YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | 0.54 | 0.26 | 0.22 | 0.89 | 0.06 | 0.23 | 0.61 | 1.36 | 0.26 | 0.00 | 1.38 | ----- | z | 5.81 | a | |||||||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.37 | w | 2.66 | 2.57 | 1.10 | 0.35 | ----- | z | 6.68 | h | ||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | ----- | z | ----- | z | ----- | z | 0.04 | k | |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.03 | 0.00 | 3.04 | 5.50 | ----- | z | 1.85 | a | 13.42 | g | ||||
1945 | 3.75 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.75 | k |
1946 | 0.00 | 0.00 | 0.00 | ----- | z | 0.37 | 0.25 | 0.88 | 3.34 | ----- | z | ----- | z | 0.24 | 0.00 | 5.08 | c | |||||||||
1947 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.50 | t | 0.00 | i | |||
1948 | 0.60 | 1.23 | a | 0.66 | 0.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.26 | 3.07 | g | ||||
1949 | 0.70 | c | 0.89 | 0.29 | 1.70 | 0.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 3.58 | g | ||||
1950 | 0.00 | 0.64 | 0.00 | 0.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | 0.00 | 1.39 | f | ||||||
1951 | 0.65 | 0.28 | 0.10 | 0.75 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.78 | h | ||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 0.30 | k | |
1953 | 0.12 | 0.38 | 0.43 | 0.00 | ----- | z | 0.31 | 1.73 | 0.79 | 0.00 | 1.01 | 0.47 | 0.28 | 5.52 | a | |||||||||||
1954 | 0.11 | 0.00 | 1.03 | 0.04 | 0.72 | 0.40 | 1.22 | 2.30 | 1.77 | 0.20 | 0.15 | 0.26 | 8.20 | |||||||||||||
1955 | 0.30 | 0.21 | 0.00 | 0.19 | 0.79 | 0.23 | 1.83 | 3.44 | 0.47 | 0.05 | 0.00 | 0.55 | 8.06 | |||||||||||||
1956 | 0.74 | 0.22 | 0.00 | 0.00 | 0.03 | 0.48 | 1.08 | 1.03 | 0.00 | 0.20 | 0.07 | 0.00 | 3.85 | |||||||||||||
1957 | 0.36 | 0.42 | 0.74 | 0.64 | 1.77 | 0.76 | 1.57 | 3.18 | 0.00 | 1.97 | 0.68 | 0.24 | 12.33 | |||||||||||||
1958 | 0.29 | 0.36 | 1.18 | 0.69 | 0.47 | 0.00 | 0.90 | 1.92 | 0.81 | 0.48 | 0.37 | 0.22 | 7.69 | |||||||||||||
1959 | 0.10 | 0.08 | 0.06 | 0.77 | 0.06 | 0.20 | 1.01 | 2.50 | 0.24 | 1.86 | 0.22 | 1.30 | 8.40 | |||||||||||||
1960 | 0.47 | 0.60 | 0.39 | 0.11 | 0.34 | 0.46 | 1.25 | 0.91 | 0.33 | 2.44 | 0.10 | 0.82 | 8.22 | |||||||||||||
1961 | 0.56 | 0.11 | 0.77 | 0.28 | 0.15 | 0.00 | 1.22 | 2.06 | 1.50 | 1.74 | 0.35 | 0.29 | 9.03 | |||||||||||||
1962 | 0.26 | 0.13 | 0.44 | 0.23 | 0.21 | 0.01 | 0.47 | 0.89 | 1.30 | 0.38 | 0.79 | 0.25 | 5.36 | |||||||||||||
1963 | 0.16 | 0.44 | 0.07 | 0.08 | 0.04 | 0.11 | 1.02 | 2.12 | 1.99 | 0.64 | 0.74 | 0.00 | 7.41 | |||||||||||||
1964 | 0.15 | 0.78 | 0.69 | 0.60 | 0.40 | 0.05 | 1.38 | 2.15 | 0.97 | 0.00 | 0.62 | 0.44 | 8.23 | |||||||||||||
1965 | 0.25 | 0.43 | 0.06 | 0.40 | 0.64 | 2.67 | 2.82 | 1.45 | 1.68 | 0.74 | 0.62 | 1.09 | 12.85 | |||||||||||||
