YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
1926 | ----- | z | 0.60 | t | 0.10 | 0.22 | 0.75 | 0.86 | ----- | z | 0.10 | 0.38 | 0.88 | s | 3.64 | o | 1.50 | 3.91 | e | |||||||
1927 | 1.08 | a | 1.07 | 0.60 | 0.05 | 0.69 | 0.23 | 0.01 | 0.35 | 1.54 | 1.08 | 1.51 | 0.23 | 8.44 | ||||||||||||
1928 | ----- | z | 0.10 | 0.87 | 0.81 | x | 0.05 | 0.58 | ----- | z | ----- | z | ----- | z | 0.36 | 1.10 | w | 1.73 | 3.69 | f | ||||||
1929 | 1.10 | ----- | z | 0.11 | ----- | z | 0.21 | 0.67 | x | 0.00 | 0.01 | 0.04 | x | ----- | z | 0.03 | 1.74 | 3.20 | e | |||||||
1930 | 0.83 | 0.96 | 0.20 | 0.22 | 0.36 | 0.00 | 0.00 | 0.04 | ----- | z | 0.10 | 0.35 | 0.21 | 3.27 | a | |||||||||||
1931 | 0.50 | 0.20 | 1.17 | 0.43 | 0.01 | 0.80 | 0.00 | 0.00 | 0.17 | a | 0.51 | 1.51 | 3.02 | 8.32 | ||||||||||||
1932 | 0.48 | a | 0.37 | 0.75 | 0.39 | 0.62 | 0.00 | 0.05 | 0.10 | 0.00 | 0.94 | 1.00 | 0.43 | 5.13 | ||||||||||||
1933 | 0.60 | 0.62 | 0.97 | 0.35 | 1.15 | 0.42 | 0.07 | 0.17 | 0.98 | 0.47 | 0.32 | 1.24 | 7.36 | |||||||||||||
1934 | 0.64 | 0.28 | 0.75 | 0.43 | 0.44 | 0.21 | 0.00 | 0.61 | 0.52 | 1.17 | 1.02 | 0.57 | 6.64 | |||||||||||||
1935 | 0.14 | 0.53 | 0.02 | 0.38 | 0.07 | 0.28 | 0.34 | 0.00 | 0.05 | 0.90 | 0.40 | 1.13 | 4.24 | |||||||||||||
1936 | 1.73 | 0.68 | 0.16 | 0.31 | 0.32 | 0.78 | 0.06 | 0.00 | 0.10 | 0.03 | 0.02 | 1.08 | 5.27 | |||||||||||||
1937 | 0.88 | 0.90 | 0.63 | a | 0.99 | 0.04 | 1.46 | 0.39 | 0.21 | 0.34 | 0.82 | 2.09 | 2.03 | 10.78 | ||||||||||||
1938 | 0.80 | 0.73 | 1.05 | 0.30 | 0.22 | 1.64 | 0.00 | 0.02 | 0.03 | 0.92 | 0.46 | 0.39 | 6.56 | |||||||||||||
1939 | 0.88 | 0.65 | 0.56 | 0.04 | 0.08 | 0.17 | 0.16 | a | 0.00 | 0.66 | 0.31 | 0.00 | 1.14 | 4.65 | ||||||||||||
1940 | 1.20 | 3.18 | 0.59 | 0.52 | 0.15 | 0.19 | 0.61 | 0.00 | 0.69 | 2.12 | 1.58 | 1.53 | 12.36 | |||||||||||||
1941 | 1.61 | 0.87 | 0.28 | 0.38 | 1.11 | 1.74 | 0.30 | 0.78 | 0.66 | 0.80 | 0.95 | 0.60 | 10.08 | |||||||||||||
1942 | 1.11 | 0.85 | 0.09 | 0.33 | 1.65 | 1.37 | 0.02 | 0.06 | 0.00 | 0.75 | 1.80 | 1.62 | 9.65 | |||||||||||||
