YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | 0.17 | 1.65 | 3.84 | 2.55 | ----- | z | 0.12 | 0.03 | 0.07 | 0.11 | 2.99 | 8.66 | 9.46 | 29.65 | a | |||||||||||
1921 | 9.86 | 2.00 | 1.70 | 0.56 | 0.55 | ----- | z | ----- | z | ----- | z | 0.08 | 0.82 | 1.96 | 6.46 | 23.99 | c | |||||||||
1922 | 0.87 | 7.77 | 2.86 | 0.32 | 0.35 | 0.27 | ----- | z | 0.00 | ----- | z | 2.71 | 5.44 | 9.35 | 29.94 | b | ||||||||||
1923 | 3.35 | 1.05 | 0.15 | 4.39 | 0.16 | 0.01 | ----- | z | ----- | z | 2.10 | 0.74 | 0.75 | 1.50 | 14.20 | b | ||||||||||
1924 | 4.34 | 3.45 | 0.58 | x | 0.14 | 0.55 | ----- | z | ----- | z | ----- | z | ----- | z | 5.00 | 1.67 | 8.10 | 23.25 | e | |||||||
1925 | 2.68 | 10.25 | 3.41 | 2.96 | 4.63 | ----- | z | ----- | z | 0.02 | 0.95 | ----- | z | 2.51 | 1.96 | 29.37 | c | |||||||||
1926 | 6.39 | 6.23 | 0.09 | 5.78 | 0.31 | ----- | z | ----- | z | ----- | z | 0.10 | 1.59 | 10.31 | 4.51 | 35.31 | c | |||||||||
1927 | 6.30 | 9.42 | 2.41 | 1.65 | 0.19 | 0.32 | 0.00 | 0.00 | 0.00 | 1.51 | 4.98 | 4.57 | 31.35 | |||||||||||||
1928 | 3.45 | 3.53 | 7.28 | 1.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.28 | 4.42 | 3.92 | 24.20 | e | |||||||
1929 | 1.92 | 2.19 | 1.32 | 1.29 | 0.00 | 1.28 | 0.00 | 0.00 | ----- | z | 0.00 | 0.00 | 10.91 | u | 8.00 | b | ||||||||||
1930 | 4.46 | t | 4.16 | 2.55 | 2.16 | 0.72 | 0.00 | 0.00 | ----- | z | 0.25 | 0.55 | 1.50 | 0.66 | 12.55 | b | ||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | 1.96 | 1.65 | 10.68 | 14.29 | g | |||||
1932 | 3.23 | 0.81 | 0.60 | 1.79 | 1.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.92 | 4.15 | 13.58 | |||||||||||||
1933 | 5.24 | 0.95 | 2.91 | 0.19 | 1.34 | 0.00 | 0.00 | 0.00 | 0.05 | 2.38 | 0.00 | 9.29 | 22.35 | |||||||||||||
1934 | 0.88 | 4.32 | 1.52 | 1.73 | 0.56 | 1.51 | ----- | z | 0.00 | 0.09 | 2.31 | 5.20 | 2.90 | 21.02 | a | |||||||||||
1935 | 8.40 | 3.29 | 3.81 | 3.93 | 0.00 | 0.00 | 0.00 | 0.12 | 0.11 | 1.49 | 2.27 | 3.40 | 26.82 | |||||||||||||
1936 | 8.29 | 9.76 | 1.41 | 1.58 | 0.83 | 2.03 | 0.09 | 0.00 | 0.00 | 0.29 | 0.02 | 2.61 | 26.91 | |||||||||||||
1937 | 3.96 | 9.34 | 5.41 | 1.46 | 0.00 | 1.44 | 0.12 | 0.00 | 0.00 | 1.67 | 8.32 | 8.70 | 40.42 | |||||||||||||
