||||
1985 | 14.00 | a | 19.64 | 29.50 | a | 39.67 | 48.19 | 53.30 | 57.19 | 55.26 | 47.63 | 43.77 | 40.14 | a | 19.10 | a | 38.95 | |||||||||
1986 | 17.93 | b | 25.18 | 28.13 | 39.13 | 46.26 | 54.21 | a | 60.19 | 54.97 | 52.50 | 41.39 | 32.87 | 23.97 | 39.73 | |||||||||||
1987 | 19.17 | a | 21.74 | a | 28.84 | 36.47 | 48.58 | 55.90 | 59.19 | 57.26 | 51.60 | 33.68 | 32.32 | b | 26.43 | a | 39.26 | |||||||||
1988 | 14.68 | 20.62 | 29.45 | b | 37.83 | a | 45.71 | 50.47 | 57.33 | a | 58.90 | a | 49.13 | 32.81 | 30.00 | 20.55 | b | 37.29 | ||||||||
1989 | 24.87 | 21.46 | 29.97 | a | 33.83 | 43.55 | 55.45 | a | 59.55 | 55.77 | 51.10 | 39.13 | ----- | z | ----- | z | 41.47 | b | ||||||||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | 44.81 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.75 | 19.46 | 27.36 | 36.55 | 45.41 | 52.30 | 56.35 | 55.35 | 49.12 | 38.43 | 29.91 | 20.94 | 37.14 | |||||||||||||
S.D. | 5.38 | 4.88 | 4.42 | 2.97 | 3.03 | 3.07 | 2.97 | 2.73 | 2.80 | 3.58 | 3.37 | 5.05 | 1.54 | |||||||||||||
SKEW | 0.37 | -0.29 | -1.19 | 0.18 | 0.46 | 1.57 | 0.86 | 0.37 | -0.01 | 0.66 | 0.55 | -0.06 | -0.05 | |||||||||||||
MAX | 30.53 | 28.31 | 35.80 | 45.57 | 54.48 | 64.93 | 66.30 | 63.03 | 54.83 | 49.39 | 40.14 | 31.10 | 39.91 | |||||||||||||
MIN | 5.32 | 9.36 | 10.86 | 28.03 | 37.47 | 48.03 | 51.32 | 49.77 | 42.73 | 32.61 | 23.10 | 9.81 | 34.14 | |||||||||||||
YRS | 43 | 45 | 42 | 44 | 45 | 44 | 43 | 46 | 45 | 43 | 43 | 42 | 30 |