YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | 0.60 | 1.38 | 0.25 | 1.10 | 0.50 | 1.95 | 0.75 | w | 2.00 | 0.80 | 0.55 | x | 2.00 | r | 0.50 | t | ----- | z | ||||||||
1906 | 1.25 | y | ----- | z | 2.50 | y | 0.75 | w | ----- | z | ----- | z | ----- | z | 1.65 | w | 0.45 | y | 1.20 | w | 0.69 | u | 2.50 | t | ----- | z |
1907 | 3.60 | o | 1.47 | 2.20 | 0.90 | 2.00 | 0.80 | 1.50 | 1.22 | ----- | z | 0.75 | 1.00 | 1.75 | ----- | z | ||||||||||
1908 | 0.85 | 2.50 | 3.50 | 0.95 | 0.50 | 0.50 | 0.75 | 1.45 | w | 3.25 | 1.95 | 0.50 | 0.35 | 3.50 | w | |||||||||||
1909 | 2.25 | 2.25 | 5.55 | 0.65 | 0.75 | v | 0.30 | 0.40 | 0.30 | 0.55 | 1.50 | 0.80 | 5.00 | 5.55 | v | |||||||||||
1910 | 5.50 | 1.50 | 0.50 | 0.70 | 1.05 | 0.55 | 0.40 | 0.65 | 3.50 | 4.65 | 2.50 | a | 1.25 | 5.50 | a | |||||||||||
1911 | 4.50 | 2.75 | o | 3.05 | u | ----- | z | 0.55 | x | 0.70 | 1.25 | 1.10 | 2.95 | 2.55 | 0.55 | 0.50 | ----- | z | ||||||||
1912 | 0.55 | 0.50 | 1.00 | 3.00 | 0.55 | 2.50 | 0.50 | 0.45 | 0.25 | 0.50 | 0.80 | 2.25 | y | 3.00 | y | |||||||||||
1913 | 0.50 | 1.30 | 3.00 | 0.75 | 1.25 | ----- | z | 0.50 | 0.45 | 1.30 | 1.00 | 3.00 | 2.00 | ----- | z | |||||||||||
1914 | 2.75 | 0.55 | 2.15 | 2.00 | ----- | z | 1.60 | 0.30 | s | 0.50 | 3.75 | a | 0.50 | 3.00 | 6.75 | ----- | z | |||||||||
1915 | 0.00 | 0.35 | v | 1.00 | 1.75 | 0.70 | 1.90 | 1.00 | 1.45 | 1.30 | 0.60 | 1.50 | 6.50 | 6.50 | v | |||||||||||
1916 | 2.50 | 2.00 | 5.00 | 1.43 | 1.67 | 1.83 | 1.43 | u | 0.54 | 1.17 | 2.87 | v | 4.03 | 3.76 | ----- | z | ||||||||||
1917 | 2.25 | 2.50 | 11.40 | 2.45 | 5.15 | 0.30 | 1.15 | 0.75 | 0.37 | 1.80 | x | 0.50 | 0.45 | 11.40 | x | |||||||||||
1918 | 2.10 | 0.95 | 5.00 | 2.40 | 0.75 | 0.45 | 0.50 | 1.10 | 0.30 | 1.00 | 3.50 | 1.00 | 5.00 | |||||||||||||
1919 | 0.70 | 0.30 | 0.00 | 1.10 | 0.60 | 0.00 | 0.70 | 0.50 | 0.30 | 3.75 | 0.70 | 1.80 | 3.75 | |||||||||||||
1920 | 5.80 | 0.00 | 0.70 | 0.65 | 1.15 | 0.24 | 1.00 | 0.40 | 0.90 | 1.20 | 1.25 | 4.80 | 5.80 | |||||||||||||
1921 | 5.10 | 0.00 | 1.10 | 1.50 | 0.50 | 0.25 | 0.00 | 0.10 | 0.30 | 2.30 | 0.30 | 3.10 | t | 5.10 | t | |||||||||||
1922 | 2.75 | 1.15 | 0.30 | 2.10 | 2.00 | 0.00 | 0.10 | 0.15 | 1.10 | 1.40 | 1.70 | 0.20 | 2.75 | |||||||||||||
