YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1923 | 3.09 | 0.63 | 0.36 | 1.42 | 0.46 | 0.35 | 1.92 | 0.25 | 0.68 | 1.45 | 0.37 | 1.25 | 12.23 | |||||||||||||
1924 | 0.44 | 1.32 | 0.48 | 0.09 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.33 | g | |||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | 0.10 | 1.28 | 0.22 | 0.90 | 0.81 | 3.35 | f | ||||||
1926 | 1.06 | 1.67 | 0.28 | 1.64 | 0.88 | 0.41 | 0.00 | 0.74 | 0.29 | 0.81 | 4.13 | o | 1.01 | 8.79 | a | |||||||||||
1927 | 1.86 | 1.53 | 1.11 | 0.14 | 0.62 | 1.33 | 0.03 | 0.16 | 2.01 | 1.33 | 2.31 | 0.52 | 12.95 | |||||||||||||
1928 | 2.02 | 0.35 | 1.06 | 0.53 | 0.17 | 0.67 | 0.13 | 0.00 | 0.60 | 0.33 | 1.34 | 1.18 | 8.38 | |||||||||||||
1929 | 1.18 | 0.66 | 0.29 | 0.68 | 1.00 | 0.68 | 0.00 | 0.00 | 0.14 | 0.42 | 0.16 | 2.89 | 8.10 | |||||||||||||
1930 | 1.03 | 0.68 | 0.86 | 0.59 | 0.64 | 0.11 | 0.00 | 0.15 | 0.70 | 0.23 | 1.11 | 0.67 | 6.77 | |||||||||||||
1931 | 0.76 | 0.49 | 2.42 | 0.49 | 2.41 | 1.25 | 0.00 | 0.00 | 0.33 | 0.54 | 1.87 | 2.00 | 12.56 | |||||||||||||
1932 | 1.19 | 1.15 | 1.49 | 0.79 | 2.21 | 0.23 | 0.01 | 0.09 | 0.02 | 0.96 | 1.18 | 0.42 | 9.74 | |||||||||||||
1933 | 0.62 | 0.74 | 1.07 | 0.07 | 1.76 | 0.61 | 0.03 | 0.24 | 1.14 | 1.15 | 1.03 | 1.39 | 9.85 | |||||||||||||
1934 | 1.13 | 0.38 | 1.12 | 0.89 | 0.20 | 0.20 | 0.01 | 1.07 | 0.35 | 0.81 | 1.30 | 1.29 | 8.75 | |||||||||||||
1935 | 0.52 | 1.09 | 0.38 | 0.81 | 0.59 | 0.71 | 0.19 | 0.02 | 0.48 | 0.87 | 0.45 | 1.32 | 7.43 | |||||||||||||
1936 | 2.67 | 1.03 | 0.37 | 0.98 | 0.77 | 1.85 | 0.00 | 0.00 | 0.57 | 0.03 | 0.04 | 1.25 | 9.56 | |||||||||||||
1937 | 0.93 | 0.69 | 1.88 | 1.43 | 0.27 | 2.67 | 0.23 | 0.30 | 0.39 | 1.15 | 2.58 | 2.03 | 14.55 | |||||||||||||
1938 | 0.90 | 1.96 | 1.33 | 0.91 | 0.23 | 1.63 | 0.25 | 0.11 | 0.26 | 1.35 | 0.64 | 0.76 | 10.33 | |||||||||||||
1939 | 0.21 | 0.57 | a | 0.76 | a | 0.13 | 0.17 | 0.52 | 0.25 | 0.00 | 0.51 | 0.14 | 0.02 | 1.35 | 4.63 | |||||||||||
1940 | 1.33 | 2.36 | 1.38 | 2.01 | 0.46 | 0.10 | 0.43 | 0.00 | 1.64 | 1.57 | 1.45 | 0.89 | 13.62 | |||||||||||||