1938 | 5.08 | 11.19 | 7.31 | 1.89 | ----- | z | 0.00 | 0.00 | 0.00 | 1.41 | 2.73 | 1.74 | 2.19 | 33.54 | a | |||||||||||
1939 | 4.08 | 1.94 | 2.23 | 0.34 | 1.14 | 0.03 | 0.00 | ----- | z | 0.05 | 0.25 | 0.33 | 4.62 | 15.01 | a | |||||||||||
1940 | 9.21 | 11.81 | 5.26 | 1.15 | 1.85 | 0.18 | 0.00 | ----- | z | 0.55 | 2.28 | 1.68 | 12.67 | 46.64 | a | |||||||||||
1941 | 7.25 | j | 9.27 | 4.15 | 4.44 | 0.90 | 0.23 | 0.00 | 0.03 | 0.05 | 1.17 | 3.17 | 11.30 | 34.71 | a | |||||||||||
1942 | 5.69 | 6.94 | 2.54 | 5.41 | 2.02 | 0.00 | 0.00 | 0.00 | 0.05 | 1.09 | 5.10 | 7.78 | 36.62 | |||||||||||||
1943 | 9.48 | e | 1.82 | 2.43 | 3.06 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 1.02 | 0.58 | 2.80 | 21.24 | ||||||||||||
1944 | 5.78 | 3.73 | 3.44 | 2.75 | 0.86 | 0.52 | a | 0.00 | 0.00 | 0.00 | 2.05 | 5.40 | 4.38 | 28.91 | ||||||||||||
1945 | 2.57 | 4.38 | 4.82 | 0.76 | 1.30 | 0.00 | 0.00 | 0.00 | 0.00 | 5.19 | 5.23 | 10.66 | 34.91 | |||||||||||||
1946 | 2.45 | 2.70 | 1.37 | 0.39 | 0.10 | a | 0.00 | a | 0.44 | 0.00 | 0.10 | 0.65 | 4.13 | 3.70 | 16.03 | |||||||||||
1947 | 1.16 | 3.30 | 5.47 | 0.49 | 0.57 | 1.10 | 0.00 | 0.00 | 0.00 | 4.68 | 0.90 | 1.44 | 19.11 | |||||||||||||
1948 | 3.12 | 2.21 | 5.04 | 7.43 | 1.30 | 0.65 | 0.00 | 0.00 | 0.17 | 1.01 | 1.59 | 4.48 | 27.00 | |||||||||||||
1949 | 1.32 | 2.44 | 8.13 | 0.03 | 0.11 | 0.01 | 0.11 | 0.00 | 0.13 | 0.13 | 1.99 | 1.69 | 16.09 | |||||||||||||
1950 | 8.86 | 3.63 | 2.68 | 1.56 | 0.98 | 0.10 | 0.00 | 0.00 | 0.04 | 5.24 | 5.67 | 7.99 | 36.75 | |||||||||||||
1951 | 6.93 | a | 3.75 | 1.36 | 1.09 | 2.19 | 0.00 | 0.00 | 0.00 | 0.00 | 2.05 | 6.34 | 9.60 | 33.31 | ||||||||||||
1952 | 9.83 | 2.41 | 4.04 | 0.29 | 0.27 | 1.86 | 0.00 | 0.00 | 0.00 | 0.25 | 2.67 | 13.38 | 35.00 | |||||||||||||
1953 | 7.03 | 0.24 | 3.05 | 2.56 | a | 1.27 | 0.67 | 0.00 | 0.50 | 0.00 | 1.34 | 4.48 | 1.25 | 22.39 | ||||||||||||
1954 | 8.09 | 3.51 | 3.82 | 2.82 | 0.00 | 0.69 | 0.00 | 0.98 | 0.06 | 0.48 | 3.42 | i | 4.86 | 25.31 | a | |||||||||||
1955 | 3.01 | 1.91 | 0.80 | 3.21 | 0.00 | 0.10 | 0.00 | 0.00 | 0.34 | 0.46 | 4.18 | 14.67 | 28.68 | |||||||||||||
