YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | 1.38 | 1.63 | 1.76 | 0.13 | 1.73 | 0.06 | 1.14 | 7.85 | d | ||||||||
1961 | 0.75 | 0.01 | 0.15 | 0.01 | 0.00 | 1.95 | 0.73 | 1.99 | 1.98 | 0.16 | 1.93 | 1.12 | 10.78 | |||||||||||||
1962 | 1.57 | 0.14 | 0.50 | 0.19 | 0.00 | 0.12 | 4.47 | 0.48 | 2.91 | 0.71 | 0.98 | 1.55 | 13.62 | |||||||||||||
1963 | 0.67 | 0.42 | 0.04 | 0.14 | 0.00 | 0.14 | 3.22 | 3.22 | 0.86 | 1.04 | 0.31 | 0.00 | 10.06 | |||||||||||||
1964 | 0.12 | 0.05 | 0.33 | 0.56 | 0.11 | 0.04 | 1.88 | 2.47 | 4.04 | 0.00 | 0.10 | 0.50 | 10.20 | |||||||||||||
1965 | 0.85 | 0.06 | 0.50 | 0.00 | 0.00 | 0.13 | 2.04 | 2.58 | 2.19 | 0.00 | 0.21 | 2.86 | 11.42 | |||||||||||||
1966 | 0.71 | 0.18 | 0.02 | 0.09 | 0.00 | 2.05 | 1.50 | 2.04 | 1.08 | 0.04 | 0.34 | 0.13 | 8.18 | |||||||||||||
1967 | 0.00 | 0.14 | 0.02 | 0.00 | 0.00 | 1.02 | 1.56 | 3.34 | 1.64 | 0.32 | 0.46 | 1.75 | 10.25 | |||||||||||||
1968 | 0.45 | 1.42 | 0.82 | 0.04 | 0.00 | 0.48 | 3.59 | 1.79 | ----- | z | ----- | z | ----- | z | ----- | z | 8.59 | d | ||||||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.16 | b | 0.50 | a | 0.34 | 0.13 | 0.28 | b | 2.41 | g | ||
2010 | 0.74 | c | 0.53 | 0.16 | c | 0.23 | 0.06 | 0.06 | 2.88 | a | 1.04 | c | 0.68 | 0.15 | a | 0.00 | 0.07 | a | 6.60 | |||||||
2011 | 0.05 | 0.02 | 0.03 | 0.00 | 0.00 | 0.01 | 1.78 | 1.86 | a | 0.43 | 0.50 | k | 0.71 | 2.30 | 7.19 | a | ||||||||||
2012 | 0.20 | 0.28 | a | 0.03 | 0.00 | a | 0.03 | 0.06 | 1.35 | a | 1.40 | 0.33 | 0.00 | 0.08 | 0.07 | 3.83 | ||||||||||
2013 | 0.44 | 0.00 | 0.01 | 0.00 | 0.00 | w | 0.03 | f | 1.79 | 0.61 | 2.22 | 0.00 | 0.28 | 0.38 | 5.73 | b | ||||||||||
2014 | 0.00 | 0.00 | 0.15 | 0.20 | 0.00 | 0.17 | 1.33 | a | 0.62 | 1.83 | 0.48 | 0.05 | 0.52 | 5.35 | ||||||||||||
2015 | 1.43 | 0.01 | 0.31 | 0.12 | 0.11 | 0.97 | 1.92 | 3.91 | 0.92 | 0.47 | c | 0.08 | e | 0.06 | b | 10.31 | ||||||||||
2016 | 0.00 | e | 0.02 | 0.01 | 0.35 | 0.15 | 1.21 | 1.02 | 3.49 | 1.00 | 0.04 | 0.04 | b | 1.19 | f | 7.33 | a | |||||||||
2017 | 2.05 | 0.98 | 0.00 | 0.01 | 0.41 | 0.68 | 1.36 | 4.80 | 0.53 | 0.06 | 0.20 | 0.24 | 11.32 | |||||||||||||
2018 | 0.04 | 1.24 | 0.14 | 0.03 | 0.00 | 0.96 | 2.17 | 0.25 | 1.63 | 2.48 | 0.05 | 0.78 | 9.77 | |||||||||||||
2019 | 0.55 | 0.18 | 0.30 | 0.17 | 0.12 | 0.34 | e | ----- | z | 1.82 | 1.37 | 0.85 | 3.74 | 0.62 | a | 10.06 | a | |||||||||
2020 | 0.21 | 1.06 | 1.09 | 0.03 | 0.00 | 0.45 | 1.31 | 0.31 | 0.33 | 0.44 | 0.22 | 0.01 | a | 5.46 | ||||||||||||
2021 | 0.15 | 0.03 | 0.11 | 0.02 | 0.00 | 0.05 | 2.65 | 3.19 | a | 0.82 | 0.11 | 0.00 | 0.31 | 7.44 | ||||||||||||
2022 | 0.08 | 0.02 | a | 0.20 | 0.00 | 0.00 | 1.76 | 2.20 | 3.67 | 0.67 | 3.05 | 0.00 | 0.92 | 12.57 | ||||||||||||
2023 | 0.40 | 0.33 | 0.08 | 0.00 | 0.61 | 0.00 | 1.17 | 1.69 | 2.45 | 0.52 | 0.29 | 0.89 | 8.43 | |||||||||||||
2024 | 0.69 | 0.79 | 0.07 | 0.11 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.55 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.53 | 0.34 | 0.22 | 0.10 | 0.07 | 0.64 | 1.98 | 2.06 | 1.33 | 0.59 | 0.45 | 0.75 | 9.15 | |||||||||||||
S.D. | 0.55 | 0.44 | 0.28 | 0.14 | 0.15 | 0.67 | 0.90 | 1.25 | 0.97 | 0.82 | 0.84 | 0.78 | 2.70 | |||||||||||||
SKEW | 1.29 | 1.25 | 1.84 | 1.85 | 2.59 | 0.86 | 1.19 | 0.35 | 1.05 | 1.88 | 3.06 | 1.28 | -0.39 | |||||||||||||
MAX | 2.05 | 1.42 | 1.09 | 0.56 | 0.61 | 2.05 | 4.47 | 4.80 | 4.04 | 3.05 | 3.74 | 2.86 | 13.62 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.73 | 0.25 | 0.13 | 0.00 | 0.00 | 0.00 | 3.83 | |||||||||||||
YRS | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 23 | 22 | 23 | 22 | 17 |