YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.43 | s | ----- | z | ----- | z | 2.10 | y | 1.81 | s | ----- | z | 0.15 | 0.15 | k | |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | 1.85 | x | 1.13 | s | 5.36 | o | 1.82 | w | 2.53 | a | 3.82 | 1.08 | ----- | z | 7.43 | i | ||
1932 | 0.29 | v | 0.22 | x | 0.37 | s | 2.70 | 2.37 | 3.29 | 2.84 | 2.69 | 0.61 | 2.73 | 0.83 | 0.05 | 18.11 | c | |||||||||
1933 | 0.59 | 0.06 | 0.44 | 0.48 | 3.22 | 0.91 | 1.12 | 0.97 | 1.38 | 0.49 | 0.72 | 1.38 | 11.76 | |||||||||||||
1934 | 0.18 | 0.13 | 0.20 | 0.71 | 0.23 | 3.68 | a | 1.02 | a | 0.46 | 1.24 | 2.05 | 0.35 | 0.30 | 10.55 | |||||||||||
1935 | 0.38 | 0.07 | 0.89 | 1.36 | 2.65 | 2.28 | 4.76 | 3.86 | 0.66 | 0.17 | 0.80 | 0.33 | 18.21 | |||||||||||||
1936 | 0.30 | 0.96 | 0.51 | 0.16 | 0.11 | 3.13 | 0.24 | 1.29 | 0.95 | 0.04 | 0.12 | a | 0.10 | 7.91 | ||||||||||||
1937 | 0.55 | 0.47 | 0.15 | 2.36 | 2.45 | 3.09 | 3.04 | 1.59 | 0.92 | 0.56 | 0.36 | 0.35 | 15.89 | |||||||||||||
1938 | 0.10 | 0.77 | 0.48 | 1.10 | 3.03 | 0.93 | 3.41 | 2.99 | 0.16 | 0.33 | 0.67 | 0.36 | a | 14.33 | ||||||||||||
1939 | 0.18 | 1.11 | 0.50 | 0.77 | 1.02 | 3.79 | 3.08 | 1.74 | 0.94 | 0.72 | 0.04 | 0.33 | 14.22 | |||||||||||||
1940 | 0.07 | 0.62 | 0.96 | 1.25 | 1.59 | 0.79 | 5.32 | 3.49 | 1.00 | 1.10 | 0.59 | 0.58 | 17.36 | |||||||||||||
1941 | 0.71 | 0.08 | 0.56 | 2.41 | 2.53 | 5.10 | 1.11 | 2.17 | a | 5.57 | 2.41 | 0.12 | 0.11 | 22.88 | ||||||||||||
1942 | 0.06 | 0.05 | 2.49 | 1.75 | 2.86 | 1.75 | 3.52 | 3.76 | 1.19 | 0.08 | 0.12 | 0.54 | 18.17 | |||||||||||||
1943 | 0.29 | 0.54 | 1.07 | 2.03 | 2.56 | 3.54 | 4.12 | 1.08 | 1.29 | 0.74 | 0.40 | 0.14 | 17.80 | |||||||||||||
1944 | 0.03 | 0.09 | 0.95 | 0.40 | 2.17 | 3.84 | 0.96 | 5.50 | 1.99 | 0.03 | 2.21 | 0.02 | 18.19 | |||||||||||||
1945 | ----- | z | ----- | z | 0.68 | 0.59 | 1.37 | 2.85 | 3.23 | 1.25 | 2.72 | 0.47 | 0.08 | 0.82 | 14.06 | b | ||||||||||
1946 | 0.12 | 0.24 | 0.36 | 0.43 | 1.69 | 5.82 | 0.29 | 3.06 | 4.25 | 2.08 | 0.14 | 0.12 | 18.60 | |||||||||||||
1947 | 0.41 | 0.50 | 0.10 | 1.02 | 1.28 | 2.73 | 0.99 | 5.71 | 3.05 | 2.23 | 1.09 | 0.38 | 19.49 | |||||||||||||
1948 | 0.34 | 1.73 | 1.12 | 1.78 | 2.33 | 4.26 | 4.27 | 2.27 | 0.35 | 1.01 | 1.06 | 1.23 | 21.75 | |||||||||||||
1949 | ----- | z | 0.63 | 0.91 | 0.12 | 1.77 | 3.97 | 4.88 | 1.02 | 0.52 | 3.90 | 0.37 | 1.23 | 19.32 | a | |||||||||||
