YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | 0.44 | 0.87 | 1.89 | 0.73 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.44 | 1.39 | 7.88 | |||||||||||||
1929 | 1.43 | 0.58 | 0.93 | 1.66 | 0.00 | 0.75 | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.32 | 5.80 | |||||||||||||
1930 | 2.29 | 1.79 | 0.79 | 0.40 | 0.35 | 0.00 | 0.00 | 0.00 | 0.19 | 0.07 | 1.11 | 0.00 | 6.99 | |||||||||||||
1931 | 2.50 | 1.22 | 0.84 | 0.35 | 0.58 | 0.85 | 0.00 | 0.04 | 0.16 | 0.00 | 1.04 | 4.43 | 12.01 | |||||||||||||
1932 | 1.65 | 1.07 | 0.46 | 0.08 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.98 | 4.73 | |||||||||||||
1933 | 3.12 | 0.64 | 1.31 | 0.09 | 0.43 | 0.14 | 0.00 | 0.00 | 0.00 | 0.49 | 0.00 | 1.97 | 8.19 | |||||||||||||
1934 | 0.22 | 2.76 | 0.08 | 0.00 | 0.09 | 0.14 | 0.00 | 0.00 | 0.05 | 0.58 | 3.23 | 2.60 | 9.75 | |||||||||||||
1935 | 3.35 | 2.41 | 3.69 | 3.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 1.45 | 1.09 | 0.88 | 16.22 | |||||||||||||
1936 | 1.18 | 5.83 | 1.72 | 0.42 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 2.78 | 0.00 | 2.70 | 14.68 | |||||||||||||
1937 | 0.98 | 1.63 | 3.46 | 0.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.33 | 2.47 | y | 6.97 | a | |||||||||||
1938 | 2.37 | 4.90 | 5.06 | h | 2.14 | 0.00 | 0.00 | 0.04 | 0.00 | 0.12 | 0.76 | 0.12 | 1.45 | x | 10.45 | b | ||||||||||
1939 | 1.96 | x | 0.91 | 1.85 | 0.21 | 0.55 | 0.04 | 0.00 | 0.01 | 0.83 | 0.87 | 0.06 | 0.26 | 5.59 | a | |||||||||||
1940 | 5.30 | 3.25 | 1.27 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 0.05 | 5.60 | 16.23 | |||||||||||||
1941 | 2.08 | 4.76 | 2.52 | 4.20 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 1.03 | 0.97 | 4.10 | 19.74 | |||||||||||||
1942 | 1.81 | 1.42 | 1.06 | 1.94 | 0.79 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.68 | 1.33 | y | 7.70 | a | |||||||||||
1943 | 1.75 | 1.10 | 3.23 | 0.85 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.55 | 1.69 | 9.39 | |||||||||||||
1944 | 2.20 | 3.55 | 0.27 | 1.52 | 0.24 | 0.18 | 0.00 | 0.00 | 0.05 | 0.42 | 2.37 | 1.28 | 12.08 | |||||||||||||
1945 | 0.19 | 2.49 | 2.63 | 0.15 | 0.11 | 0.04 | 0.00 | 0.18 | 0.00 | 0.74 | 1.37 | 1.66 | 9.56 | |||||||||||||
1946 | 0.52 | 1.78 | 1.56 | 0.00 | 0.37 | 0.00 | 0.09 | 0.00 | ----- | z | 0.42 | 2.18 | 1.82 | 8.74 | a | |||||||||||
1947 | 0.29 | 1.13 | 0.63 | 0.94 | 0.18 | 0.02 | 0.00 | 0.00 | 0.06 | 0.73 | 0.54 | 0.51 | 5.03 | |||||||||||||