1943 | 0.41 | 0.73 | 0.50 | 1.08 | 0.25 | 0.22 | 0.00 | 0.25 | 0.00 | 1.58 | 0.31 | 0.41 | 5.74 | |||||||||||||
1944 | 0.30 | 0.40 | 0.39 | 1.70 | 0.27 | 0.58 | 0.00 | 0.00 | 0.26 | 0.19 | 1.62 | 1.03 | 6.74 | |||||||||||||
1945 | 0.98 | 1.24 | 0.79 | 0.48 | 1.74 | 0.06 | 0.03 | 0.05 | 0.48 | 0.70 | 0.82 | 1.55 | 8.92 | |||||||||||||
1946 | 0.20 | 0.44 | 1.33 | 0.34 | 0.55 | 1.01 | 0.25 | 0.32 | 0.51 | 0.92 | 0.98 | 0.06 | 6.91 | |||||||||||||
1947 | 0.06 | a | 0.64 | 0.32 | 0.84 | 0.07 | 1.36 | 0.57 | 0.95 | 0.62 | 2.50 | 0.77 | 0.65 | 9.35 | ||||||||||||
1948 | 1.44 | 0.76 | 0.07 | 0.89 | 1.41 | 1.54 | 0.32 | 0.25 | 0.21 | 0.77 | 0.95 | 1.07 | 9.68 | |||||||||||||
1949 | 0.15 | 0.90 | 1.18 | 0.10 | 0.27 | 0.01 | 0.00 | a | 0.06 | 0.70 | 0.30 | 1.39 | 0.05 | 5.11 | ||||||||||||
1950 | 1.66 | 1.24 | 1.16 | 0.47 | 0.13 | 2.73 | 0.02 | f | 0.03 | 0.10 | 2.73 | 0.81 | 1.17 | 12.23 | a | |||||||||||
1951 | 0.96 | 0.60 | 0.13 | 0.36 | e | 0.57 | 1.19 | 0.16 | 0.31 | 0.56 | 1.29 | 1.12 | a | 0.61 | 7.86 | |||||||||||
1952 | 0.66 | 0.51 | 0.41 | 0.42 | 0.52 | 0.91 | 0.00 | 0.07 | 0.16 | 0.03 | 0.23 | 1.00 | h | 3.92 | a | |||||||||||
1953 | 2.35 | 0.25 | 0.23 | 0.83 | 0.63 | a | 0.28 | 0.00 | 0.48 | h | 0.00 | 0.74 | 1.48 | 0.83 | 7.62 | a | ||||||||||
1954 | 0.95 | 0.20 | 0.72 | 0.26 | 0.39 | i | 0.14 | 0.43 | 0.04 | 0.48 | 0.58 | 0.99 | 0.29 | 5.08 | a | |||||||||||
1955 | 0.31 | 0.17 | 0.24 | 0.81 | 0.23 | 0.21 | 0.65 | e | 0.00 | 0.77 | 0.72 | 1.75 | 2.41 | 8.27 | ||||||||||||
1956 | 2.08 | 0.86 | 0.13 | 0.00 | 0.53 | 0.55 | 0.02 | 0.33 | 0.06 | 1.48 | 0.20 | 0.69 | 6.93 | |||||||||||||
1957 | 0.38 | 0.40 | c | 1.89 | 0.54 | 1.03 | 1.90 | 0.10 | 0.02 | 0.83 | 2.57 | 0.62 | 0.81 | 11.09 | ||||||||||||
1958 | 2.10 | 1.63 | a | 0.72 | 1.45 | 0.75 | 0.28 | 0.38 | 0.07 | 0.04 | 0.25 | 1.06 | 1.27 | 10.00 | ||||||||||||
1959 | 2.00 | 0.60 | 0.31 | 0.30 | 0.16 | 0.53 | 0.18 | 0.03 | 0.90 | 0.24 | 0.30 | 0.36 | 5.91 | |||||||||||||
1960 | 0.61 | 0.99 | 0.68 | 0.87 | 1.14 | 0.24 | 0.02 | 0.22 | 0.32 | 0.40 | 1.60 | 0.69 | 7.78 | |||||||||||||