1941 | 1.48 | 0.67 | 0.38 | 1.11 | 1.91 | 1.24 | 0.28 | 1.36 | 1.16 | 0.89 | 1.86 | 1.43 | 13.77 | |||||||||||||
1942 | 1.29 | 1.32 | 0.24 | 0.78 | 2.11 | 0.90 | 0.15 | 0.02 | 0.00 | 0.27 | 3.84 | 2.31 | 13.23 | |||||||||||||
1943 | 1.85 | 0.78 | 0.86 | 1.75 | 0.44 | 1.91 | 0.11 | 0.74 | 0.00 | 1.87 | 0.48 | 0.61 | 11.40 | |||||||||||||
1944 | 0.38 | 1.01 | 0.29 | 0.98 | 0.28 | 1.77 | 0.00 | 0.00 | 0.40 | 0.50 | 1.16 | 0.67 | 7.44 | |||||||||||||
1945 | 1.13 | 1.57 | 1.01 | 0.54 | 3.00 | 0.00 | 0.00 | 0.17 | 0.67 | 0.58 | 1.46 | 2.45 | 12.58 | |||||||||||||
1946 | 1.13 | 0.30 | 1.53 | 0.27 | 0.79 | 1.15 | 0.24 | 0.19 | 0.73 | 1.22 | 0.96 | 0.35 | 8.86 | |||||||||||||
1947 | 1.03 | a | 0.51 | 0.76 | 1.48 | 0.38 | 1.42 | 1.14 | 0.02 | 1.53 | 2.82 | 1.62 | 0.30 | 13.01 | ||||||||||||
1948 | 1.36 | 1.39 | 1.00 | 1.09 | 2.73 | 2.28 | 1.05 | 0.48 | a | 1.24 | 0.20 | 1.50 | 2.12 | 16.44 | ||||||||||||
1949 | 0.26 | 1.06 | 1.34 | 0.08 | h | 0.68 | 0.04 | 0.00 | 0.00 | 0.20 | 0.32 | 2.11 | 0.65 | a | 6.66 | a | ||||||||||
1950 | 3.00 | 0.54 | 1.01 | 0.78 | 0.29 | 2.07 | 0.01 | 0.13 | 0.14 | 3.08 | 1.02 | a | 1.89 | 13.96 | ||||||||||||
1951 | 1.11 | 2.07 | a | 0.47 | 0.69 | 1.18 | 0.00 | 0.61 | 0.00 | 0.34 | 1.31 | 1.41 | 0.89 | 10.08 | ||||||||||||
1952 | 0.63 | 0.92 | 0.15 | 0.13 | 0.63 | 2.83 | 0.00 | 0.00 | 0.35 | 0.13 | 0.22 | 1.87 | 7.86 | |||||||||||||
1953 | 3.12 | 1.28 | 0.66 | 1.22 | 1.43 | 0.97 | 0.00 | 0.96 | 0.03 | 0.14 | 2.55 | 1.84 | 14.20 | |||||||||||||
1954 | 2.07 | 0.54 | 0.58 | 0.20 | 0.93 | 0.78 | 0.05 | 0.63 | 1.05 | 0.80 | 0.79 | a | 0.71 | 9.13 | ||||||||||||
1955 | 0.50 | 0.31 | 0.70 | 1.21 | 0.94 | 0.52 | 0.81 | 0.00 | 0.67 | 0.78 | 1.69 | 2.64 | 10.77 | |||||||||||||
1956 | 2.71 | a | 1.52 | 0.51 | 0.07 | 1.78 | 1.35 | 0.65 | 0.16 | 0.32 | 1.16 | 0.27 | 0.44 | 10.94 | ||||||||||||
1957 | 0.71 | 0.83 | 3.09 | 0.80 | 2.80 | 0.30 | 0.48 | 0.23 | 1.03 | 1.58 | 0.73 | 2.92 | 15.50 | |||||||||||||
1958 | 1.47 | 2.70 | 1.18 | 1.39 | 0.95 | 1.77 | 0.25 | 0.02 | 0.35 | 0.27 | 2.33 | 1.21 | 13.89 | |||||||||||||