1948 | 0.02 | 0.81 | 3.69 | 2.70 | 1.39 | 0.04 | 0.00 | 0.00 | 0.00 | 0.56 | 0.08 | 1.33 | 10.62 | |||||||||||||
1949 | 1.00 | 0.98 | 3.08 | 0.00 | 0.87 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.26 | 1.17 | 8.36 | |||||||||||||
1950 | 2.40 | 1.52 | 1.63 | 0.81 | 0.10 | 0.00 | 0.00 | 0.00 | 0.16 | ----- | z | 2.33 | 1.48 | 10.43 | a | |||||||||||
1951 | 2.25 | 1.90 | 0.61 | 1.21 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 0.71 | 3.33 | 10.34 | |||||||||||||
1952 | 3.28 | 0.78 | 2.19 | 1.51 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.07 | 2.09 | 3.95 | 13.93 | |||||||||||||
1953 | 0.98 | 0.39 | 0.60 | 0.93 | 0.42 | 0.34 | 0.00 | 0.00 | 0.00 | 0.29 | 1.35 | 0.65 | 5.95 | |||||||||||||
1954 | 1.51 | 1.27 | 2.16 | 0.41 | 0.35 | 0.42 | 0.00 | 0.00 | 0.00 | 0.00 | 0.51 | 2.00 | 8.63 | |||||||||||||
1955 | 3.22 | 0.89 | 0.12 | 1.82 | 1.19 | 0.00 | e | 0.00 | 0.00 | 0.00 | 0.04 | 1.10 | 5.82 | 14.20 | ||||||||||||
1956 | 2.17 | 0.65 | 0.01 | 2.79 | 1.24 | 0.00 | 0.00 | 0.00 | 0.04 | 0.72 | 0.00 | 0.31 | 7.93 | |||||||||||||
1957 | 1.87 | 0.67 | 1.14 | 1.33 | 2.08 | 0.14 | 0.00 | 0.00 | 0.00 | 1.10 | 0.86 | 1.37 | 10.56 | |||||||||||||
1958 | 2.51 | 3.57 | 4.53 | 2.87 | 0.63 | 0.03 | 0.38 | 0.00 | 0.20 | 0.00 | 0.24 | 0.17 | 15.13 | |||||||||||||
1959 | 2.04 | 2.27 | 0.01 | 0.42 | 0.06 | 0.00 | 0.00 | 0.00 | 1.68 | 0.00 | 0.00 | 0.50 | 6.98 | |||||||||||||
1960 | 2.68 | 2.08 | 0.56 | 1.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 2.31 | 0.17 | 9.19 | |||||||||||||
1961 | 1.90 | 0.69 | 1.25 | 0.86 | 1.49 | 0.05 | 0.00 | 0.13 | 0.00 | 0.02 | 2.02 | 1.42 | 9.83 | |||||||||||||
1962 | 1.34 | 5.30 | 0.85 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.47 | 0.10 | 1.18 | 9.31 | |||||||||||||
1963 | 1.10 | 2.34 | 1.40 | 2.71 | 0.32 | 0.00 | 0.00 | 0.00 | 0.23 | 1.45 | 2.38 | 0.24 | 12.17 | |||||||||||||
1964 | 0.61 | 0.01 | 1.50 | 0.70 | 0.42 | 0.27 | 0.00 | 0.12 | 0.00 | 1.08 | 1.75 | 3.23 | 9.69 | |||||||||||||
1965 | 1.14 | 0.52 | 0.64 | 1.59 | 0.00 | 0.00 | ----- | z | 0.07 | 0.00 | 0.17 | 4.25 | 1.83 | 10.21 | a | |||||||||||
1966 | 0.81 | 0.94 | 0.06 | 0.17 | ----- | z | 0.01 | 0.07 | 0.00 | 0.09 | 0.00 | 1.90 | 3.29 | 7.34 | a | |||||||||||
1967 | 3.51 | 0.02 | 1.72 | 5.47 | 0.20 | 0.45 | 0.00 | 0.00 | 0.10 | 0.02 | 1.37 | 1.45 | 14.31 | |||||||||||||