1961 | 0.70 | 3.08 | 1.18 | 1.42 | 1.90 | 0.47 | 0.17 | 0.69 | 0.19 | 0.11 | 0.97 | 0.91 | 11.79 | |||||||||||||
1962 | 0.16 | 0.79 | 0.55 | 0.47 | 2.06 | 0.25 | b | 0.00 | 0.55 | 0.46 | 1.39 | 1.10 | 0.96 | 8.74 | ||||||||||||
1963 | 0.29 | 0.77 | 0.74 | 1.55 | 0.87 | 0.36 | 0.44 | 0.03 | 0.08 | 0.41 | 0.92 | 1.32 | 7.78 | |||||||||||||
1964 | ----- | z | 0.05 | 0.16 | 0.10 | 0.00 | 1.54 | 0.07 | 0.25 | 0.03 | 0.37 | 1.16 | 3.46 | 7.19 | a | |||||||||||
1965 | 1.04 | 0.01 | 0.10 | 0.41 | 0.28 | 0.57 | 0.06 | 0.25 | 0.09 | 0.06 | 1.35 | 0.54 | 4.76 | |||||||||||||
1966 | 0.56 | 0.06 | 0.45 | 0.06 | 0.12 | 0.70 | 1.16 | 0.02 | 0.23 | 0.42 | 2.16 | 1.10 | 7.04 | |||||||||||||
1967 | 0.73 | 0.00 | 0.29 | 1.07 | 0.31 | 0.79 | 0.00 | 0.00 | 0.14 | 0.29 | 0.51 | 0.24 | 4.37 | |||||||||||||
1968 | 0.93 | 0.75 | 0.05 | 0.09 | 0.20 | 0.45 | 0.03 | 0.74 | 0.40 | 1.41 | 1.73 | 0.91 | 7.69 | |||||||||||||
1969 | 1.57 | 0.68 | 0.25 | 0.95 | 0.94 | 0.23 | 0.00 | 0.00 | 0.57 | 0.14 | 0.32 | 1.59 | 7.24 | |||||||||||||
1970 | 2.94 | 1.16 | 0.21 | 0.36 | 0.26 | 0.15 | 0.09 | 0.00 | 0.15 | 0.48 | 1.03 | 0.65 | 7.48 | |||||||||||||
1971 | 0.94 | 0.12 | 1.35 | 0.27 | 0.36 | 1.32 | 0.20 | 0.20 | 1.19 | 0.29 | 0.72 | 1.25 | 8.21 | |||||||||||||
1972 | 0.11 | 0.08 | 1.07 | 0.12 | 2.29 | 1.52 | 0.27 | 0.16 | 0.24 | 0.21 | 0.45 | 1.46 | 7.98 | |||||||||||||
1973 | 0.84 | 0.32 | 0.23 | 0.06 | 0.45 | 0.13 | 0.00 | 0.02 | 0.56 | 1.59 | 2.74 | 2.75 | 9.69 | |||||||||||||
1974 | 0.66 | 0.54 | 0.62 | 1.44 | 0.42 | 0.20 | 0.75 | 0.00 | 0.01 | 0.22 | 1.03 | 1.20 | 7.09 | |||||||||||||
1975 | 1.44 | 1.04 | 0.36 | a | 0.93 | 0.20 | 0.06 | 0.40 | 1.13 | 0.00 | 1.15 | 0.70 | 1.13 | 8.54 | ||||||||||||
1976 | 0.65 | 0.13 | 0.18 | 0.63 | 0.29 | 0.01 | 0.43 | 0.79 | 0.04 | 0.16 | 0.00 | 0.17 | 3.48 | |||||||||||||
1977 | 0.11 | 0.64 | 0.48 | 0.02 | 0.69 | 0.27 | 0.11 | 1.53 | 0.74 | 0.11 | 0.62 | 2.37 | 7.69 | |||||||||||||
1978 | 2.25 | 0.80 | 0.33 | 0.88 | 0.63 | 0.14 | 0.71 | 1.10 | 0.22 | 0.00 | 0.54 | 0.23 | 7.83 | |||||||||||||
