YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | 2.11 | 0.27 | 1.52 | c | 1.06 | 0.03 | 0.61 | 0.58 | 0.09 | 0.88 | 1.16 | 0.79 | 1.42 | 10.52 | ||||||||||||
1929 | 3.75 | 0.00 | 1.00 | 0.38 | 0.97 | 1.96 | 0.00 | 0.05 | 0.58 | 0.00 | f | 0.23 | 3.17 | 12.09 | a | |||||||||||
1930 | 0.79 | 1.04 | 0.50 | i | 0.93 | 2.47 | 0.66 | 0.05 | 0.07 | 0.91 | 1.98 | 1.65 | 1.08 | 11.63 | a | |||||||||||
1931 | 1.63 | 0.86 | 2.66 | 1.08 | 0.00 | 1.44 | 0.00 | 0.00 | 0.25 | 1.18 | 2.15 | 2.43 | 13.68 | |||||||||||||
1932 | 1.12 | 1.11 | 2.11 | 0.97 | 1.57 | 0.23 | ----- | z | 0.00 | 0.00 | 0.83 | 2.81 | 0.99 | 11.74 | a | |||||||||||
1933 | 1.41 | 2.12 | 1.02 | 1.16 | 1.73 | 0.68 | 0.41 | 0.33 | 1.23 | 1.43 | 0.91 | 3.71 | 16.14 | |||||||||||||
1934 | 0.53 | 0.36 | 1.71 | 0.44 | 0.41 | 1.22 | 0.10 | 0.34 | 0.63 | 1.53 | 1.96 | 1.58 | 10.81 | |||||||||||||
1935 | 0.96 | 1.04 | 0.97 | 2.18 | 0.48 | 1.01 | 0.10 | 0.02 | 0.02 | 1.61 | 0.32 | 1.36 | 10.07 | |||||||||||||
1936 | 2.49 | 1.75 | 0.79 | 0.40 | 0.07 | 1.38 | 0.31 | 0.05 | 0.80 | 0.00 | 0.12 | 0.94 | 9.10 | |||||||||||||
1937 | 1.71 | 0.35 | 1.87 | 2.46 | 0.21 | a | ----- | z | 0.08 | 0.34 | 0.10 | 0.71 | 1.86 | 2.17 | 11.86 | a | ||||||||||
1938 | 1.01 | 2.18 | 2.29 | 1.40 | 1.33 | 1.27 | 0.04 | 0.06 | 0.33 | 0.29 | 1.66 | 0.63 | 12.49 | |||||||||||||
1939 | 0.83 | 2.09 | 1.59 | 0.71 | 0.67 | 0.90 | 0.56 | 0.00 | 0.06 | 0.62 | 0.00 | 2.81 | 10.84 | |||||||||||||
1940 | 2.21 | 2.98 | 1.07 | 1.58 | 0.35 | 0.07 | 0.68 | 0.00 | 2.06 | 1.74 | 1.98 | 1.37 | 16.09 | |||||||||||||
1941 | 0.84 | 1.50 | 0.48 | 0.79 | 2.74 | 3.52 | 0.35 | 0.63 | 1.51 | 1.69 | 1.82 | 2.12 | 17.99 | |||||||||||||
1942 | 1.64 | 0.96 | 0.43 | 1.20 | 3.64 | 2.68 | 0.71 | 0.22 | 0.00 | 1.03 | 3.57 | 3.41 | 19.49 | |||||||||||||
1943 | 0.87 | 0.34 | 1.15 | 1.59 | 1.80 | 1.82 | 0.15 | 0.25 | 0.00 | d | 1.68 | 0.47 | 1.28 | 11.40 | ||||||||||||
1944 | 1.26 | 2.07 | 0.82 | 2.96 | 0.34 | 0.65 | 0.90 | 0.17 | 1.08 | 0.50 | 1.17 | 1.11 | 13.03 | |||||||||||||
1945 | 1.69 | 1.64 | 2.47 | 1.54 | 2.82 | 0.79 | 0.00 | 0.16 | 1.78 | 0.96 | 2.11 | 1.70 | 17.66 | |||||||||||||
1946 | 1.38 | 0.78 | 1.73 | 0.58 | 1.61 | 1.51 | 0.12 | 0.52 | 1.58 | 1.25 | 1.57 | 0.86 | 13.49 | |||||||||||||
1947 | 1.32 | 0.56 | 1.73 | 2.25 | 0.51 | 2.76 | 0.22 | 0.08 | 1.37 | 3.14 | 2.26 | 1.43 | 17.63 | |||||||||||||