1950 | ----- | z | 0.11 | ----- | z | 1.51 | 3.86 | 3.28 | 0.98 | 0.97 | 4.20 | 0.40 | 0.57 | 0.51 | 16.39 | b | ||||||||||
1951 | 0.58 | 0.81 | 0.52 | 0.22 | 0.36 | 1.68 | 2.63 | 5.29 | 1.37 | 0.36 | 0.40 | 0.46 | 14.68 | |||||||||||||
1952 | 0.89 | 0.08 | 0.40 | 0.03 | 0.51 | 2.44 | 5.11 | 2.40 | 0.71 | 0.05 | 0.25 | 0.25 | 13.12 | |||||||||||||
1953 | 0.33 | 0.31 | 0.35 | 2.61 | 3.12 | 5.28 | 1.49 | 1.45 | 1.66 | 1.65 | 0.16 | 0.61 | 19.02 | |||||||||||||
1954 | 1.18 | 0.24 | 0.65 | 1.47 | 2.44 | 3.40 | 1.12 | 3.49 | 3.08 | 0.54 | 0.73 | 0.03 | 18.37 | |||||||||||||
1955 | 0.30 | 0.54 | 0.98 | 0.92 | 3.33 | 5.76 | 2.06 | 2.15 | 2.08 | 1.36 | 1.08 | 0.44 | 21.00 | |||||||||||||
1956 | 1.08 | 0.56 | 1.83 | 0.21 | 1.59 | 5.10 | 1.94 | ----- | z | 0.00 | t | 1.41 | 1.48 | 0.37 | 15.57 | b | ||||||||||
1957 | 0.20 | 0.34 | 0.12 | 0.56 | 2.37 | 2.97 | 1.77 | 4.24 | 5.66 | 1.57 | 0.36 | 0.09 | 20.25 | |||||||||||||
1958 | 0.13 | 0.14 | 0.11 | 0.98 | 1.00 | 3.10 | 3.41 | 0.90 | 1.16 | 0.44 | 1.75 | 0.22 | 13.34 | |||||||||||||
1959 | 0.33 | 0.65 | 0.02 | 0.21 | 3.45 | 2.53 | 2.73 | 1.96 | 1.60 | 3.13 | 0.73 | 0.21 | 17.55 | |||||||||||||
1960 | 0.61 | 0.20 | 0.21 | 0.96 | 2.58 | 2.10 | 0.49 | 5.03 | 0.48 | 1.08 | 0.19 | 0.83 | 14.76 | |||||||||||||
1961 | 0.24 | 0.41 | 0.15 | 0.91 | 0.83 | 2.29 | 6.21 | 2.05 | 3.52 | 1.02 | 0.23 | 0.45 | 18.31 | |||||||||||||
1962 | 0.59 | 0.44 | 1.08 | 0.39 | 5.90 | 4.73 | 2.71 | 1.41 | 1.91 | 0.55 | 1.20 | 0.45 | 21.36 | |||||||||||||
1963 | 0.03 | 0.48 | 0.27 | 1.33 | 1.99 | 2.85 | 3.36 | 0.51 | 0.69 | 0.31 | 0.36 | 0.78 | 12.96 | |||||||||||||
1964 | 0.24 | 0.30 | 0.83 | 2.23 | 1.27 | ----- | z | ----- | z | ----- | z | 1.31 | w | 0.61 | 0.36 | 0.31 | 6.15 | d | ||||||||
1965 | 0.08 | 0.00 | 0.27 | 2.17 | 3.89 | 1.98 | 2.97 | 1.54 | 5.61 | 1.04 | 0.95 | 0.28 | 20.78 | |||||||||||||
1966 | 0.44 | 0.30 | 2.34 | 2.48 | 1.47 | 3.35 | 4.54 | 3.04 | 0.50 | 1.39 | 0.28 | 0.57 | 20.70 | |||||||||||||
1967 | 1.38 | 0.30 | 0.25 | 2.47 | 0.73 | 1.36 | 1.45 | 0.65 | 1.27 | 1.51 | 0.22 | 0.77 | 12.36 | |||||||||||||
1968 | 0.61 | 0.33 | 1.03 | 1.39 | 1.20 | 3.33 | 3.56 | 4.64 | 1.97 | 0.51 | 0.00 | a | 0.44 | 19.01 | ||||||||||||
1969 | 1.23 | 0.52 | 0.08 | c | 0.28 | 1.42 | 4.12 | 2.60 | 0.47 | 2.17 | 1.85 | 0.20 | 0.50 | 15.44 | ||||||||||||
1970 | 0.56 | 0.37 | 0.07 | 2.52 | 2.90 | 2.98 | 4.28 | 1.30 | 1.36 | 1.15 | 1.24 | ----- | z | 18.73 | a | |||||||||||