1956 | 11.86 | 5.22 | 0.18 | 1.66 | 0.47 | 0.11 | 0.04 | 0.00 | 0.29 | 2.77 | ----- | z | 0.36 | 22.96 | a | |||||||||||
1957 | 5.27 | 6.96 | 2.80 | 1.85 | 3.00 | 0.00 | ----- | z | 0.00 | 2.47 | 6.45 | 1.12 | 5.26 | 35.18 | a | |||||||||||
1958 | 7.68 | 14.85 | 6.15 | 4.46 | 0.88 | 0.98 | 0.28 | 0.00 | 0.01 | 0.23 | 1.05 | 1.41 | 37.98 | |||||||||||||
1959 | ----- | z | 5.95 | 0.97 | 0.92 | 0.03 | 0.00 | 0.00 | 0.00 | 1.22 | 0.01 | 0.01 | 2.04 | 11.15 | a | |||||||||||
1960 | 6.07 | 6.72 | 4.80 | 1.32 | 1.65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.62 | 4.60 | 5.81 | 31.59 | |||||||||||||
1961 | 3.65 | 3.21 | 3.65 | 1.23 | 0.49 | 0.00 | 0.00 | 0.00 | 0.04 | 0.31 | 3.94 | 3.78 | 20.30 | |||||||||||||
1962 | 1.08 | 7.98 | 4.54 | 0.41 | 0.10 | 0.00 | 0.00 | 0.10 | 0.31 | 7.71 | 1.71 | 4.26 | 28.20 | |||||||||||||
1963 | 5.88 | 3.18 | 5.16 | 5.56 | 0.81 | 0.00 | 0.00 | 0.03 | 0.00 | 2.98 | 6.18 | 1.09 | 30.87 | |||||||||||||
1964 | 4.46 | 0.13 | 2.54 | 0.40 | 0.53 | 0.41 | 0.08 | 0.00 | 0.03 | 2.08 | 7.36 | 14.29 | 32.31 | |||||||||||||
1965 | 7.90 | 1.37 | 0.99 | 4.01 | 0.00 | 0.00 | 0.05 | 0.48 | 0.00 | 0.06 | 9.54 | 4.10 | 28.50 | |||||||||||||
1966 | 6.39 | 4.29 | 1.23 | 0.93 | 0.16 | 0.08 | 0.00 | 0.29 | 0.11 | 0.01 | 6.59 | 5.51 | 25.59 | |||||||||||||
1967 | 10.79 | 0.35 | 6.21 | 3.96 | 0.21 | 2.04 | 0.00 | 0.03 | 0.03 | 1.36 | 2.95 | 4.14 | 32.07 | |||||||||||||
1968 | 9.74 | 4.89 | 3.05 | 0.67 | 0.46 | 0.00 | 0.00 | 1.63 | 0.06 | 1.23 | 3.76 | 10.17 | 35.66 | |||||||||||||
1969 | 11.04 | 9.12 | 0.95 | 1.99 | 0.10 | 0.36 | 0.00 | 0.00 | 0.00 | 2.74 | 1.14 | 11.10 | 38.54 | |||||||||||||
1970 | 17.46 | 3.43 | 2.29 | 0.36 | 0.07 | 0.35 | 0.00 | 0.00 | 0.00 | 1.50 | 8.01 | 9.55 | 43.02 | |||||||||||||
1971 | 5.96 | 0.30 | 5.66 | 1.34 | 0.82 | 0.00 | 0.00 | 0.13 | 0.26 | 0.42 | 3.19 | 6.57 | 24.65 | |||||||||||||
1972 | 2.35 | 3.08 | 1.10 | 1.83 | 0.65 | 0.02 | 0.00 | 0.02 | 1.00 | 2.69 | 5.89 | 5.20 | 23.83 | |||||||||||||
1973 | 13.04 | 6.77 | 3.18 | 0.07 | 0.30 | 0.00 | 0.00 | 0.05 | 0.72 | 1.93 | 12.61 | 5.83 | 44.50 | |||||||||||||
1974 | 7.74 | 3.64 | 7.57 | 1.82 | 0.07 | 0.00 | 0.66 | 0.28 | 0.00 | 1.53 | 1.15 | 3.90 | 28.36 | |||||||||||||