1948 | 2.05 | 1.44 | 0.89 | 1.93 | 3.57 | 1.58 | 1.15 | 0.16 | 0.29 | 0.92 | 1.40 | 2.18 | 17.56 | |||||||||||||
1949 | 0.39 | 1.20 | 1.26 | 0.57 | 0.86 | 0.08 | 0.00 | 0.02 | 0.53 | 0.46 | 1.73 | 0.96 | 8.06 | |||||||||||||
1950 | 2.07 | b | 1.14 | 1.90 | 1.01 | 0.46 | 2.43 | 0.12 | 0.20 | 0.07 | 4.38 | 1.86 | 1.97 | 17.61 | ||||||||||||
1951 | 1.63 | 0.96 | 1.61 | 0.54 | ----- | z | 3.31 | 0.00 | 0.03 | a | 0.35 | 2.10 | 0.57 | m | ----- | z | 10.53 | c | ||||||||
1952 | ----- | z | ----- | z | 0.00 | x | 1.17 | 0.82 | 2.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.37 | 1.03 | r | 4.51 | d | ||||||||
1953 | ----- | z | ----- | z | ----- | z | 0.96 | y | 1.83 | 0.55 | 0.00 | 0.50 | 0.01 | 1.09 | 1.76 | 1.73 | 7.47 | d | ||||||||
1954 | 1.65 | 0.48 | 1.25 | 0.88 | 0.84 | 1.36 | 0.00 | w | 1.19 | 0.30 | 0.81 | 1.27 | 0.91 | 10.94 | a | |||||||||||
1955 | 1.00 | 0.52 | a | 0.63 | 1.88 | 0.97 | 0.30 | 1.06 | 0.00 | 1.15 | 2.47 | b | 2.87 | 2.70 | a | 15.55 | ||||||||||
1956 | 3.86 | a | 1.44 | 1.12 | 0.19 | 2.29 | 1.09 | 0.17 | a | 0.95 | 0.06 | ----- | z | 0.92 | 1.22 | 13.31 | a | |||||||||
1957 | 1.29 | 1.12 | 2.75 | a | 0.85 | a | 4.44 | 1.20 | 0.03 | 0.23 | 0.71 | 1.91 | 0.69 | 1.15 | e | 16.37 | ||||||||||
1958 | ----- | z | ----- | z | 1.52 | 2.45 | 1.62 | 1.46 | 0.04 | 0.02 | 0.68 | 0.17 | 1.40 | 2.75 | 12.11 | b | ||||||||||
1959 | 2.94 | 1.67 | 0.61 | 0.62 | 1.13 | 1.17 | 0.14 | 0.98 | 2.29 | 1.19 | 0.41 | 1.12 | 14.27 | |||||||||||||
1960 | 0.91 | 0.88 | 1.58 | a | 1.32 | a | 1.75 | 0.90 | 0.01 | 1.14 | 0.68 | 0.98 | 1.40 | 0.65 | 12.20 | |||||||||||
1961 | 0.65 | 2.36 | 1.89 | 0.89 | 1.73 | 1.12 | 0.01 | 0.12 | 0.20 | 1.09 | 1.70 | 1.70 | 13.46 | |||||||||||||
1962 | 0.68 | 0.65 | 1.64 | 1.15 | 3.34 | 0.48 | 0.00 | 0.44 | 0.77 | 2.72 | 0.96 | 2.04 | 14.87 | |||||||||||||
1963 | 0.99 | 1.73 | 0.88 | 1.19 | 0.61 | 0.23 | 0.26 | 1.16 | 0.73 | 0.44 | 1.49 | 1.66 | 11.37 | |||||||||||||
1964 | 0.77 | 0.02 | 0.29 | 0.64 | 0.12 | 1.14 | 1.83 | 0.26 | 0.13 | 0.71 | 2.07 | 3.34 | 11.32 | |||||||||||||
1965 | 2.97 | 0.48 | 0.17 | 1.01 | 0.74 | 0.88 | 0.64 | 1.85 | 0.45 | 0.28 | 1.92 | 0.50 | 11.89 | |||||||||||||
1966 | 1.76 | 0.56 | 1.38 | 0.10 | 0.46 | 0.98 | 1.15 | d | 0.40 | 0.00 | g | 0.53 | 2.76 | 1.75 | 11.83 | a | ||||||||||
1967 | 1.25 | 0.37 | 1.34 | 1.45 | 1.67 | 0.35 | 0.03 | 0.00 | 0.54 | 0.50 | 0.76 | 0.66 | 8.92 | |||||||||||||