1971 | ----- | z | ----- | z | 2.33 | 0.75 | 1.22 | 6.09 | 3.06 | 2.86 | 2.28 | 2.15 | 0.09 | 0.00 | 20.83 | b | ||||||||||
1972 | 0.40 | 0.90 | a | 0.92 | 0.95 | 3.71 | 1.85 | 1.75 | 2.24 | 2.86 | 0.97 | 0.17 | ----- | z | 16.72 | a | ||||||||||
1973 | 0.00 | 0.00 | 0.95 | 0.37 | 1.78 | 2.55 | 1.76 | 2.15 | 4.28 | 2.14 | 0.75 | 0.64 | 17.37 | |||||||||||||
1974 | 0.53 | 0.29 | j | 0.22 | 3.64 | 5.62 | 1.84 | 4.08 | 3.39 | 0.77 | 0.91 | 0.47 | 0.30 | 21.77 | a | |||||||||||
1975 | 0.69 | 0.14 | 1.82 | 1.42 | 0.76 | 5.46 | 1.52 | 1.46 | 1.12 | 1.22 | 1.13 | 0.18 | 16.92 | |||||||||||||
1976 | 0.75 | 0.22 | 1.21 | 2.26 | 0.80 | 2.98 | 0.95 | 2.52 | 0.43 | 0.11 | 0.00 | 0.63 | 12.86 | |||||||||||||
1977 | 1.15 | 0.61 | 2.05 | 0.14 | 3.48 | 1.95 | 3.72 | 2.08 | 3.62 | 1.17 | 3.19 | ----- | z | 23.16 | a | |||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.80 | m | 3.35 | 2.63 | 1.99 | 0.32 | 1.01 | 1.01 | 10.31 | f | ||||||
1979 | 0.75 | 0.86 | 1.62 | 4.82 | 2.23 | 2.78 | 3.10 | 1.00 | 0.97 | 0.19 | 1.47 | 0.00 | 19.79 | |||||||||||||
1980 | 1.60 | ----- | z | 0.29 | 0.00 | 0.81 | 2.79 | 2.18 | 5.69 | 3.45 | 1.61 | 0.85 | 0.33 | 19.60 | a | |||||||||||
1981 | 0.34 | 0.58 | 0.62 | 2.04 | 1.93 | 6.91 | 1.66 | 2.64 | 3.21 | 2.80 | 0.55 | 0.43 | 23.71 | |||||||||||||
1982 | 2.48 | 0.33 | 1.50 | a | 0.82 | 3.28 | 4.84 | 3.72 | 1.57 | 1.52 | 4.75 | 0.98 | a | 0.30 | a | 26.09 | ||||||||||
1983 | 1.11 | 0.83 | 1.08 | 0.12 | 1.37 | 2.72 | 2.38 | 4.38 | 3.43 | 1.85 | 1.38 | 0.35 | 21.00 | |||||||||||||
1984 | 1.21 | 0.75 | 1.17 | 1.86 | 0.55 | 3.23 | 3.12 | 0.66 | a | 0.70 | 3.57 | 0.42 | 1.18 | 18.42 | ||||||||||||
1985 | 0.41 | 0.42 | 1.55 | 1.11 | 4.88 | 3.14 | 0.45 | 5.43 | 3.34 | 5.06 | 2.43 | 1.48 | 29.70 | |||||||||||||
1986 | 0.32 | a | 0.33 | 0.05 | 3.53 | 1.16 | 1.60 | 6.88 | a | 3.05 | 3.73 | 0.43 | 1.89 | 0.75 | 23.72 | |||||||||||
1987 | 0.66 | 2.05 | 2.07 | 0.09 | 3.75 | 3.20 | 6.84 | 3.04 | 0.51 | 0.20 | 0.12 | 0.97 | 23.50 | |||||||||||||
1988 | 0.64 | a | 0.07 | a | 0.51 | 0.00 | 2.32 | 1.16 | 3.31 | 1.41 | 1.32 | 0.37 | 0.61 | 0.71 | 12.43 | |||||||||||
1989 | 1.02 | 0.00 | 1.66 | 0.20 | a | 2.21 | 2.59 | 0.92 | 3.05 | 1.13 | 0.17 | 0.26 | d | 0.08 | 13.29 | |||||||||||
1990 | 0.18 | 0.21 | 1.63 | 1.36 | 0.67 | 5.10 | 1.04 | 2.16 | 1.33 | 0.29 | 0.10 | 0.44 | 14.51 | |||||||||||||
1991 | 0.20 | 0.38 | 0.12 | a | 2.60 | 3.63 | 5.41 | 4.30 | 3.86 | 3.58 | 2.17 | 0.56 | 0.20 | 27.01 | ||||||||||||
