YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.07 | 0.09 | 0.66 | 0.16 | 1.67 | 0.48 | ----- | z | |||||||
1960 | 0.21 | 0.13 | 0.00 | 0.20 | 0.00 | 0.00 | 0.55 | 0.02 | 0.45 | 0.00 | 0.14 | 0.24 | 0.55 | |||||||||||||
1961 | 0.44 | 0.00 | 0.16 | 0.00 | 0.00 | 0.00 | 0.00 | 1.17 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1962 | 0.61 | 0.22 | b | 0.08 | 0.00 | 0.16 | 0.00 | 0.00 | 0.00 | 0.13 | 0.68 | 0.00 | 0.23 | 0.68 | b | |||||||||||
1963 | 0.29 | 0.50 | 0.16 | 0.08 | 0.00 | 0.03 | 0.00 | 0.06 | 1.86 | 1.33 | 0.28 | 0.03 | 1.86 | |||||||||||||
1964 | 0.19 | 0.02 | 0.42 | 0.04 | 0.02 | 0.00 | 0.22 | ----- | z | 0.02 | 0.02 | 0.07 | 0.00 | ----- | z | |||||||||||
1965 | 0.01 | 0.00 | 0.37 | 0.34 | 0.00 | 0.00 | 0.00 | ----- | z | 0.15 | 0.00 | 1.24 | 0.73 | ----- | z | |||||||||||
1966 | 0.05 | 0.04 | 0.10 | 0.00 | 0.00 | 0.00 | 0.18 | 0.01 | 0.10 | 0.40 | 0.18 | 0.76 | 0.76 | |||||||||||||
1967 | 0.12 | 0.00 | 0.01 | 0.22 | 0.00 | 0.00 | 1.27 | 0.89 | 0.53 | 0.00 | 0.27 | 0.50 | 1.27 | |||||||||||||
1968 | 0.03 | 0.03 | 1.09 | 0.20 | 0.00 | 0.00 | 1.10 | 0.00 | 0.00 | 0.40 | 0.00 | 0.50 | 1.10 | |||||||||||||
1969 | 1.07 | 0.50 | 0.70 | 0.00 | 0.80 | 0.00 | 0.28 | 0.00 | 0.50 | 0.00 | 0.60 | 0.00 | 1.07 | |||||||||||||
1970 | 0.50 | 0.68 | 0.15 | 0.00 | 0.00 | 0.10 | 0.50 | 0.50 | 0.00 | 0.15 | 0.28 | 0.90 | 0.90 | |||||||||||||
1971 | 0.00 | 0.60 | 0.00 | 0.10 | 1.70 | 0.00 | 0.15 | ----- | z | 0.00 | 0.00 | 0.10 | 1.10 | ----- | z | |||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.76 | 0.12 | 0.76 | |||||||||||||
1973 | 0.41 | 1.59 | 0.64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.12 | 0.00 | 1.59 | |||||||||||||
1974 | 0.85 | 0.00 | 0.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.26 | 0.35 | ----- | z | |||
2009 | 0.00 | 0.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.90 | 0.55 | 0.90 | |||||||||||||
2010 | 1.79 | 0.22 | 0.30 | 0.05 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.05 | 1.25 | 1.79 | |||||||||||||
2011 | 0.00 | 0.50 | 0.12 | 0.05 | 0.00 | 0.00 | 0.24 | 0.67 | 0.11 | 0.01 | 0.07 | 0.04 | 0.67 | |||||||||||||
2012 | 0.01 | 0.43 | 0.14 | 0.07 | 0.00 | 0.00 | 0.23 | 0.83 | 0.00 | 0.00 | 0.00 | 0.08 | 0.83 | |||||||||||||
2013 | 0.56 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.48 | 0.66 | 0.10 | 0.00 | 0.27 | 0.45 | 0.66 | |||||||||||||
2014 | 0.00 | 0.02 | 0.73 | 0.10 | 0.00 | 0.00 | 0.05 | 0.15 | 0.16 | 0.00 | 0.00 | 0.19 | 0.73 | |||||||||||||
2015 | 0.24 | 0.22 | 0.37 | 0.00 | 0.00 | 0.02 | 1.10 | 0.16 | 0.30 | 0.65 | 0.01 | 0.01 | 1.10 | |||||||||||||
2016 | 0.51 | 0.51 | 0.03 | 0.65 | 0.00 | 0.00 | 0.00 | 0.35 | 0.43 | 0.32 | 0.07 | 1.30 | 1.30 | |||||||||||||
2017 | 0.80 | 0.33 | 0.00 | 0.00 | 0.36 | 0.00 | 0.01 | 0.58 | 0.64 | 0.00 | 0.00 | 0.06 | 0.80 | |||||||||||||
2018 | 0.95 | 0.00 | 0.20 | 0.00 | 0.11 | 0.00 | 0.12 | 0.02 | 0.00 | 1.67 | 0.02 | 0.37 | 1.67 | |||||||||||||
2019 | 0.47 | 1.00 | 0.28 | 0.04 | 0.28 | 0.00 | 0.81 | 0.00 | 0.12 | 0.00 | 0.44 | 0.66 | 1.00 | |||||||||||||
2020 | 0.00 | 0.02 | a | 1.00 | 0.87 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.14 | 0.23 | 1.00 | a | |||||||||||
2021 | 0.77 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 1.01 | 0.09 | 0.14 | 0.07 | 0.00 | 0.83 | 1.01 | |||||||||||||
2022 | 0.00 | 0.05 | 0.00 | 0.00 | a | 0.00 | 0.01 | 0.08 | 0.40 | 1.00 | 0.23 | 0.24 | 0.16 | 1.00 | a | |||||||||||
2023 | 0.38 | 0.12 | j | 0.73 | 0.00 | 0.16 | 0.02 | 0.00 | 0.83 | 0.00 | 0.00 | b | 0.50 | 0.20 | 0.83 | l | ||||||||||
2024 | 0.45 | 0.30 | 0.20 | 0.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.38 | 0.27 | 0.28 | 0.10 | 0.13 | 0.01 | 0.28 | 0.28 | 0.25 | 0.22 | 0.29 | 0.41 | 1.04 | |||||||||||||
S.D. | 0.41 | 0.36 | 0.31 | 0.20 | 0.35 | 0.02 | 0.39 | 0.35 | 0.40 | 0.40 | 0.40 | 0.38 | 0.37 | |||||||||||||
SKEW | 1.44 | 1.92 | 1.16 | 2.67 | 3.68 | 4.14 | 1.37 | 1.03 | 2.54 | 2.37 | 2.04 | 0.86 | 0.92 | |||||||||||||
MAX | 1.79 | 1.59 | 1.09 | 0.87 | 1.70 | 0.10 | 1.27 | 1.17 | 1.86 | 1.67 | 1.67 | 1.30 | 1.86 | |||||||||||||
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 | 0.55 | |||||||||||||
YRS | 31 | 30 | 31 | 29 | 29 | 30 | 30 | 27 | 30 | 30 | 30 | 30 | 24 |