1959 | 2.35 | 0.87 | 1.41 | 0.17 | 0.88 | 0.49 | 0.04 | 0.01 | 0.75 | 0.42 | 0.28 | 0.49 | 8.16 | |||||||||||||
1960 | 1.17 | 0.88 | 1.78 | 0.73 | 1.43 | 0.15 | 0.00 | 0.39 | 0.14 | 0.44 | 1.76 | 0.81 | 9.68 | |||||||||||||
1961 | 1.23 | 3.19 | 1.66 | 0.70 | 1.41 | 1.11 | 0.58 | 0.24 | 0.02 | 0.72 | 1.82 | 1.33 | 14.01 | |||||||||||||
1962 | 0.62 | 1.40 | 1.17 | 0.68 | 2.56 | 0.38 | 0.00 | 1.05 | 0.45 | 2.19 | 1.43 | 1.65 | 13.58 | |||||||||||||
1963 | 0.57 | 1.44 | 0.86 | 2.97 | 1.01 | 0.32 | 0.38 | 0.77 | 1.89 | 0.66 | 2.11 | 0.98 | 13.96 | |||||||||||||
1964 | 0.50 | 0.21 | 0.25 | 0.16 | 0.08 | 0.96 | 0.12 | 0.17 | 0.14 | 0.60 | 1.78 | 6.21 | 11.18 | |||||||||||||
1965 | 1.76 | 0.10 | 0.53 | 1.33 | 0.19 | 0.98 | 0.88 | 1.41 | 0.11 | 0.58 | 2.00 | 0.45 | 10.32 | |||||||||||||
1966 | 1.82 | 0.55 | 0.71 | 0.01 | 0.15 | 0.20 | 1.22 | 0.00 | 0.92 | 0.48 | 3.10 | 2.79 | 11.95 | |||||||||||||
1967 | 1.28 | 0.04 | 0.54 | 1.18 | 0.28 | 0.27 | 0.00 | 0.00 | 0.33 | 0.80 | 0.74 | 0.60 | 6.06 | |||||||||||||
1968 | 0.86 | 1.20 | 0.13 | 0.06 | 1.24 | 0.12 | 0.16 | 1.38 | 0.54 | 0.92 | 2.36 | 2.04 | 11.01 | |||||||||||||
1969 | 2.32 | 0.64 | 0.67 | 0.56 | 1.41 | 1.55 | 0.01 | 0.00 | 0.81 | 0.70 | 0.30 | 1.96 | 10.93 | |||||||||||||
1970 | 3.89 | 0.91 | 0.76 | 0.51 | 0.50 | 0.65 | 0.26 | 0.00 | 0.28 | 0.30 | 2.54 | 1.04 | 11.64 | |||||||||||||
1971 | 1.65 | 0.47 | 1.05 | 0.67 | 0.80 | 0.73 | 0.18 | 0.68 | 0.93 | 0.57 | 1.28 | a | 0.88 | 9.89 | ||||||||||||
1972 | 1.74 | 0.50 | 1.94 | 0.40 | 0.48 | 1.72 | 0.02 | 0.57 | 0.55 | 0.60 | 0.82 | 1.81 | 11.15 | |||||||||||||
1973 | 0.77 | 0.61 | 0.46 | 0.54 | 0.26 | 0.11 | i | 0.00 | 0.07 | 1.23 | 0.89 | 3.42 | 3.67 | 11.92 | a | |||||||||||
1974 | 0.64 | 0.93 | 1.75 | 1.03 | 0.78 | 0.05 | o | 0.43 | 0.00 | 0.00 | 0.32 | 1.00 | 1.38 | 8.26 | a | |||||||||||
1975 | 2.53 | 1.15 | 2.18 | 1.54 | 0.10 | 0.76 | 0.34 | 1.33 | 0.00 | 1.18 | 1.43 | 1.03 | 13.57 | |||||||||||||
1976 | 1.37 | 1.31 | 0.53 | e | 1.76 | 0.35 | 0.00 | n | 0.79 | d | 2.60 | 0.12 | 0.22 | 0.88 | 0.08 | 10.01 | a | |||||||||