1923 | 1.30 | 2.00 | 5.25 | 1.85 | 0.05 | 0.10 | 0.40 | 0.25 | 0.60 | 0.50 | 2.35 | 1.50 | 5.25 | |||||||||||||
1924 | 0.00 | s | 0.55 | 0.30 | 1.10 | i | 1.25 | 0.25 | 0.75 | 0.35 | 0.40 | 2.10 | 2.25 | 1.50 | ----- | z | ||||||||||
1925 | 1.00 | 1.50 | 1.00 | 0.50 | 0.30 | 0.40 | 0.60 | 0.30 | 0.60 | 1.10 | 1.10 | 0.70 | 1.50 | |||||||||||||
1926 | 0.60 | 0.30 | t | 0.70 | ----- | z | 0.70 | w | 0.55 | m | 1.00 | 0.25 | 0.40 | 2.50 | 0.00 | r | 0.65 | ----- | z | |||||||
1927 | 1.00 | 0.20 | 1.50 | 1.65 | 2.20 | 0.10 | 0.50 | 0.50 | 0.70 | s | 0.75 | 3.00 | 8.00 | 8.00 | s | |||||||||||
1928 | 0.65 | 0.62 | 0.62 | 1.05 | o | 0.50 | ----- | z | 0.75 | 0.70 | 0.50 | 1.95 | 6.50 | 0.30 | ----- | z | ||||||||||
1929 | 0.85 | s | 1.25 | 0.55 | 0.50 | 1.50 | 0.15 | 0.75 | b | 0.20 | v | 0.30 | 1.30 | 2.70 | t | 0.60 | ----- | z | ||||||||
1930 | 2.35 | 1.00 | 6.40 | 0.15 | 0.00 | 0.10 | 1.10 | 1.20 | 1.50 | 3.00 | 3.10 | 0.50 | 6.40 | |||||||||||||
1931 | 0.70 | 0.15 | x | ----- | z | 1.05 | 0.50 | 0.50 | 0.25 | 0.55 | 1.65 | 2.00 | 0.80 | 3.20 | ----- | z | ||||||||||
1932 | 3.40 | 4.25 | j | 1.65 | 0.70 | 3.55 | 0.25 | 0.25 | 0.26 | 0.50 | 0.20 | 6.00 | 0.46 | 6.00 | j | |||||||||||
1933 | 4.70 | 1.25 | 3.60 | 1.05 | 1.72 | 0.47 | t | 0.21 | k | 0.12 | t | 0.15 | l | 0.16 | 0.90 | 2.70 | ----- | z | ||||||||
1934 | 0.80 | t | 0.75 | s | 0.12 | 0.55 | 0.50 | 1.20 | i | 1.20 | 1.15 | 0.95 | i | 0.65 | n | 0.50 | 1.25 | o | ----- | z | ||||||
1935 | 2.05 | 2.55 | 1.30 | 0.50 | 0.45 | 0.48 | 0.60 | 0.45 | 1.55 | 2.40 | 0.42 | 4.85 | 4.85 | |||||||||||||
1936 | 1.55 | 0.85 | 1.15 | 0.76 | 0.20 | 0.22 | 0.58 | 3.32 | m | 0.50 | 5.10 | 0.62 | 1.55 | 5.10 | m | |||||||||||
1937 | 2.45 | 1.60 | 5.42 | 3.42 | t | 1.98 | 0.21 | 0.72 | 1.41 | 0.41 | ----- | z | 2.10 | 0.65 | ----- | z | ||||||||||
1938 | 1.80 | r | 11.25 | 1.65 | 0.55 | 0.35 | 1.10 | 0.35 | 1.35 | m | 0.32 | 0.45 | 0.52 | 1.05 | j | ----- | z | |||||||||
1939 | 0.29 | 1.97 | 2.20 | 1.77 | 0.83 | m | 0.46 | 0.47 | 0.38 | 0.35 | 2.07 | 1.78 | 0.34 | 2.20 | m | |||||||||||
1940 | 1.50 | 0.19 | 9.45 | 0.38 | 7.12 | 0.46 | 0.72 | 1.33 | 0.92 | 2.42 | 0.38 | 0.62 | 9.45 | |||||||||||||
1941 | 0.98 | 0.98 | 0.48 | 1.78 | 0.61 | 0.52 | 0.23 | 1.97 | 0.70 | 1.75 | 0.49 | 0.53 | 1.97 | |||||||||||||