1992 | 0.39 | 0.20 | 0.26 | 0.73 | 1.31 | 3.39 | 2.56 | 3.23 | 1.60 | 0.20 | 1.04 | 0.38 | b | 15.29 | ||||||||||||
1993 | 0.17 | 0.06 | a | 0.28 | 0.37 | 3.41 | 5.20 | 7.13 | 4.07 | 0.16 | 0.44 | 0.34 | a | 0.48 | 22.11 | |||||||||||
1994 | 0.53 | 0.27 | 0.21 | 0.13 | 2.24 | 4.36 | 2.47 | 2.47 | 3.67 | 3.67 | 1.29 | 0.26 | 21.57 | |||||||||||||
1995 | 0.35 | 0.24 | 1.94 | a | 0.06 | 1.46 | 3.70 | 4.94 | 3.25 | 1.63 | 1.43 | 1.23 | 0.97 | 21.20 | ||||||||||||
1996 | 0.84 | 0.27 | 0.42 | 0.30 | 2.01 | 3.17 | 3.45 | 0.43 | 2.82 | 0.72 | 1.74 | a | 0.67 | 16.84 | ||||||||||||
1997 | 0.71 | c | 0.16 | b | 0.07 | 1.63 | a | 0.96 | 2.84 | 8.02 | 1.15 | 3.30 | 1.70 | a | 0.11 | d | 0.06 | b | 20.71 | |||||||
1998 | 0.61 | b | 0.98 | 0.16 | 0.98 | 2.05 | 5.40 | 2.45 | 1.19 | 0.38 | 3.73 | 0.55 | 0.33 | b | 18.81 | |||||||||||
1999 | 0.74 | e | 0.27 | a | 0.64 | 1.13 | 4.93 | 3.67 | 3.37 | 5.34 | 2.19 | 0.00 | 0.00 | a | 0.15 | 22.43 | ||||||||||
2000 | 0.16 | 0.74 | b | 0.40 | a | 0.45 | 1.00 | 6.91 | 3.14 | 2.76 | 1.45 | 1.93 | 2.08 | 0.59 | b | 21.61 | ||||||||||
2001 | 2.00 | a | 0.27 | 0.00 | 1.02 | a | 2.46 | 3.06 | 4.61 | 1.91 | 0.83 | 2.69 | a | 0.16 | 0.15 | a | 19.16 | |||||||||
2002 | 0.09 | a | 0.02 | c | 0.42 | b | 0.93 | b | 1.82 | a | 5.88 | 2.30 | 3.49 | 1.00 | 0.91 | a | 0.25 | a | 0.60 | 17.71 | ||||||
2003 | 0.53 | 0.12 | c | 0.69 | 0.79 | 4.06 | 4.00 | 4.98 | v | 1.69 | 1.08 | 0.48 | a | 0.57 | a | 0.65 | b | 14.66 | a | |||||||
2004 | 0.64 | d | 0.41 | 3.17 | c | 0.76 | b | 5.13 | 1.12 | 2.21 | 2.76 | 4.05 | 0.93 | 0.00 | a | 0.62 | c | 21.80 | ||||||||
2005 | 1.30 | b | 0.13 | 0.21 | 0.80 | 3.17 | 5.23 | 2.09 | 2.30 | 0.94 | 1.20 | 1.58 | 1.05 | d | 20.00 | |||||||||||
2006 | 1.01 | a | 0.58 | 0.40 | a | 0.96 | 1.15 | 1.47 | 1.62 | 2.63 | 2.81 | 0.77 | 0.21 | 1.20 | d | 14.81 | ||||||||||
2007 | 0.13 | b | ----- | z | 0.86 | c | 0.61 | b | 5.71 | 3.37 | 4.78 | 3.56 | 0.71 | 1.72 | 0.74 | 1.02 | 23.21 | a | ||||||||
2008 | 0.26 | g | 1.75 | f | 0.48 | c | 0.31 | 0.80 | 2.41 | 3.15 | 3.08 | 2.80 | 3.16 | 0.99 | 1.62 | e | 18.80 | b | ||||||||
2009 | 0.75 | a | 0.60 | b | 1.01 | 1.35 | 1.83 | 4.20 | 0.73 | 2.83 | 3.20 | 2.47 | 0.12 | 1.05 | c | 20.14 | ||||||||||
2010 | 0.16 | b | 0.82 | b | 0.26 | 1.50 | 4.02 | 3.47 | 1.95 | 1.92 | 4.12 | 2.24 | 0.21 | 0.21 | a | 20.88 | ||||||||||