1977 | 0.50 | b | 0.42 | 0.22 | 0.07 | 2.15 | a | 0.32 | 0.00 | 0.69 | 1.12 | 0.36 | 2.20 | 2.51 | 10.56 | |||||||||||
1978 | 2.61 | d | 1.17 | 0.68 | 2.53 | 0.68 | 0.44 | 2.90 | m | 1.69 | 0.21 | 0.03 | 0.77 | 0.67 | 11.48 | a | ||||||||||
1979 | 0.90 | 1.49 | 1.10 | a | 1.80 | 0.27 | 0.29 | 0.07 | 0.96 | h | 0.22 | 2.28 | 2.22 | a | 1.33 | 11.97 | a | |||||||||
1980 | 1.58 | 2.18 | 0.45 | 0.77 | 1.54 | 1.39 | 0.21 | 0.00 | 0.52 | 0.69 | 2.26 | 2.18 | b | 13.77 | ||||||||||||
1981 | 1.48 | 1.03 | 0.93 | 0.41 | 1.64 | 1.13 | l | 0.34 | 0.00 | 1.21 | 0.76 | 2.00 | d | 4.31 | c | 14.11 | a | |||||||||
1982 | 0.78 | a | 0.71 | c | 0.89 | t | 1.39 | 0.63 | a | 1.93 | m | 0.42 | 0.35 | 1.41 | 2.63 | 0.72 | 0.96 | a | 10.00 | b | ||||||
1983 | 0.95 | 2.68 | b | 2.42 | d | 1.21 | 1.83 | 0.56 | l | 1.16 | 0.62 | 0.61 | 0.44 | 2.39 | 3.52 | 17.83 | a | |||||||||
1984 | 0.26 | 1.04 | b | 1.77 | f | 1.05 | 1.02 | 1.94 | a | 0.00 | 0.00 | 0.64 | f | 1.11 | 2.59 | e | 0.59 | e | 9.60 | b | ||||||
1985 | 0.42 | 0.83 | f | 0.46 | 0.38 | a | 1.39 | a | 0.55 | a | 0.12 | 0.31 | 1.33 | 0.91 | a | 0.85 | b | 1.04 | k | 6.72 | b | |||||
1986 | 1.49 | e | 3.10 | d | 0.79 | a | 0.43 | 0.41 | a | 0.26 | 0.70 | a | 0.03 | 1.82 | 0.63 | 1.65 | a | 0.87 | 12.18 | |||||||
1987 | 0.46 | b | 1.26 | a | 1.84 | 0.43 | 0.73 | b | 0.45 | a | 2.15 | a | 0.15 | 0.06 | 0.00 | 0.74 | 2.42 | 10.69 | ||||||||
1988 | 1.98 | 0.18 | 0.95 | 2.37 | 0.76 | 1.00 | 0.00 | 0.00 | 0.47 | 0.00 | 2.74 | 0.37 | 10.82 | |||||||||||||
1989 | 1.02 | 0.98 | a | 2.12 | 1.18 | 1.08 | 0.21 | b | 0.13 | b | 1.09 | 0.16 | 0.64 | 0.75 | 0.50 | 9.86 | ||||||||||
1990 | 1.54 | 0.25 | 0.64 | 0.83 | 1.81 | 0.99 | 0.17 | 1.19 | 0.14 | 1.25 | 0.74 | a | 0.55 | 10.10 | ||||||||||||
1991 | 1.04 | 0.53 | 1.39 | 0.69 | 1.45 | 1.41 | 0.60 | a | 0.28 | 0.00 | 1.10 | 2.00 | 0.70 | 11.19 | ||||||||||||
1992 | 0.74 | 1.12 | 0.84 | 2.43 | 0.23 | 0.34 | 1.40 | 0.06 | 0.66 | 1.38 | 1.79 | 1.96 | 12.95 | |||||||||||||