1966 | 1.08 | 0.17 | 0.00 | 0.04 | 0.41 | 0.20 | 1.89 | 1.63 | 0.97 | 0.07 | 0.09 | 1.09 | 7.64 | |||||||||||||
1967 | 0.09 | 0.05 | 0.02 | 0.00 | 0.22 | 0.62 | 1.87 | 2.27 | 1.33 | 0.00 | 0.00 | 0.42 | 6.89 | |||||||||||||
1968 | 0.00 | 0.92 | 1.01 | 0.31 | 0.19 | 0.29 | 2.24 | 3.77 | 0.05 | 0.59 | 0.84 | 0.45 | 10.66 | |||||||||||||
1969 | 0.43 | 0.36 | 0.34 | 0.65 | 1.10 | 1.07 | 0.92 | 2.20 | 1.14 | 2.51 | 0.27 | 0.40 | 11.39 | |||||||||||||
1970 | 0.19 | 0.03 | 0.91 | 0.23 | 0.34 | 0.75 | 1.30 | 1.82 | 1.19 | 0.78 | 0.55 | 0.12 | 8.21 | |||||||||||||
1971 | 0.21 | 0.28 | 0.15 | 0.32 | 0.00 | 0.10 | 1.10 | 1.25 | 2.64 | 0.65 | 0.49 | 0.55 | 7.74 | |||||||||||||
1972 | 0.03 | 0.04 | 0.00 | 0.00 | 0.00 | 1.45 | 0.82 | 1.36 | 1.08 | 2.81 | 0.34 | 0.70 | 8.63 | |||||||||||||
1973 | 0.33 | 0.16 | 1.01 | 0.17 | 1.62 | 0.28 | 1.93 | 1.45 | ----- | z | 0.08 | 0.23 | 0.05 | 7.31 | a | |||||||||||
1974 | 0.40 | 0.20 | 0.10 | 0.00 | 0.00 | 0.03 | 0.88 | 2.13 | 0.46 | 2.57 | 0.28 | 0.30 | 7.35 | |||||||||||||
1975 | 0.33 | b | 0.35 | 0.36 | 0.14 | 0.00 | 0.00 | 2.21 | 1.94 | 3.09 | 0.06 | 0.31 | 0.05 | 8.84 | ||||||||||||
1976 | 0.19 | 0.49 | 0.05 | 0.24 | 0.68 | 0.13 | 0.39 | 1.29 | 0.90 | 0.25 | 0.42 | 0.08 | 5.11 | |||||||||||||
1977 | 0.48 | 0.41 | 0.00 | 0.00 | 0.39 | 0.30 | 1.00 | 1.52 | 0.57 | 1.09 | 0.72 | 0.35 | 6.83 | |||||||||||||
1978 | 0.44 | 0.45 | 0.57 | 0.29 | 2.12 | 0.29 | 1.43 | 0.38 | 1.27 | 0.50 | 1.37 | 0.57 | 9.68 | |||||||||||||
1979 | 1.22 | 0.15 | 0.26 | 0.38 | 1.94 | 0.73 | 1.18 | 1.21 | 0.13 | 0.62 | 1.34 | 0.37 | 9.53 | |||||||||||||
1980 | 0.73 | 0.82 | 0.20 | 0.31 | 0.64 | 0.11 | 1.36 | 1.17 | 0.72 | 0.26 | 0.02 | 0.09 | 6.43 | |||||||||||||
1981 | 0.11 | 0.27 | 1.84 | 0.48 | 0.43 | 0.44 | 2.18 | 2.02 | 1.13 | 0.97 | 0.33 | 0.00 | 10.20 | |||||||||||||
1982 | 0.40 | a | 0.63 | 1.03 | 0.07 | 0.45 | b | 0.00 | 0.86 | a | 3.61 | 1.10 | 0.16 | 1.21 | a | 0.85 | 10.37 | |||||||||
1983 | 0.80 | 0.33 | 0.85 | 0.47 | 0.57 | 1.78 | a | 0.47 | 2.46 | 1.99 | 1.09 | a | 0.50 | 1.45 | 12.76 | |||||||||||
1984 | 0.07 | 0.02 | 0.85 | 1.74 | 0.76 | 1.69 | 0.62 | 0.99 | 0.94 | 1.92 | 0.35 | 0.47 | 10.42 | |||||||||||||
1985 | 0.61 | 0.15 | 1.02 | 2.34 | 0.38 | 0.17 | 1.76 | 1.30 | 2.20 | 1.15 | 0.27 | 0.48 | 11.83 | |||||||||||||
1986 | 0.03 | 0.33 | 0.50 | 1.13 | 0.61 | 0.71 | 2.78 | 1.16 | 1.65 | 1.35 | 2.03 | 0.52 | 12.80 | |||||||||||||
1987 | 0.47 | 0.67 | 0.02 | 0.00 | 0.96 | 0.48 | 1.71 | 0.85 | a | 0.17 | 0.79 | 1.30 | 0.65 | 8.07 | ||||||||||||
1988 | 0.61 | 0.30 | 0.13 | 0.98 | a | 0.67 | 1.36 | c | 0.41 | e | 4.44 | a | 1.06 | a | 0.30 | a | 0.63 | 0.07 | 10.96 | |||||||
1989 | 0.91 | 0.54 | a | 0.08 | 0.00 | a | 0.33 | 0.10 | 2.90 | b | 0.93 | 0.26 | c | 0.93 | 0.03 | 0.06 | 7.07 | |||||||||