1968 | 0.77 | 1.48 | 0.36 | 0.12 | 0.53 | 1.06 | 0.45 | 1.02 | 1.40 | 1.57 | 2.47 | 1.88 | 13.11 | |||||||||||||
1969 | 3.86 | 1.20 | 0.76 | 2.01 | 0.98 | 1.69 | 0.01 | 0.00 | 0.56 | 1.10 | 0.30 | 2.27 | 14.74 | |||||||||||||
1970 | 4.87 | 1.40 | 1.87 | 0.50 | 0.67 | 1.26 | 0.21 | 0.02 | 1.36 | 1.40 | 2.25 | 0.33 | 16.14 | |||||||||||||
1971 | 1.00 | 0.51 | 1.25 | 1.14 | 1.50 | 2.29 | 0.75 | 0.35 | 1.31 | 0.96 | 2.87 | 1.61 | 15.54 | |||||||||||||
1972 | 0.95 | 1.09 | 1.70 | 0.59 | 1.47 | 0.60 | 0.80 | 0.52 | 0.16 | 0.63 | 0.78 | 2.04 | 11.33 | |||||||||||||
1973 | 0.71 | 0.85 | 1.05 | 0.15 | 0.83 | 0.14 | 0.16 | 0.02 | 1.88 | 1.81 | 3.92 | 3.81 | 15.33 | |||||||||||||
1974 | 1.07 | 0.99 | 1.25 | 2.01 | 0.22 | 0.70 | 1.08 | 0.00 | 0.01 | 0.50 | 1.12 | 1.42 | 10.37 | |||||||||||||
1975 | 3.55 | 1.44 | 1.15 | 1.25 | 0.62 | 0.59 | 0.04 | 1.11 | 0.00 | 1.52 | 1.42 | 2.07 | 14.76 | |||||||||||||
1976 | 0.82 | 1.31 | 1.20 | 1.74 | 1.06 | 0.73 | 0.28 | 1.50 | 0.04 | 0.49 | 0.29 | 0.44 | 9.90 | |||||||||||||
1977 | 0.70 | 0.36 | 1.46 | 0.19 | 0.66 | 0.32 | 0.23 | 2.80 | 1.25 | 0.45 | 1.77 | 2.87 | 13.06 | |||||||||||||
1978 | 2.13 | 1.41 | 0.65 | 2.99 | 0.54 | 0.80 | 0.92 | 1.52 | 0.88 | 0.00 | 1.47 | 2.05 | 15.36 | |||||||||||||
1979 | 1.90 | 1.33 | 1.66 | 1.29 | 0.84 | 0.20 | 0.05 | 0.79 | 0.22 | 1.99 | 1.77 | 0.77 | 12.81 | |||||||||||||
1980 | 3.36 | 1.64 | 2.04 | 1.00 | 2.12 | 0.85 | 0.10 | 0.19 | 0.96 | 2.28 | 1.48 | 1.60 | 17.62 | |||||||||||||
1981 | 0.84 | 1.43 | 2.65 | 1.10 | 2.80 | 2.16 | 0.38 | 0.10 | 0.84 | 2.03 | 1.87 | 2.47 | 18.67 | |||||||||||||
1982 | 2.37 | 0.99 | 1.75 | a | 1.56 | 0.39 | a | 0.79 | 0.85 | 0.63 | 1.84 | 1.96 | 1.32 | 2.66 | 17.11 | |||||||||||
1983 | 1.54 | 2.54 | 3.26 | 1.31 | 0.74 | 1.74 | 0.95 | 0.99 | 0.88 | 1.08 | 2.46 | 3.29 | 20.78 | |||||||||||||
1984 | 0.92 | 1.72 | 2.86 | 1.91 | 1.53 | 2.61 | 0.01 | 0.66 | 0.90 | 1.18 | 3.27 | 1.81 | 19.38 | |||||||||||||
1985 | 0.19 | 0.83 | 1.59 | 0.62 | 0.70 | 1.04 | 0.15 | 1.46 | 1.50 | 1.60 | 2.55 | 1.10 | 13.33 | |||||||||||||
1986 | 2.42 | 3.06 | 1.68 | 1.10 | 1.85 | 0.19 | 0.83 | 0.11 | 2.50 | 0.96 | 3.08 | 0.55 | 18.33 | |||||||||||||
1987 | 2.50 | 1.09 | 1.29 | 0.68 | 2.11 | 0.83 | 1.16 | 0.11 | 0.10 | 0.00 | 1.34 | 1.81 | 13.02 | |||||||||||||
1988 | 2.06 | 0.23 | 1.31 | 3.10 | 1.50 | 0.93 | 0.08 | 0.00 | 0.60 | 0.12 | 2.23 | 0.97 | 13.13 | |||||||||||||