1975 | 2.30 | 9.25 | 9.62 | 2.88 | 0.03 | 0.02 | 0.17 | 0.33 | 0.00 | 2.79 | 1.19 | 0.70 | 29.28 | |||||||||||||
1976 | 0.24 | 1.89 | 1.26 | 2.91 | 0.00 | 0.04 | 0.00 | 0.60 | 0.21 | 0.50 | 1.91 | 0.40 | 9.96 | |||||||||||||
1977 | 2.40 | 2.46 | 2.23 | 0.18 | 1.57 | 0.00 | 0.05 | 0.05 | 1.41 | 0.93 | 3.92 | 8.39 | 23.59 | |||||||||||||
1978 | 13.32 | 6.88 | 5.49 | 4.36 | 0.17 | 0.06 | 0.00 | 0.00 | 1.57 | 0.00 | 1.09 | 0.42 | 33.36 | |||||||||||||
1979 | 8.69 | 7.40 | 2.69 | 2.14 | 0.71 | 0.00 | 0.07 | 0.00 | 0.09 | 3.89 | 8.01 | 8.51 | 42.20 | |||||||||||||
1980 | 7.77 | 9.57 | 1.67 | 1.35 | 0.33 | 0.35 | 0.08 | 0.00 | 0.03 | 0.89 | 0.51 | 5.12 | 27.67 | |||||||||||||
1981 | 7.84 | 2.85 | 3.30 | 0.93 | 1.27 | 0.00 | 0.08 | 0.00 | 0.66 | 3.52 | 10.87 | 9.07 | 40.39 | |||||||||||||
1982 | 5.66 | a | 3.91 | 6.94 | 4.44 | 0.04 | 0.06 | 0.00 | 0.00 | 1.12 | 3.76 | a | 6.03 | 6.70 | 38.66 | |||||||||||
1983 | ----- | z | ----- | z | ----- | z | 4.75 | e | 0.40 | 0.00 | 0.00 | 0.00 | 1.07 | 0.97 | 14.09 | 13.84 | 35.12 | c | ||||||||
1984 | 0.66 | 4.11 | 1.81 | 1.44 | ----- | z | 0.28 | 0.00 | ----- | z | 0.26 | 2.37 | 10.54 | 2.35 | 23.82 | b | ||||||||||
1985 | 0.67 | ----- | z | 5.12 | a | 0.09 | ----- | z | 0.00 | 0.00 | ----- | z | 1.18 | ----- | z | 2.47 | 3.40 | 12.93 | d | |||||||
1986 | ----- | z | 19.63 | 6.38 | 0.60 | ----- | z | 0.00 | 0.00 | 0.00 | 0.87 | 0.00 | 0.05 | 2.76 | 30.29 | b | ||||||||||
1987 | 4.95 | 3.98 | 5.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | ----- | z | 4.69 | ----- | z | 18.90 | b | |||||||||
1988 | ----- | z | 0.66 | 0.12 | 1.66 | ----- | z | 0.29 | ----- | z | 0.00 | ----- | z | ----- | z | 5.41 | d | 2.25 | f | 8.14 | f | |||||
1989 | 1.33 | e | 0.84 | a | 8.99 | d | 1.39 | c | 0.34 | b | 0.59 | a | 0.00 | 0.00 | 2.02 | b | ----- | z | 0.76 | d | 0.00 | 16.26 | a | |||
1990 | 5.93 | d | 3.37 | c | 1.58 | b | 0.28 | a | 2.10 | c | 0.03 | 0.00 | 0.00 | 0.98 | a | 1.35 | 0.30 | c | 1.43 | b | 17.35 | |||||
1991 | 0.69 | a | 2.39 | a | 12.74 | d | 0.10 | a | 0.66 | b | 0.23 | b | 0.24 | 0.00 | 0.01 | 1.49 | a | 1.49 | 3.22 | a | 23.26 | |||||