1942 | 0.70 | 1.05 | 1.13 | 1.97 | 0.85 | 2.50 | 1.47 | 0.47 | 0.23 | 1.72 | 3.55 | 3.45 | 3.55 | |||||||||||||
1943 | 1.72 | 0.41 | 0.70 | 0.33 | 1.97 | 0.87 | 0.45 | 0.56 | 0.46 | 0.37 | 0.47 | 0.71 | 1.97 | |||||||||||||
1944 | 1.08 | 3.40 | 3.54 | 0.16 | 0.47 | 2.30 | 0.60 | 0.24 | 0.25 | 0.25 | 0.43 | 0.86 | 3.54 | |||||||||||||
1945 | 0.30 | 0.47 | 0.76 | 4.50 | 1.26 | 0.26 | 0.48 | 0.30 | 0.36 | 0.79 | 1.03 | 3.25 | 4.50 | |||||||||||||
1946 | 2.73 | 1.72 | 0.62 | 1.80 | 0.30 | 0.50 | 0.55 | 0.40 | 0.25 | 0.35 | 3.30 | 4.25 | 4.25 | |||||||||||||
1947 | 1.62 | 0.18 | 1.65 | 0.76 | 0.67 | 0.30 | 0.65 | 0.65 | 3.10 | 0.73 | 4.73 | 1.05 | 4.73 | |||||||||||||
1948 | 2.72 | 0.85 | 0.58 | 3.47 | 0.65 | 0.27 | 0.15 | 1.20 | 0.65 | 0.37 | 1.48 | 0.40 | 3.47 | |||||||||||||
1949 | 4.20 | 7.20 | 0.43 | 0.10 | 2.05 | 1.85 | 0.10 | 0.35 | 0.18 | 0.75 | 0.50 | 1.60 | 7.20 | |||||||||||||
1950 | 6.11 | 5.87 | 1.90 | a | 4.10 | 0.98 | 0.68 | 0.32 | b | 3.80 | 0.25 | 0.73 | a | 0.95 | 3.28 | 6.11 | d | |||||||||
1951 | 0.90 | a | 1.90 | 2.92 | a | 1.96 | 0.24 | b | 0.16 | 0.23 | 0.92 | a | 0.67 | a | 5.60 | 0.38 | 7.20 | a | 7.20 | g | ||||||
1952 | 3.10 | 0.98 | 1.65 | a | 0.44 | 0.69 | 0.24 | 0.29 | a | 0.28 | 0.42 | 1.90 | b | 3.70 | b | 0.52 | a | 3.70 | g | |||||||
1953 | 1.68 | 1.82 | b | 1.15 | b | 0.50 | 0.56 | 0.28 | 0.19 | b | 0.56 | e | 1.36 | c | 0.70 | a | 2.00 | c | 0.83 | d | 2.00 | v | ||||
1954 | 0.74 | b | 1.48 | b | 9.27 | c | 0.95 | b | 1.87 | 0.30 | 1.64 | b | 1.36 | d | 0.40 | d | 0.71 | e | 8.12 | b | 1.55 | b | ----- | z | ||
1955 | 2.50 | f | 2.45 | b | 1.10 | c | 0.82 | d | 1.50 | d | 0.60 | d | 0.35 | d | 0.48 | d | 1.67 | d | 7.70 | e | 6.30 | b | 3.10 | a | ----- | z |
1956 | 15.10 | e | 2.40 | b | 0.58 | d | 1.54 | e | 0.37 | d | 0.16 | d | 0.46 | e | 0.61 | c | 1.68 | f | 2.11 | a | 2.50 | e | 3.87 | e | ----- | z |
1957 | 6.23 | c | 1.75 | d | 0.35 | b | 0.43 | d | 0.23 | b | 0.37 | b | 0.62 | f | 0.46 | c | 0.33 | d | 0.86 | d | 2.80 | d | 2.90 | d | ----- | z |
1958 | 0.52 | a | 2.38 | c | 0.59 | d | 0.56 | d | 0.30 | d | 0.23 | d | 1.06 | d | 1.68 | e | 0.42 | e | 5.22 | d | 0.51 | c | 3.75 | c | ----- | z |