1968 | 0.84 | 1.57 | 1.58 | 1.02 | 0.31 | 0.00 | 0.00 | 0.03 | 0.00 | 1.22 | 2.26 | 3.24 | 12.07 | |||||||||||||
1969 | 5.69 | 4.37 | 1.60 | 1.74 | 0.02 | 0.00 | 0.07 | 0.00 | 0.13 | 0.52 | 1.01 | 1.45 | 16.60 | |||||||||||||
1970 | 3.42 | 0.84 | 2.09 | 0.21 | 0.00 | 0.19 | 0.00 | 0.00 | 0.00 | 0.24 | 1.97 | 2.85 | 11.81 | |||||||||||||
1971 | 0.45 | 0.22 | 1.01 | 0.83 | 1.77 | 0.00 | 0.00 | 0.00 | 0.02 | 0.04 | 0.58 | 1.72 | a | 6.64 | ||||||||||||
1972 | 0.19 | 0.70 | 0.00 | 0.56 | 0.03 | 0.05 | 0.02 | 0.00 | 0.14 | 0.49 | 4.07 | 1.40 | 7.65 | |||||||||||||
1973 | 2.23 | 3.71 | 2.98 | 0.39 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 1.55 | 1.15 | 2.36 | 14.39 | |||||||||||||
1974 | 2.26 | 0.42 | 2.32 | 0.72 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.10 | 0.52 | 1.54 | 8.88 | |||||||||||||
1975 | 0.43 | 1.56 | 2.17 | 1.81 | 0.00 | 0.00 | 0.00 | 0.15 | 0.19 | 1.26 | 0.34 | b | 0.10 | 8.01 | ||||||||||||
1976 | 0.10 | 3.64 | 0.64 | 1.60 | 0.00 | 0.00 | 0.05 | 0.27 | 0.94 | 0.66 | 0.87 | 1.18 | 9.95 | |||||||||||||
1977 | 0.60 | 0.22 | 1.05 | 0.00 | 0.77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.58 | 2.36 | 5.58 | |||||||||||||
1978 | 3.14 | 4.27 | 5.04 | 2.90 | 0.00 | 0.00 | 0.02 | 0.00 | 1.61 | 0.03 | 3.04 | 0.54 | 20.59 | |||||||||||||
1979 | 3.97 | 3.18 | 2.14 | 0.11 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | 1.00 | 1.50 | 12.68 | |||||||||||||
1980 | 3.61 | ----- | z | 1.50 | ----- | z | 0.25 | ----- | z | 0.00 | ----- | z | 0.00 | 0.12 | 0.26 | 0.58 | 6.32 | d | ||||||||
1981 | 2.74 | 0.76 | b | 3.42 | 1.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.36 | 1.99 | 0.81 | 12.11 | ||||||||||||
1982 | 1.97 | 1.42 | 3.44 | r | 2.94 | 0.00 | 0.20 | 0.00 | 0.00 | e | 0.84 | 1.29 | a | 3.16 | a | 1.78 | 13.60 | a | ||||||||
1983 | 4.97 | 3.40 | 5.12 | 1.90 | 0.83 | 0.00 | 0.00 | 0.00 | 0.22 | 0.66 | 2.58 | 2.45 | 22.13 | |||||||||||||
1984 | 0.35 | 1.48 | 0.59 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | d | 0.87 | 2.37 | 2.12 | 7.96 | ||||||||||||
1985 | 0.59 | a | 0.71 | 1.65 | 0.52 | 0.00 | 0.34 | a | 0.00 | 0.12 | 0.11 | 0.54 | a | 2.76 | 1.03 | 8.37 | ||||||||||
1986 | 1.37 | ----- | z | 3.16 | 0.51 | 0.15 | 0.00 | 0.00 | 0.00 | 0.43 | 0.00 | 0.00 | 0.97 | 6.59 | a | |||||||||||
1987 | 1.60 | 2.26 | 2.91 | 0.36 | 0.06 | 0.02 | 0.00 | 0.00 | a | 0.00 | 1.96 | 0.48 | 1.52 | 11.17 | ||||||||||||
1988 | 0.90 | 0.50 | 0.59 | 2.03 | 0.29 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 1.42 | 2.04 | 7.80 | |||||||||||||