1992 | 2.77 | a | 8.39 | f | 3.37 | e | 0.80 | a | 0.25 | 0.71 | a | 0.03 | 0.00 | 0.00 | 2.91 | b | 1.01 | a | 11.81 | d | 23.66 | a | ||||
1993 | 11.79 | f | 9.10 | b | 2.39 | b | 1.52 | c | 1.85 | e | 1.22 | a | 0.00 | 0.00 | 0.00 | 0.45 | b | 2.58 | c | 3.66 | h | 19.11 | b | |||
1994 | 3.68 | d | 5.49 | d | 0.35 | a | 2.11 | b | 1.01 | a | 0.16 | a | 0.00 | 0.00 | 0.15 | 0.57 | 6.07 | e | 4.46 | f | 19.59 | a | ||||
1995 | 22.60 | e | 0.20 | a | 15.08 | b | 2.32 | g | 2.93 | a | 0.36 | a | 0.13 | 0.00 | 0.00 | 0.00 | 0.03 | c | 8.07 | c | 49.40 | a | ||||
1996 | 11.35 | h | 9.52 | d | 3.35 | b | 2.71 | a | 1.89 | a | 0.96 | 0.00 | 0.00 | ----- | z | 0.95 | r | 3.30 | b | 10.57 | e | 32.30 | c | |||
1997 | 14.29 | c | 0.86 | d | ----- | z | 0.36 | a | 0.76 | a | 0.51 | 0.00 | 0.79 | 0.47 | a | 1.32 | 8.22 | a | 3.57 | a | 31.15 | a | ||||
1998 | 14.80 | d | 18.31 | 4.45 | b | 3.06 | b | 3.73 | f | 0.32 | 0.00 | 0.00 | 0.00 | 1.11 | 6.00 | e | 1.71 | c | 49.76 | a | ||||||
1999 | 2.85 | d | 9.56 | g | 5.41 | f | 1.53 | e | 0.60 | b | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 4.31 | f | 0.96 | 5.94 | d | |||||
2000 | 6.95 | j | 10.85 | h | 2.30 | b | 2.03 | b | 1.66 | d | 0.32 | 0.00 | 0.00 | 0.22 | c | 1.88 | e | 1.20 | 1.21 | 10.82 | b | |||||
2001 | 4.70 | h | 7.98 | g | 2.23 | d | 0.47 | b | 0.00 | 0.34 | 0.00 | p | 0.00 | c | 0.32 | c | 1.32 | d | 8.73 | c | 11.83 | b | 25.24 | c | ||
2002 | 4.25 | f | 1.89 | d | 2.67 | d | 0.00 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.56 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 5.98 | 4.91 | 3.64 | 1.90 | 0.76 | 0.32 | 0.04 | 0.09 | 0.34 | 1.69 | 3.90 | 5.61 | 29.09 | |||||||||||||
S.D. | 4.36 | 4.01 | 2.75 | 1.60 | 0.85 | 0.50 | 0.10 | 0.26 | 0.56 | 1.58 | 3.26 | 3.94 | 8.22 | |||||||||||||
SKEW | 1.19 | 1.44 | 1.59 | 1.12 | 1.94 | 1.97 | 4.08 | 3.94 | 1.98 | 1.50 | 0.95 | 0.56 | -0.19 | |||||||||||||
MAX | 22.60 | 19.63 | 15.08 | 7.43 | 4.63 | 2.04 | 0.66 | 1.63 | 2.47 | 7.71 | 14.09 | 14.67 | 44.50 | |||||||||||||
MIN | 0.17 | 0.13 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.96 | |||||||||||||
YRS | 71 | 76 | 78 | 80 | 73 | 76 | 71 | 71 | 76 | 75 | 79 | 77 | 45 |