1959 | 2.42 | b | 0.73 | d | 0.43 | c | 0.62 | c | 2.03 | c | 0.17 | c | 1.03 | d | 4.92 | d | 1.76 | e | 0.43 | b | 3.49 | e | 0.82 | e | ----- | z |
1960 | 0.51 | d | 1.16 | c | 8.15 | d | 0.58 | d | 0.79 | c | 0.43 | c | 0.60 | c | 0.28 | c | 0.84 | c | 3.70 | d | 0.40 | c | 2.56 | e | ----- | z |
1961 | 1.82 | d | 0.60 | c | 0.43 | c | 2.17 | f | 2.14 | c | 1.12 | d | 1.03 | f | 0.58 | d | 0.29 | e | 2.33 | d | 0.88 | d | 5.10 | e | ----- | z |
1962 | 4.30 | d | 0.91 | b | 5.70 | d | 2.75 | c | 1.27 | d | 1.38 | b | 0.52 | e | 0.32 | d | 0.28 | f | 1.16 | 0.77 | 1.15 | ----- | z | |||
1963 | 4.65 | 1.38 | 2.50 | 3.92 | 0.92 | 0.48 | 0.64 | d | 0.59 | b | 0.69 | b | 0.48 | d | 0.33 | c | 1.04 | c | 4.65 | r | ||||||
1964 | 1.56 | c | 0.98 | c | 4.37 | f | 2.32 | d | 0.33 | c | 0.19 | c | 0.69 | e | 0.44 | e | 0.43 | c | 1.23 | d | 2.88 | f | 2.30 | d | ----- | z |
1965 | 3.33 | e | 2.48 | c | 0.93 | d | 3.09 | d | 6.66 | e | 0.53 | d | 0.43 | d | 0.43 | e | 0.84 | c | 1.63 | d | 3.79 | f | 1.97 | e | ----- | z |
1966 | 1.67 | e | 2.42 | d | 0.25 | b | 0.16 | c | 2.11 | d | 0.45 | d | 1.80 | e | 0.45 | d | 0.30 | c | 6.00 | d | 8.20 | f | 1.13 | e | ----- | z |
1967 | 1.84 | f | 3.56 | d | 2.63 | e | 0.95 | e | 7.81 | b | 0.42 | d | 0.90 | g | 0.40 | c | 1.15 | d | 0.39 | d | 4.30 | f | 8.69 | g | ----- | z |
1968 | 2.61 | e | 2.10 | c | 1.50 | c | 5.30 | e | 0.60 | c | 0.20 | d | 0.89 | f | 0.36 | d | 1.10 | e | 6.00 | c | 3.48 | e | 2.75 | d | ----- | z |
1969 | 2.24 | c | 1.03 | d | 0.75 | e | 0.37 | e | 2.62 | d | 0.21 | b | 0.55 | e | 0.57 | e | 0.52 | e | 0.56 | d | 2.45 | f | 4.33 | f | ----- | z |
1970 | 4.82 | f | 0.49 | b | 0.14 | e | 1.10 | d | 2.00 | f | 0.29 | c | 1.15 | e | 0.45 | e | 0.35 | e | 1.35 | d | 4.16 | d | 0.47 | e | ----- | z |
1971 | 1.90 | g | 3.50 | c | 2.50 | d | 2.30 | e | 1.27 | d | 1.10 | d | 1.15 | d | 0.70 | e | 1.04 | e | 0.32 | e | 2.10 | f | 9.50 | f | ----- | z |
1972 | 7.30 | f | 3.90 | d | 1.55 | b | 10.57 | e | 0.65 | c | 2.77 | d | 2.25 | g | 0.65 | d | 1.20 | d | 3.27 | d | 0.70 | f | 0.75 | f | ----- | z |
1973 | 0.50 | c | 0.95 | b | 0.70 | d | 0.63 | f | 0.49 | d | 0.15 | d | 0.52 | e | 0.30 | c | 0.30 | f | 0.57 | d | 5.00 | e | 5.70 | e | ----- | z |