1979 | 0.95 | 0.23 | 0.40 | 0.55 | 0.16 | 0.00 | 0.27 | 0.68 | 0.26 | 1.71 | 1.45 | 0.71 | 7.37 | |||||||||||||
1980 | 1.56 | b | 1.39 | 0.49 | 0.84 | 1.49 | 0.84 | 0.02 | 0.00 | 1.04 | 0.47 | 0.60 | 2.19 | 10.93 | ||||||||||||
1981 | 0.49 | 0.70 | 0.31 | 0.10 | 0.99 | 0.79 | 0.15 | 0.05 | 0.72 | 0.62 | 0.99 | 1.90 | c | 7.81 | ||||||||||||
1982 | 0.49 | d | 0.22 | 0.68 | 1.33 | 0.36 | 1.61 | 0.04 | 0.42 | 1.33 | 2.05 | 0.66 | 1.49 | 10.68 | ||||||||||||
1983 | 1.47 | a | 1.52 | 1.08 | 0.81 | 0.66 | 0.74 | 0.69 | 0.67 | 0.34 | 0.96 | 2.44 | 1.96 | a | 13.34 | |||||||||||
1984 | 0.11 | 0.86 | 1.03 | ----- | z | 0.79 | 0.83 | 0.00 | 0.02 | 0.90 | 0.12 | 2.20 | 0.59 | 7.45 | a | |||||||||||
1985 | 0.39 | 0.65 | 0.55 | 0.10 | 0.61 | 0.50 | 0.00 | 0.27 | 0.99 | 0.51 | 0.75 | 0.74 | 6.06 | |||||||||||||
1986 | 1.85 | 1.05 | 1.07 | 0.19 | ----- | z | ----- | z | ----- | z | 0.07 | 1.81 | 0.62 | 0.63 | 1.32 | 8.61 | c | |||||||||
1987 | 0.80 | ----- | z | 1.53 | 0.39 | 0.19 | b | 0.62 | 0.06 | 0.04 | 0.12 | 0.00 | 0.55 | 2.06 | 6.36 | a | ||||||||||
1988 | 1.07 | 0.00 | 0.63 | 1.18 | 0.53 | 0.55 | a | 0.15 | 0.00 | 0.54 | 0.04 | 1.59 | b | 0.40 | 6.68 | |||||||||||
1989 | 0.35 | 0.58 | b | 1.78 | ----- | z | 0.55 | b | 0.06 | 0.05 | 0.99 | ----- | z | 0.71 | 0.77 | d | 0.50 | 6.34 | b | |||||||
1990 | 0.89 | 0.38 | 0.23 | 0.62 | 0.80 | 0.59 | 0.04 | 1.11 | a | 0.00 | ----- | z | 0.07 | 0.60 | 5.33 | a | ||||||||||
1991 | 0.44 | 0.96 | b | 0.56 | d | 0.33 | 0.81 | 1.25 | 0.24 | 0.05 | 0.00 | 0.61 | 2.00 | 0.84 | 8.09 | |||||||||||
1992 | ----- | z | ----- | z | ----- | z | 2.19 | 0.02 | 1.18 | a | 0.48 | 0.42 | 0.30 | 0.64 | 1.33 | b | 0.83 | 7.39 | c | |||||||
1993 | 1.23 | 0.66 | a | ----- | z | 0.88 | d | 0.38 | 0.54 | 0.32 | 0.12 | 0.00 | 0.05 | 0.19 | 0.90 | 5.27 | a | |||||||||
1994 | 1.01 | 0.86 | 0.13 | ----- | z | 1.08 | 0.74 | 0.37 | 0.13 | a | ----- | z | ----- | z | ----- | z | ----- | z | 4.32 | e | ||||||
1995 | ----- | z | ----- | z | ----- | z | ----- | z | 0.41 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.41 | k | |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.29 | 1.35 | 1.16 | 1.92 | g | 2.80 | i | |||