1989 | 2.35 | 1.43 | 3.59 | 1.41 | 2.60 | 0.52 | 0.08 | 0.95 | 0.25 | 0.84 | 1.89 | 0.73 | 16.64 | |||||||||||||
1990 | 1.40 | 0.49 | 1.74 | 1.75 | 3.48 | 0.88 | 0.34 | 0.54 | 0.00 | 1.53 | 1.52 | 1.02 | 14.69 | |||||||||||||
1991 | 0.95 | 0.98 | 2.32 | 0.85 | 5.88 | 2.97 | 1.04 | 0.78 | 0.01 | 1.26 | 4.32 | 1.03 | 22.39 | |||||||||||||
1992 | 0.89 | 1.32 | 0.62 | 1.97 | 0.36 | 0.87 | 2.38 | 1.58 | 0.82 | 0.95 | 1.86 | 1.39 | 15.01 | |||||||||||||
1993 | 1.78 | 1.07 | 1.78 | 3.35 | 2.62 | 2.06 | 1.98 | 2.99 | 0.01 | 0.44 | 0.18 | 2.18 | 20.44 | |||||||||||||
1994 | 1.15 | 1.34 | a | 0.32 | 0.92 | 2.09 | 0.41 | 0.34 | 0.00 | 0.39 | 1.48 | 4.17 | 1.21 | 13.82 | ||||||||||||
1995 | 2.23 | 0.95 | 2.49 | 2.79 | 1.12 | 2.21 | 0.51 | 0.48 | 1.04 | 2.01 | 2.13 | 2.86 | 20.82 | |||||||||||||
1996 | 2.92 | 2.92 | 1.62 | 2.51 | 2.12 | 0.63 | 0.04 | 0.02 | 0.88 | 1.66 | 3.51 | 4.47 | 23.30 | |||||||||||||
1997 | 2.67 | 1.34 | 2.21 | 2.50 | 0.69 | 1.38 | 0.75 | 0.00 | 0.55 | 1.12 | 1.21 | 0.74 | 15.16 | |||||||||||||
1998 | 2.35 | 1.17 | 1.18 | 1.02 | 2.22 | 0.89 | 0.13 | 0.05 | 1.21 | 0.12 | 3.28 | 2.32 | 15.94 | |||||||||||||
1999 | 0.80 | 1.74 | 1.07 | 0.92 | 0.98 | 0.29 | 0.00 | 0.58 | 0.00 | 1.43 | 1.40 | 1.12 | 10.33 | |||||||||||||
2000 | 2.56 | 3.58 | 3.34 | 0.80 | 2.77 | 0.81 | 0.30 | 0.00 | 1.82 | 1.75 | 1.57 | 1.14 | 20.44 | |||||||||||||
2001 | 0.88 | 0.86 | 1.51 | 1.93 | 0.72 | 1.51 | 0.18 | 0.00 | 0.32 | 2.02 | 1.54 | 1.94 | 13.41 | |||||||||||||
2002 | 1.17 | 1.11 | 1.21 | a | 0.85 | 0.86 | 1.22 | 0.11 | 0.00 | 0.30 | 0.49 | 0.97 | 3.13 | 11.42 | ||||||||||||
2003 | 2.22 | 2.17 | 1.58 | 1.89 | 1.21 | 0.05 | 0.00 | 0.16 | 0.81 | 0.29 | 0.96 | 3.05 | c | 14.39 | ||||||||||||
2004 | 2.74 | 1.72 | 0.33 | 1.42 | 2.15 | 1.99 | 0.14 | 1.03 | 0.54 | 0.80 | 1.91 | 1.33 | 16.10 | |||||||||||||
2005 | 0.58 | 0.12 | 1.33 | 1.10 | 2.71 | 0.50 | 0.14 | 0.00 | 0.29 | 1.14 | b | 1.62 | 1.59 | a | 11.12 | |||||||||||
2006 | 3.43 | 1.60 | 2.01 | b | 2.90 | 0.73 | a | 1.74 | 0.00 | 0.00 | 0.55 | 0.75 | a | 2.55 | d | 2.63 | 18.89 | |||||||||
2007 | 0.08 | 1.84 | a | 1.74 | 1.38 | 0.76 | 1.18 | a | 0.30 | 0.72 | 0.64 | 0.71 | 1.99 | 2.08 | 13.42 | |||||||||||
2008 | 1.55 | 0.86 | 1.12 | 0.66 | 1.31 | g | 1.20 | 0.00 | 0.44 | 0.28 | 0.28 | 1.88 | 3.16 | 11.43 | a | |||||||||||
2009 | 2.08 | 1.12 | 3.08 | 1.34 | 0.96 | 1.37 | 0.01 | 1.08 | 0.00 | 2.48 | 1.26 | 1.35 | j | 14.78 | a | |||||||||||