1989 | 0.40 | 1.20 | a | 2.13 | 0.17 | 0.11 | 0.00 | 0.00 | 0.03 | 0.94 | ----- | z | 0.54 | 0.00 | 5.52 | a | ||||||||||
1990 | 2.32 | 1.38 | 0.71 | 1.41 | 2.36 | 0.00 | 0.00 | 0.00 | 0.04 | 0.03 | 0.53 | 0.64 | 9.42 | |||||||||||||
1991 | 0.15 | 1.25 | 7.11 | 0.17 | 0.05 | 0.01 | 0.00 | 0.02 | 0.00 | 0.87 | 0.23 | 1.08 | 10.94 | |||||||||||||
1992 | 1.43 | 2.88 | c | 2.13 | 0.02 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 1.33 | 0.04 | 3.08 | 11.00 | ||||||||||||
1993 | 5.16 | 2.69 | f | 3.18 | 0.32 | 0.71 | 0.43 | 0.00 | 0.00 | 0.00 | 0.06 | 0.77 | 1.39 | 12.02 | a | |||||||||||
1994 | 1.85 | 1.77 | 0.43 | 1.89 | 2.61 | 0.00 | 0.00 | 0.00 | 0.13 | 1.41 | 1.61 | 1.36 | 13.06 | |||||||||||||
1995 | 5.18 | 0.71 | 4.82 | a | 1.21 | 0.79 | 0.48 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.42 | 15.61 | ||||||||||||
1996 | 2.62 | 3.98 | b | 2.34 | 0.84 | 0.52 | 0.32 | 0.00 | 0.00 | 0.00 | 1.83 | 2.55 | 5.02 | 20.02 | ||||||||||||
1997 | 5.05 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.13 | 0.00 | 2.55 | 1.65 | 9.58 | |||||||||||||
1998 | 4.22 | 5.69 | 4.26 | 2.03 | 1.38 | 0.74 | 0.00 | 0.00 | 0.88 | 0.19 | 0.34 | 0.95 | 20.68 | |||||||||||||
1999 | 2.18 | 1.67 | 0.63 | 1.62 | 0.06 | b | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.61 | 0.08 | 6.90 | ||||||||||||
2000 | 3.59 | f | 6.13 | 1.35 | a | 1.26 | 0.16 | 0.46 | 0.00 | 0.00 | 0.27 | 2.83 | 0.07 | 0.13 | 12.66 | a | ||||||||||
2001 | 2.33 | 1.98 | 1.71 | e | 1.08 | d | 0.00 | 0.00 | 0.02 | 0.00 | 0.02 | 0.51 | 1.89 | f | 2.42 | h | 7.65 | b | ||||||||
2002 | 1.40 | i | 0.34 | c | 1.14 | d | 0.23 | b | 0.33 | 0.44 | 0.00 | ----- | z | 0.00 | 0.00 | 2.80 | a | 2.85 | c | 8.13 | b | |||||
2003 | 0.51 | c | 1.51 | b | ----- | z | 1.74 | b | 0.87 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.34 | 2.88 | 7.91 | a | ||||||||
2004 | 0.95 | 2.20 | 0.56 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.89 | 1.07 | 3.67 | 12.34 | |||||||||||||
2005 | 2.10 | 3.04 | 2.59 | 0.60 | 3.32 | ----- | z | 0.00 | 0.04 | 0.01 | 0.00 | ----- | z | ----- | z | 11.70 | c | |||||||||
2006 | 3.10 | 0.65 | 3.80 | c | 2.55 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.56 | 1.40 | 12.46 | |||||||||||
2007 | 0.65 | 1.86 | ----- | z | 0.50 | a | 0.05 | 0.00 | 0.00 | 0.00 | 0.15 | 0.32 | 0.09 | 2.13 | 5.75 | a | ||||||||||