1997 | 1.73 | 0.56 | a | 1.36 | a | 0.83 | 0.28 | 0.49 | 0.52 | 0.18 | b | 0.86 | 0.80 | a | 0.80 | 0.50 | 8.91 | |||||||||
1998 | 1.45 | 1.04 | ----- | z | 0.33 | 1.26 | 0.23 | 0.55 | 0.27 | ----- | z | 0.10 | 1.55 | 1.19 | 7.97 | b | ||||||||||
1999 | 0.93 | 1.64 | 0.17 | 0.00 | 0.41 | 0.10 | 0.03 | 0.12 | 0.00 | 0.71 | 0.71 | 1.28 | 6.10 | |||||||||||||
2000 | 0.80 | e | 1.59 | 1.12 | 0.03 | 1.21 | 0.84 | 0.00 | 0.00 | 0.51 | 0.42 | 1.28 | 0.27 | 8.07 | ||||||||||||
2001 | 0.53 | b | 0.16 | c | 0.81 | 0.79 | 0.43 | 0.60 | 0.15 | 0.15 | 0.08 | 0.61 | 1.75 | 1.27 | 7.33 | |||||||||||
2002 | 0.56 | 0.83 | 0.30 | 0.02 | 0.76 | 0.67 | 0.19 | 0.00 | 0.05 | 0.10 | 0.43 | 2.83 | 6.74 | |||||||||||||
2003 | 2.06 | 1.25 | 0.66 | 1.17 | 0.16 | 0.00 | 0.00 | 0.58 | 0.16 | 0.20 | 0.63 | 1.97 | 8.84 | |||||||||||||
2004 | 2.43 | 1.34 | 0.32 | 0.25 | 1.02 | 1.54 | 0.06 | 1.40 | 0.27 | 0.88 | 0.17 | 0.99 | 10.67 | |||||||||||||
2005 | 0.84 | 0.00 | a | 0.91 | 0.75 | 0.73 | 0.21 | a | 0.42 | 0.05 | 0.00 | 1.21 | 1.45 | 2.80 | 9.37 | |||||||||||
2006 | 2.16 | 0.53 | 0.78 | 1.11 | 0.62 | 1.63 | 0.00 | 0.00 | 0.15 | 0.96 | 0.89 | 1.96 | 10.79 | |||||||||||||
2007 | 0.52 | 0.80 | 1.16 | 0.68 | 0.36 | 0.16 | 0.11 | 0.35 | 0.26 | 1.10 | 0.88 | a | 2.38 | b | 8.76 | |||||||||||
2008 | 1.51 | 0.59 | 0.57 | 0.23 | 0.70 | 0.80 | 0.00 | ----- | z | 0.15 | 0.24 | 0.75 | ----- | z | 5.54 | b | ||||||||||
2009 | ----- | z | ----- | z | ----- | z | ----- | z | 0.66 | 0.15 | ----- | z | 0.06 | 0.10 | 1.58 | 0.42 | 0.33 | 3.30 | e | |||||||
2010 | ----- | z | 0.97 | 0.15 | 0.71 | ----- | z | 1.53 | 0.29 | 0.00 | 1.70 | 1.00 | 0.87 | a | 2.19 | 9.41 | b | |||||||||
2011 | ----- | z | ----- | z | 1.56 | n | ----- | z | 1.74 | u | 0.20 | y | ----- | z | ----- | z | ----- | z | 0.69 | x | ----- | z | ----- | z | 0.00 | l |
2012 | 0.50 | y | ----- | z | 1.06 | y | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.00 | 1.76 | 1.37 | a | 2.06 | 5.19 | g | |||