2010 | 2.05 | 1.02 | 1.27 | 1.68 | 2.83 | 1.67 | 0.00 | 0.06 | 1.51 | 1.69 | 2.20 | 2.84 | 18.82 | |||||||||||||
2011 | 1.46 | 1.39 | 1.11 | c | 0.35 | f | 1.78 | f | 1.32 | 0.00 | 0.00 | 0.04 | 1.44 | 1.02 | 0.35 | 8.13 | b | |||||||||
2012 | 1.38 | f | 0.21 | h | 2.98 | 3.20 | 0.73 | 1.84 | f | 0.05 | c | 0.00 | 0.00 | 0.31 | f | 2.91 | 0.82 | 10.69 | d | |||||||
2013 | 1.25 | 0.98 | 1.23 | 1.87 | a | 1.32 | 1.90 | a | 0.00 | a | 0.17 | 1.43 | 1.01 | 1.11 | 0.70 | 12.97 | ||||||||||
2014 | 0.79 | 1.51 | 2.19 | 1.19 | 0.27 | 1.32 | 0.14 | 0.45 | 0.49 | 0.20 | 1.03 | 2.52 | 12.10 | |||||||||||||
2015 | 1.46 | 1.60 | 0.94 | 0.12 | 1.56 | 0.00 | 0.00 | 0.03 | 0.89 | 0.40 | 2.06 | 3.43 | 12.49 | |||||||||||||
2016 | 1.71 | 1.06 | 2.45 | 0.48 | 1.50 | 0.00 | 0.56 | 0.05 | 0.27 | 2.94 | 0.86 | 2.58 | 14.46 | |||||||||||||
2017 | 1.87 | 2.74 | 2.63 | 1.54 | 0.83 | 1.03 | 0.00 | 0.05 | 0.39 | 0.84 | 1.73 | 2.52 | 16.17 | |||||||||||||
2018 | 1.76 | 0.50 | 1.92 | 2.97 | 0.87 | 0.55 | 0.00 | 0.25 | 0.00 | 2.22 | 1.16 | 2.08 | 14.28 | |||||||||||||
2019 | 2.53 | 3.48 | 1.17 | 2.79 | 2.10 | 0.34 | 0.02 | 0.71 | 2.16 | 0.96 | 0.74 | 1.26 | 18.26 | |||||||||||||
2020 | 2.94 | 2.11 | 1.02 | 0.56 | 4.55 | 1.40 | 0.08 | 0.00 | 0.41 | 1.15 | 2.57 | 2.04 | 18.83 | |||||||||||||
2021 | 1.65 | 1.67 | 0.67 | 0.26 | 0.55 | 0.60 | 0.00 | 0.20 | 0.70 | 1.80 | 2.31 | 2.69 | 13.10 | |||||||||||||
2022 | 1.67 | 0.62 | 1.59 | 2.42 | 3.96 | 2.64 | 0.26 | 1.31 | 0.20 | 2.39 | 3.24 | 2.50 | 22.80 | |||||||||||||
2023 | 0.94 | 0.72 | 1.17 | 2.38 | 0.82 | 0.15 | 0.00 | 1.02 | 1.07 | 1.64 | 1.74 | 2.14 | 13.79 | |||||||||||||
2024 | 2.37 | 1.40 | 1.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.25 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.68 | 1.27 | 1.52 | 1.36 | 1.46 | 1.14 | 0.34 | 0.44 | 0.68 | 1.20 | 1.72 | 1.83 | 14.86 | |||||||||||||
S.D. | 0.92 | 0.74 | 0.73 | 0.81 | 1.13 | 0.77 | 0.46 | 0.58 | 0.61 | 0.79 | 0.92 | 0.90 | 3.40 | |||||||||||||
SKEW | 0.91 | 0.90 | 0.62 | 0.63 | 1.34 | 0.87 | 2.07 | 1.99 | 0.90 | 0.93 | 0.53 | 0.47 | 0.39 | |||||||||||||
MAX | 4.87 | 3.58 | 3.59 | 3.35 | 5.88 | 3.52 | 2.38 | 2.99 | 2.50 | 4.38 | 4.32 | 4.47 | 23.30 | |||||||||||||
MIN | 0.08 | 0.00 | 0.17 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 8.06 | |||||||||||||
YRS | 93 | 93 | 94 | 94 | 93 | 94 | 94 | 96 | 95 | 93 | 95 | 93 | 81 |