YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | 0.13 | 0.03 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | ----- | z | |||||||||||
1963 | 0.14 | 0.10 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.79 | 0.07 | 0.28 | 0.00 | 0.79 | |||||||||||||
1964 | 0.01 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.12 | 0.01 | 0.33 | |||||||||||||
1965 | 0.03 | 0.26 | 0.08 | 0.51 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.85 | 0.85 | |||||||||||||
1966 | 0.13 | 0.09 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.29 | 0.06 | 0.00 | 0.30 | |||||||||||||
1967 | 0.29 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 0.48 | 0.00 | 1.40 | 0.17 | 1.40 | |||||||||||||
1968 | 0.00 | 0.00 | 0.58 | 0.00 | 0.00 | 0.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.60 | |||||||||||||
1969 | 0.60 | 0.07 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.53 | 0.02 | 1.50 | 0.10 | 1.50 | |||||||||||||
1970 | 0.01 | 0.51 | 0.44 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.02 | 0.04 | 0.51 | |||||||||||||
1971 | 0.23 | 0.01 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.22 | 0.44 | 0.14 | 0.00 | 0.03 | 0.44 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 1.57 | 0.27 | 0.00 | 1.57 | |||||||||||||
1973 | 0.05 | 0.21 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.09 | 0.00 | 0.21 | |||||||||||||
1974 | 0.86 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.07 | 0.09 | 0.00 | 0.45 | 0.86 | |||||||||||||
1975 | 0.07 | 0.00 | 0.10 | 0.61 | 0.00 | 0.00 | 0.19 | 0.00 | 0.20 | 0.00 | 0.00 | 0.12 | 0.61 | |||||||||||||
1976 | 0.00 | 0.49 | 0.00 | 0.19 | 0.02 | 0.00 | 0.08 | 0.00 | 2.22 | 0.00 | 0.56 | 0.15 | 2.22 | |||||||||||||
1977 | 0.03 | 0.02 | 0.04 | 0.00 | 0.00 | 0.00 | 0.01 | 2.18 | 0.00 | 0.27 | 0.00 | 0.45 | 2.18 | |||||||||||||
1978 | 0.44 | 0.46 | 0.12 | 0.04 | 0.00 | 0.00 | 0.19 | 0.00 | 0.00 | 0.20 | 0.56 | 0.53 | 0.56 | |||||||||||||
1979 | 0.59 | 0.08 | 0.36 | 0.00 | 0.05 | 0.00 | 0.06 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.59 | |||||||||||||
1980 | 0.72 | 0.39 | 0.59 | 0.22 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.72 | |||||||||||||
1981 | 0.74 | 0.31 | 0.30 | 0.00 | 0.07 | 0.00 | 0.00 | 0.46 | 0.01 | ----- | 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 | 0.00 | 0.00 | 0.21 | 0.02 | 0.00 | ----- | z | |||||
2001 | 0.10 | 0.22 | 0.37 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.37 | |||||||||||||
2002 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.10 | 0.01 | 0.10 | |||||||||||||
2003 | 0.01 | 0.48 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.99 | 0.00 | 0.02 | 0.07 | 0.02 | 0.99 | |||||||||||||
2004 | 0.06 | 1.17 | 0.16 | 0.42 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.84 | 0.62 | 1.17 | |||||||||||||
2005 | 0.37 | 0.46 | 0.13 | 0.00 | 0.00 | 0.00 | 0.08 | 0.28 | 0.00 | r | 1.07 | 0.00 | 0.00 | 1.07 | r | |||||||||||
2006 | 0.00 | 0.00 | 0.33 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.33 | |||||||||||||
2007 | 0.01 | 0.00 | 0.01 | 0.02 | 0.00 | 0.00 | 0.00 | 0.05 | 0.44 | 0.00 | 0.73 | 0.04 | 0.73 | |||||||||||||
2008 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.17 | 0.00 | 0.00 | 0.04 | 0.98 | 0.98 | |||||||||||||
2009 | 0.00 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.32 | 0.32 | |||||||||||||
2010 | 1.10 | 0.25 | 0.66 | 0.07 | a | 0.00 | 0.00 | 0.02 | 0.16 | 0.06 | 1.10 | 0.00 | 0.29 | 1.10 | a | |||||||||||
2011 | 0.00 | 0.38 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.09 | 0.01 | 0.06 | 0.18 | 0.38 | |||||||||||||
2012 | 0.00 | 0.10 | a | 0.00 | 0.06 | 0.00 | 0.00 | 0.91 | 0.00 | 0.02 | 0.00 | 0.00 | 0.39 | 0.91 | a | |||||||||||
2013 | 0.46 | 0.01 | 0.03 | 0.00 | 0.00 | 0.00 | 0.05 | 0.39 | 0.38 | 0.01 | 0.95 | 0.00 | 0.95 | |||||||||||||
2014 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 1.46 | 0.07 | 0.00 | 0.03 | 0.18 | 1.46 | |||||||||||||
2015 | 0.09 | 0.00 | 0.48 | 0.00 | 0.62 | 0.08 | 0.15 | 0.00 | 0.00 | 0.02 | 0.03 | 0.03 | 0.62 | |||||||||||||
2016 | 0.21 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.00 | 0.00 | 0.60 | 0.60 | |||||||||||||
2017 | 0.32 | 0.24 | 0.00 | 0.00 | 0.04 | 0.00 | 0.35 | 0.13 | 0.03 | 0.00 | 0.00 | 0.00 | 0.35 | |||||||||||||
2018 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.77 | 0.02 | 0.00 | 0.51 | 0.77 | |||||||||||||
2019 | 0.16 | 0.06 | 0.07 | 0.02 | 0.01 | 0.00 | 0.00 | 0.00 | 0.44 | 0.00 | 0.31 | 0.12 | a | 0.44 | a | |||||||||||
2020 | 0.00 | 0.00 | a | 0.31 | a | 0.08 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | d | |||||||||
2021 | 0.00 | e | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | b | 0.02 | a | 0.00 | 0.00 | b | 0.02 | k | |||||||
2022 | 0.00 | 0.00 | 0.00 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 1.08 | 0.00 | c | 0.07 | 0.05 | 1.08 | f | |||||||||
2023 | 0.21 | 0.01 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | b | 0.55 | 0.52 | 0.00 | 0.23 | 0.00 | 0.55 | b | |||||||||||
2024 | 0.00 | b | 0.00 | c | 0.06 | 0.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.20 | 0.16 | 0.14 | 0.06 | 0.02 | 0.00 | 0.07 | 0.18 | 0.21 | 0.14 | 0.20 | 0.18 | 0.78 | |||||||||||||
S.D. | 0.27 | 0.23 | 0.18 | 0.14 | 0.09 | 0.01 | 0.17 | 0.42 | 0.41 | 0.33 | 0.37 | 0.25 | 0.50 | |||||||||||||
SKEW | 1.59 | 2.26 | 1.34 | 2.93 | 6.10 | 5.83 | 3.61 | 3.46 | 3.15 | 3.16 | 2.28 | 1.48 | 1.27 | |||||||||||||
MAX | 1.10 | 1.17 | 0.66 | 0.61 | 0.62 | 0.08 | 0.91 | 2.18 | 2.22 | 1.57 | 1.50 | 0.98 | 2.22 | |||||||||||||
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 | 0.10 | |||||||||||||
YRS | 43 | 44 | 44 | 43 | 43 | 43 | 43 | 44 | 43 | 43 | 43 | 43 | 38 |