2013 | 0.10 | 0.09 | 0.56 | ----- | z | 1.33 | b | 1.58 | 0.00 | 0.12 | 0.89 | a | 0.27 | d | 0.37 | 0.12 | a | 5.43 | a | |||||||
2014 | 0.00 | a | 0.98 | 0.66 | 0.69 | 0.41 | 0.30 | 0.20 | 0.31 | 0.08 | 0.46 | 0.33 | 1.07 | 5.49 | ||||||||||||
2015 | 0.53 | 0.66 | 0.50 | 0.12 | 1.95 | 0.00 | 0.00 | 0.00 | a | 0.07 | a | 0.23 | 0.85 | a | 2.46 | a | 7.37 | |||||||||
2016 | 1.96 | 0.55 | a | 0.98 | 0.25 | b | 0.50 | a | 0.35 | 0.38 | 0.06 | a | 0.31 | b | 2.74 | 0.71 | 0.82 | 9.61 | ||||||||
2017 | 0.49 | c | 2.13 | 1.15 | 1.47 | 1.41 | 0.15 | 0.00 | 0.10 | 0.61 | 1.06 | 1.23 | 0.42 | 10.22 | ||||||||||||
2018 | 1.42 | 0.51 | a | 0.39 | a | 1.23 | 0.23 | c | 0.17 | a | 0.00 | a | 0.05 | 0.00 | a | 1.14 | a | 0.51 | 0.83 | 6.48 | ||||||
2019 | 1.33 | 1.47 | 0.29 | a | 0.75 | b | 1.05 | 0.14 | 0.45 | 0.52 | 0.25 | 0.56 | 0.09 | 0.55 | 7.45 | |||||||||||
2020 | 1.24 | 0.04 | 0.42 | 0.09 | 0.87 | 0.33 | a | 0.00 | 0.00 | 0.00 | 0.22 | 1.12 | 0.45 | a | 4.78 | |||||||||||
2021 | 0.83 | 0.14 | c | 0.04 | 0.03 | 0.00 | 0.17 | 0.00 | 0.04 | 0.76 | 0.81 | 1.57 | 0.87 | 5.26 | ||||||||||||
2022 | 0.48 | 0.07 | c | 0.63 | 1.40 | 1.70 | 1.22 | a | 0.00 | 0.00 | 0.20 | 0.74 | 1.12 | 1.54 | 9.10 | |||||||||||
2023 | 0.74 | 0.51 | 0.72 | 0.93 | 0.30 | 0.18 | 0.12 | 0.09 | 0.30 | 0.90 | 1.12 | 1.96 | 7.87 | |||||||||||||
2024 | 1.94 | b | 0.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.84 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.98 | 0.72 | 0.60 | 0.59 | 0.64 | 0.63 | 0.18 | 0.24 | 0.39 | 0.75 | 0.95 | 1.16 | 7.88 | |||||||||||||
S.D. | 0.65 | 0.57 | 0.42 | 0.47 | 0.52 | 0.56 | 0.23 | 0.34 | 0.40 | 0.64 | 0.59 | 0.76 | 2.04 | |||||||||||||
SKEW | 0.74 | 1.78 | 0.82 | 0.89 | 1.15 | 1.10 | 1.57 | 1.85 | 1.41 | 1.28 | 0.59 | 0.80 | 0.22 | |||||||||||||
MAX | 2.94 | 3.18 | 1.89 | 2.19 | 2.29 | 2.73 | 1.16 | 1.53 | 1.81 | 2.74 | 2.74 | 3.46 | 13.34 | |||||||||||||
MIN | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 3.48 | |||||||||||||
YRS | 89 | 90 | 90 | 87 | 92 | 92 | 90 | 92 | 90 | 92 | 93 | 92 | 72 |