1974 | 1.35 | e | 1.50 | d | 2.00 | g | 1.10 | c | 2.71 | c | 0.70 | e | 0.62 | e | 0.55 | d | 2.48 | d | 0.50 | d | 2.50 | f | 1.80 | e | ----- | z |
1975 | 3.17 | f | 0.38 | e | 3.55 | f | 0.85 | d | 0.25 | c | 0.20 | d | 0.30 | e | 0.40 | d | 0.25 | c | 0.40 | c | 1.30 | g | 2.45 | b | ----- | z |
1976 | 2.40 | f | 2.80 | e | 1.40 | d | 1.00 | e | 0.50 | e | 0.40 | d | 1.10 | e | 0.80 | e | 0.75 | e | 0.60 | e | 1.50 | f | 0.32 | d | ----- | z |
1977 | 1.10 | g | 0.80 | c | 0.55 | d | 1.87 | e | 3.05 | d | 0.90 | d | 0.20 | f | 0.85 | d | 0.45 | e | 0.40 | c | 0.45 | c | 1.89 | d | ----- | z |
1978 | 0.30 | h | 0.19 | b | 0.95 | e | 0.47 | e | 1.87 | d | 1.22 | d | 0.38 | f | 0.78 | c | 0.76 | e | 3.38 | e | 5.36 | f | 0.82 | f | ----- | z |
1979 | 1.23 | g | 5.94 | d | 0.56 | c | 0.60 | f | 1.10 | d | 0.22 | c | 0.19 | e | 0.72 | b | 0.36 | f | 0.41 | d | 0.70 | f | 1.70 | d | ----- | z |
1980 | 1.83 | d | 0.96 | c | 1.84 | d | 0.64 | d | 3.65 | d | 1.08 | d | 0.86 | e | 0.93 | c | 1.36 | c | 1.05 | d | 0.80 | f | 3.65 | d | ----- | z |
1981 | 0.30 | d | 0.97 | c | 1.88 | d | 1.60 | d | 1.00 | d | 0.31 | d | 0.78 | e | 0.81 | d | 0.50 | e | 1.25 | c | 1.50 | f | 4.00 | e | ----- | z |
1982 | 6.00 | g | 2.00 | f | 3.87 | d | 2.08 | e | 1.67 | d | 0.68 | d | 0.65 | f | 0.90 | d | 2.70 | d | 3.65 | e | 9.22 | j | 2.91 | f | ----- | z |
1983 | 0.28 | g | 0.22 | b | 0.24 | b | 0.26 | g | 0.64 | d | 0.64 | d | 0.50 | g | 1.48 | d | 0.25 | e | 0.74 | f | 0.94 | e | 0.28 | g | ----- | z |
1984 | 1.63 | e | 0.45 | d | 0.50 | e | 0.78 | e | 0.32 | c | 0.31 | e | 0.22 | e | 0.34 | c | 0.86 | h | 2.24 | c | 8.10 | f | 2.20 | h | ----- | z |
1985 | 1.45 | e | 1.05 | e | 0.43 | f | 0.85 | d | 0.43 | c | 0.21 | e | 0.30 | c | 1.63 | d | 0.64 | f | 0.96 | c | 2.15 | g | 0.32 | c | ----- | z |
1986 | 0.23 | h | 0.13 | d | 0.56 | d | 1.85 | d | 4.80 | d | 0.22 | e | 0.85 | e | 0.90 | c | 1.76 | c | 1.20 | d | 9.20 | i | 1.06 | e | ----- | z |
1987 | 0.31 | t | 3.20 | u | 0.64 | v | 3.20 | w | 2.40 | x | 0.48 | u | 0.68 | x | 0.85 | v | 2.30 | t | 1.75 | x | 2.75 | u | 10.50 | x | ----- | z |
1988 | 8.58 | x | 9.10 | t | 2.42 | x | 0.81 | w | 3.00 | t | 0.35 | w | 1.07 | x | 1.10 | f | 0.20 | e | 1.25 | d | 8.40 | e | 3.20 | k | ----- | z |