2011 | 0.82 | x | 0.04 | w | ----- | z | 1.33 | r | 2.42 | s | 3.60 | r | 2.63 | u | 3.28 | u | 2.58 | y | 0.51 | y | ----- | z | 0.34 | y | 0.00 | l |
2012 | ----- | z | 0.30 | x | ----- | z | 1.17 | s | 2.25 | u | 2.06 | t | 1.60 | w | ----- | z | 0.17 | 4.16 | b | 1.05 | 0.17 | b | 5.55 | h | ||
2013 | 1.30 | 0.50 | 1.16 | 1.25 | 5.00 | 3.77 | 3.01 | 0.75 | 2.54 | 2.39 | b | 0.20 | 0.66 | a | 22.53 | |||||||||||
2014 | 0.53 | 0.00 | b | 0.14 | 3.03 | w | 3.08 | 4.79 | 2.69 | 4.12 | 0.95 | 0.55 | 0.18 | b | 0.14 | 17.17 | a | |||||||||
2015 | 0.12 | 0.00 | c | 0.12 | b | 0.84 | d | 4.93 | 4.41 | 6.04 | 1.35 | 0.86 | 1.41 | 1.21 | 0.21 | b | 21.50 | |||||||||
2016 | 0.20 | c | 0.13 | b | 0.92 | a | 1.43 | 4.13 | 4.18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.99 | f | |||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.76 | e | 3.20 | a | 0.02 | 0.59 | 0.69 | 8.26 | g | |||
2018 | 0.55 | 0.03 | o | 0.62 | e | 0.11 | c | 3.09 | 3.12 | 3.31 | 0.36 | 2.55 | c | 2.02 | 0.68 | f | 0.30 | 16.03 | b | |||||||
2019 | 0.48 | 1.43 | a | 0.55 | 1.29 | a | 1.86 | a | 3.91 | d | 3.04 | 2.37 | 4.47 | a | 5.51 | g | 0.97 | 0.94 | 21.31 | a | ||||||
2020 | 0.41 | a | 0.06 | k | 0.21 | 0.95 | 1.87 | 2.74 | 8.83 | 2.18 | 0.34 | 0.47 | 0.07 | 0.19 | 18.26 | a | ||||||||||
2021 | 0.31 | 0.14 | r | 0.11 | 0.45 | 1.54 | 3.45 | 0.87 | i | 2.71 | 1.46 | 3.77 | 1.17 | 0.88 | 15.85 | b | ||||||||||
2022 | 0.40 | 0.47 | w | 0.41 | 4.37 | 6.31 | 3.08 | 2.60 | 2.40 | 0.79 | 0.67 | 0.71 | 1.88 | 23.62 | a | |||||||||||
2023 | 0.07 | o | 0.17 | u | 0.63 | 1.39 | a | 0.89 | 7.48 | 0.89 | 1.35 | 3.04 | 1.51 | 0.08 | 0.72 | 17.98 | b | |||||||||
2024 | 0.23 | ----- | z | 0.40 | f | 0.76 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.23 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.55 | 0.43 | 0.74 | 1.18 | 2.38 | 3.48 | 3.00 | 2.50 | 1.99 | 1.41 | 0.69 | 0.52 | 18.45 | |||||||||||||
S.D. | 0.46 | 0.39 | 0.67 | 0.98 | 1.43 | 1.43 | 1.77 | 1.35 | 1.37 | 1.20 | 0.62 | 0.40 | 4.11 | |||||||||||||
SKEW | 1.62 | 1.77 | 1.33 | 1.35 | 0.76 | 0.48 | 0.94 | 0.57 | 0.77 | 1.06 | 1.39 | 1.08 | -0.03 | |||||||||||||
MAX | 2.48 | 2.05 | 3.17 | 4.82 | 6.31 | 7.48 | 8.83 | 5.71 | 5.66 | 5.06 | 3.19 | 1.88 | 29.70 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.79 | 0.24 | 0.36 | 0.16 | 0.00 | 0.00 | 0.00 | 7.91 | |||||||||||||
YRS | 82 | 76 | 86 | 87 | 88 | 87 | 85 | 87 | 89 | 90 | 90 | 88 | 65 |