1990 | 0.47 | 0.47 | 1.53 | 2.16 | 0.57 | 0.14 | a | 2.22 | c | 1.74 | b | 1.43 | b | 0.98 | a | 0.77 | 1.51 | a | 13.99 | |||||||
1991 | 0.83 | 0.20 | 0.22 | 0.25 | 0.10 | 3.27 | 1.59 | 1.20 | 1.87 | 0.47 | 2.25 | 1.09 | 13.34 | |||||||||||||
1992 | 0.37 | 0.31 | 0.56 | 0.69 | 2.16 | 0.33 | 0.53 | 3.93 | 0.57 | 1.06 | 0.41 | 2.70 | a | 13.62 | ||||||||||||
1993 | 2.15 | b | 1.42 | c | 0.27 | 0.00 | 0.34 | 0.00 | 0.00 | 2.34 | 0.98 | 0.42 | 0.99 | 0.16 | 9.07 | |||||||||||
1994 | 0.00 | c | 0.20 | 1.35 | a | 0.51 | 1.38 | 0.38 | 0.86 | 3.05 | 2.10 | 1.06 | 1.19 | 0.65 | 12.73 | |||||||||||
1995 | 0.65 | a | 0.00 | 0.69 | 0.60 | 0.09 | 0.51 | 1.47 | 1.83 | 1.55 | 0.00 | 0.55 | 0.73 | 8.67 | ||||||||||||
1996 | 0.10 | 0.12 | 0.05 | 0.05 | 0.00 | 1.40 | 1.69 | 1.71 | 1.75 | 1.62 | 0.55 | 0.00 | 9.04 | |||||||||||||
1997 | 1.23 | 0.09 | 0.00 | 1.34 | 0.75 | 1.21 | 1.42 | 0.74 | 2.26 | 0.67 | 1.49 | 1.44 | b | 12.64 | ||||||||||||
1998 | 0.42 | 1.03 | 0.61 | 0.12 | 0.00 | 0.00 | 2.39 | 0.99 | 0.89 | 3.40 | 0.79 | 0.10 | 10.74 | |||||||||||||
1999 | 0.34 | 0.10 | 0.49 | 1.00 | 0.72 | 0.86 | 3.38 | 3.33 | 1.61 | 0.00 | 0.04 | 0.10 | 11.97 | |||||||||||||
2000 | 0.59 | 0.20 | 3.20 | 0.18 | 0.00 | 0.88 | 0.45 | 0.29 | 0.16 | 1.73 | 0.40 | 0.63 | 8.71 | |||||||||||||
2001 | 0.37 | 0.29 | a | 0.36 | 0.73 | 0.36 | 0.10 | 0.91 | 2.50 | 0.14 | 0.13 | 0.58 | 1.12 | 7.59 | ||||||||||||
2002 | 0.17 | 0.00 | 0.00 | 0.33 | 0.16 | 0.10 | 0.49 | 1.52 | 2.31 | 1.41 | 0.27 | 0.67 | 7.43 | |||||||||||||
2003 | 0.00 | 0.95 | 0.45 | 0.00 | 0.58 | 1.09 | 0.34 | 2.47 | 3.49 | 2.04 | a | 0.56 | b | 0.33 | a | 12.30 | ||||||||||
2004 | 0.36 | c | 1.10 | a | 0.10 | 2.98 | f | 0.08 | 0.04 | a | 0.79 | a | 1.92 | 0.67 | a | 0.15 | h | 0.38 | r | 0.26 | i | 5.06 | d | |||
2005 | 0.69 | c | 1.52 | 0.71 | 0.73 | 0.60 | 0.15 | 0.15 | 2.82 | 1.12 | 0.49 | 0.03 | 0.07 | a | 9.08 | |||||||||||
2006 | 0.12 | 0.02 | 0.67 | 0.31 | 0.00 | 0.78 | 2.21 | 2.94 | a | 1.73 | 1.23 | 0.08 | 0.67 | 10.76 | ||||||||||||
2007 | 0.47 | 1.13 | 0.53 | 0.48 | 1.91 | b | 0.48 | 1.16 | 1.41 | 0.53 | 0.54 | 0.19 | 1.30 | 10.13 | ||||||||||||
2008 | 0.67 | 0.16 | a | 0.02 | 0.05 | 0.58 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.68 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.47 | 0.40 | 0.48 | 0.47 | 0.55 | 0.54 | 1.35 | 1.90 | 1.18 | 1.00 | 0.56 | 0.53 | 9.44 | |||||||||||||
S.D. | 0.56 | 0.37 | 0.55 | 0.52 | 0.57 | 0.65 | 0.77 | 0.96 | 0.86 | 1.01 | 0.49 | 0.53 | 2.36 | |||||||||||||
SKEW | 3.69 | 1.26 | 2.28 | 1.80 | 1.46 | 2.17 | 0.62 | 0.52 | 0.61 | 1.96 | 1.43 | 1.65 | 0.07 | |||||||||||||
MAX | 3.75 | 1.52 | 3.20 | 2.34 | 2.16 | 3.27 | 3.38 | 4.44 | 3.49 | 5.50 | 2.25 | 2.70 | 13.99 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.85 | |||||||||||||
YRS | 64 | 63 | 63 | 60 | 57 | 58 | 58 | 59 | 58 | 57 | 58 | 60 | 52 |