2008 | 2.78 | 2.21 | 0.00 | 0.00 | 0.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.19 | 1.27 | 7.71 | |||||||||||||
2009 | 1.95 | 3.24 | 0.83 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.14 | 0.17 | 2.69 | 10.08 | ||||||||||||
2010 | 2.48 | 2.77 | 2.04 | a | 2.69 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 2.31 | 5.40 | 18.12 | ||||||||||||
2011 | 1.88 | 1.50 | 4.17 | 0.24 | 0.45 | a | 0.14 | c | 0.00 | r | 0.00 | 0.00 | c | 0.00 | g | 0.81 | i | 0.08 | 8.46 | c | ||||||
2012 | 0.03 | c | 0.12 | c | ----- | z | ----- | z | 0.00 | a | 0.12 | a | 0.00 | 0.00 | d | 0.00 | 0.07 | e | 0.81 | c | 1.88 | g | 1.15 | c | ||
2013 | 0.06 | o | 0.74 | 0.12 | 0.98 | a | 0.06 | 0.00 | 0.00 | d | 0.00 | 0.02 | 0.07 | 0.25 | 0.23 | 2.47 | a | |||||||||
2014 | 0.32 | 2.16 | g | 0.48 | e | 1.11 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | a | 0.00 | 1.06 | a | 2.41 | 5.42 | a | |||||||
2015 | 0.00 | 0.66 | S | 0.01 | a | 0.94 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.29 | 1.81 | e | 2.24 | x | 3.85 | a | ||||||||
2016 | ----- | z | 1.24 | w | 3.84 | u | 3.14 | q | 0.01 | u | 0.02 | 0.00 | 0.00 | 0.00 | c | 0.77 | a | 1.42 | 2.22 | 4.43 | e | |||||
2017 | 4.98 | a | 3.88 | 0.60 | 0.46 | 0.00 | b | 0.00 | 0.00 | 0.00 | 0.10 | 0.07 | 0.10 | 0.00 | 10.19 | |||||||||||
2018 | 0.00 | q | 0.00 | r | 2.30 | k | 0.00 | 0.00 | b | ----- | z | 0.00 | 0.00 | 0.01 | 0.01 | 2.68 | 0.90 | 3.60 | d | |||||||
2019 | 1.64 | 2.90 | 1.06 | g | ----- | z | ----- | z | ----- | z | 0.00 | j | 0.00 | 0.00 | 0.00 | 0.00 | d | 3.94 | b | 8.48 | e | |||||
2020 | 0.81 | 0.00 | 1.74 | 1.98 | 0.00 | 0.00 | m | 0.00 | a | 0.00 | 0.00 | 0.00 | k | ----- | z | ----- | z | 4.53 | d | |||||||
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | a | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.94 | 1.88 | 1.75 | 1.09 | 0.37 | 0.09 | 0.01 | 0.01 | 0.13 | 0.54 | 1.17 | 1.77 | 11.20 | |||||||||||||
S.D. | 1.42 | 1.47 | 1.43 | 1.05 | 0.62 | 0.18 | 0.04 | 0.04 | 0.31 | 0.71 | 1.04 | 1.35 | 4.07 | |||||||||||||
SKEW | 0.79 | 1.04 | 1.13 | 1.42 | 2.54 | 2.39 | 7.28 | 3.83 | 3.48 | 2.10 | 0.82 | 1.01 | 0.85 | |||||||||||||
MAX | 5.69 | 6.13 | 7.11 | 5.47 | 3.32 | 0.85 | 0.38 | 0.27 | 1.68 | 3.89 | 4.25 | 5.82 | 22.13 | |||||||||||||
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 | 4.73 | |||||||||||||
YRS | 87 | 87 | 85 | 89 | 91 | 88 | 91 | 92 | 92 | 89 | 89 | 85 | 65 |