1989 | 3.40 | k | 2.85 | e | 4.25 | e | 1.27 | f | 0.23 | d | 0.26 | d | 6.30 | g | 1.63 | d | 0.36 | f | 6.20 | e | 3.90 | f | 1.36 | j | ----- | z |
1990 | 6.76 | j | 0.92 | e | 0.96 | c | 2.20 | c | 0.80 | c | 0.16 | c | 0.53 | d | 0.34 | d | 0.42 | g | 0.22 | b | 4.53 | f | 0.32 | n | ----- | z |
1991 | 3.20 | g | 0.26 | e | 3.30 | f | 1.06 | d | 0.87 | c | 2.10 | e | 0.31 | b | 0.75 | d | 0.33 | f | 2.05 | c | 0.45 | d | 21.20 | n | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.54 | v | 0.90 | w | 0.68 | u | 0.42 | v | 6.28 | v | 0.83 | t | 0.76 | w | ----- | z |
1994 | 1.20 | v | 3.76 | t | 1.65 | v | 0.90 | v | 0.60 | u | 1.70 | v | 0.60 | w | 0.30 | y | 1.86 | v | 2.17 | q | 0.35 | u | 0.50 | r | ----- | z |
1995 | 0.28 | k | 1.50 | o | 0.36 | r | 1.15 | v | 0.70 | p | 0.46 | v | 1.12 | v | 0.97 | v | 1.38 | v | 2.09 | u | 5.80 | v | 2.78 | r | ----- | z |
1996 | 3.75 | u | 1.46 | u | 8.00 | w | 0.90 | o | 7.75 | w | 1.70 | v | 1.28 | u | 0.90 | r | 6.10 | u | 4.00 | v | 7.20 | x | 3.10 | p | ----- | z |
1997 | 6.70 | w | 1.50 | t | 4.80 | v | 2.80 | k | 7.57 | p | 0.60 | r | 1.10 | v | 4.50 | w | 0.53 | t | 2.00 | w | 0.45 | q | 0.80 | u | ----- | z |
1998 | 5.80 | r | 0.70 | o | 2.00 | p | 1.11 | x | 0.52 | x | 0.85 | t | 0.50 | r | 0.70 | v | 1.00 | o | 0.35 | n | 0.70 | u | 0.70 | m | ----- | z |
1999 | 2.50 | v | 0.75 | v | 0.90 | p | 0.80 | w | 4.25 | l | 1.00 | u | 1.00 | w | 1.10 | f | 0.58 | v | 6.00 | w | 0.80 | t | ----- | z | ----- | z |
2000 | ----- | z | 0.20 | d | 0.40 | m | 5.40 | v | 0.26 | f | 0.65 | v | 2.00 | v | 0.22 | v | 0.57 | q | 2.87 | v | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.30 | 1.64 | 2.09 | 1.51 | 1.41 | 0.64 | 0.64 | 0.79 | 0.92 | 1.77 | 2.10 | 2.20 | 4.58 | |||||||||||||
S.D. | 2.28 | 1.73 | 2.36 | 1.51 | 1.55 | 0.65 | 0.39 | 0.73 | 0.85 | 1.66 | 1.98 | 1.90 | 1.92 | |||||||||||||
SKEW | 3.11 | 3.01 | 2.00 | 3.36 | 2.40 | 1.71 | 0.87 | 3.38 | 1.77 | 1.61 | 1.41 | 1.18 | 0.55 | |||||||||||||
MAX | 15.10 | 11.25 | 11.40 | 10.57 | 7.81 | 2.77 | 1.80 | 4.92 | 3.75 | 7.70 | 8.40 | 8.00 | 9.45 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.10 | 0.18 | 0.16 | 0.30 | 0.20 | 1.50 | |||||||||||||
YRS | 63 | 78 | 77 | 74 | 78 | 79 | 70 | 79 | 72 | 79 | 62 | 68 | 20 |