1993 | 1.95 | 1.49 | 1.78 | 1.05 | 2.50 | 1.61 | 0.86 | 0.38 | 0.00 | 0.17 | 0.40 | 0.62 | 12.81 | |||||||||||||
1994 | 1.04 | 1.26 | a | 0.79 | a | 0.61 | 1.20 | 0.99 | 0.12 | b | 0.00 | a | 0.18 | 1.59 | 2.10 | 1.03 | a | 10.91 | ||||||||
1995 | 3.85 | 1.90 | 1.04 | 2.16 | 1.53 | 1.84 | 0.78 | 0.03 | 0.93 | 0.80 | 2.42 | 2.05 | 19.33 | |||||||||||||
1996 | 1.78 | a | 2.21 | 1.70 | 1.81 | 1.92 | 1.51 | 0.22 | 0.03 | 0.94 | 1.22 | 3.53 | 3.92 | a | 20.79 | |||||||||||
1997 | 1.41 | 1.14 | 1.56 | 1.11 | 0.82 | 1.56 | 0.28 | 0.19 | 0.99 | 1.98 | 0.71 | 0.52 | 12.27 | |||||||||||||
1998 | 3.26 | 1.16 | 0.95 | 1.27 | 4.63 | 0.40 | 0.10 | 0.15 | 0.14 | 0.33 | 2.98 | 1.95 | 17.32 | |||||||||||||
1999 | 1.13 | a | 1.36 | 0.59 | 0.30 | a | 0.57 | a | 0.12 | 0.23 | 0.57 | 0.00 | 1.01 | 1.48 | 0.37 | 7.73 | ||||||||||
2000 | 2.00 | 2.40 | 1.43 | 0.37 | 0.68 | 0.46 | 0.07 | 0.00 | 0.23 | 1.55 | 0.95 | 0.41 | 10.55 | |||||||||||||
2001 | 0.69 | 0.60 | 0.80 | 0.97 | 0.16 | 0.86 | 0.19 | 0.27 | 0.36 | 1.03 | 1.81 | b | 1.43 | 9.17 | ||||||||||||
2002 | 0.56 | 0.64 | 0.28 | 0.84 | 1.20 | 1.12 | 0.06 | 0.03 | 0.12 | 0.39 | 0.62 | 2.31 | 8.17 | |||||||||||||
2003 | 2.71 | 1.54 | 1.01 | 1.55 | 0.42 | 0.10 | 0.00 | 1.67 | 0.39 | 0.70 | 1.07 | 2.64 | c | 13.80 | ||||||||||||
2004 | 1.42 | b | 1.53 | 0.36 | 1.40 | o | ----- | z | 0.78 | 0.13 | a | 1.21 | 0.57 | 1.89 | a | ----- | z | ----- | z | 7.89 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.39 | 1.10 | 0.99 | 0.93 | 1.04 | 0.89 | 0.32 | 0.38 | 0.57 | 0.87 | 1.47 | 1.47 | 11.41 | |||||||||||||
S.D. | 0.84 | 0.68 | 0.61 | 0.64 | 0.84 | 0.67 | 0.44 | 0.52 | 0.50 | 0.65 | 0.87 | 1.07 | 2.93 | |||||||||||||
SKEW | 1.01 | 1.02 | 0.98 | 0.87 | 1.45 | 0.76 | 2.11 | 1.82 | 0.98 | 1.21 | 0.48 | 1.64 | 0.56 | |||||||||||||
MAX | 3.89 | 3.19 | 3.09 | 2.97 | 4.63 | 2.83 | 2.15 | 2.60 | 2.01 | 3.08 | 3.84 | 6.21 | 20.79 | |||||||||||||
MIN | 0.21 | 0.04 | 0.13 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.08 | 4.63 | |||||||||||||
YRS | 81 | 80 | 79 | 79 | 80 | 74 | 80 | 80 | 80 | 81 | 79 | 79 | 67 |