YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.12 | ----- | z | |
1980 | 0.84 | 1.18 | 0.29 | 0.23 | 0.28 | 0.00 | 0.36 | 0.36 | 0.29 | 0.42 | 0.38 | 0.03 | 1.18 | |||||||||||||
1981 | 0.24 | 0.22 | ----- | z | 0.23 | 0.12 | 0.29 | 0.02 | 0.10 | 0.19 | 0.13 | ----- | z | 0.00 | ----- | z | ||||||||||
1982 | 0.55 | 0.44 | i | 0.61 | 0.05 | 0.08 | b | 0.00 | 0.48 | c | 0.06 | 0.26 | 0.07 | a | 0.50 | 0.22 | 0.61 | o | ||||||||
1983 | 0.14 | b | 0.12 | a | 0.32 | 0.24 | h | 0.00 | 0.00 | a | 0.00 | a | 0.81 | 0.45 | 1.28 | 0.50 | 0.14 | 1.28 | m | |||||||
1984 | 0.00 | ----- | z | 0.20 | 0.07 | 0.00 | 0.33 | 1.16 | 0.35 | 0.05 | 0.20 | 0.72 | 0.92 | b | ----- | z | ||||||||||
1985 | 0.92 | 0.10 | 0.36 | 0.01 | 0.11 | 0.00 | 0.65 | 0.00 | 0.07 | 0.32 | 0.36 | 0.18 | 0.92 | |||||||||||||
1986 | 0.60 | 0.52 | 0.21 | b | 0.15 | 0.10 | 0.00 | ----- | z | 0.53 | 0.42 | 0.00 | 0.40 | 0.30 | ----- | z | ||||||||||
1987 | 0.49 | a | 0.99 | 0.54 | 0.00 | 0.00 | 0.46 | 0.42 | 0.09 | a | 0.23 | a | 0.97 | c | 1.00 | ----- | z | ----- | z | |||||||
1988 | 0.83 | 0.30 | 0.00 | 0.63 | 0.00 | 0.05 | 1.32 | 1.01 | 0.08 | 0.00 | 0.36 | ----- | z | ----- | z | |||||||||||
1989 | 1.53 | 0.10 | a | 0.13 | a | 0.00 | 0.22 | 0.00 | 0.60 | 1.11 | 0.00 | 0.23 | 0.00 | 0.00 | a | 1.53 | c | |||||||||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.19 | 0.32 | a | 0.26 | 0.15 | a | 0.00 | a | ----- | z | ----- | z | ||
1991 | ----- | z | ----- | z | ----- | z | 0.00 | 0.75 | a | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | 0.25 | a | 0.21 | ----- | z | |||
1992 | 0.50 | ----- | z | 0.96 | c | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | 0.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | |||
1993 | 1.25 | ----- | 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 | 0.25 | ----- | z | |
1996 | 0.21 | 0.37 | 0.00 | 0.22 | 0.30 | ----- | z | 0.00 | 0.15 | 0.00 | ----- | z | 0.79 | 0.27 | ----- | z | ||||||||||
1997 | 0.41 | 0.00 | 0.00 | 0.07 | 0.00 | 0.15 | 0.00 | 0.00 | 0.58 | 0.07 | ----- | z | 0.12 | ----- | z | |||||||||||
1998 | 0.23 | 0.91 | 0.33 | 0.08 | 0.05 | ----- | z | 0.26 | 0.34 | 1.09 | 0.37 | 0.22 | 0.00 | ----- | z | |||||||||||
1999 | 0.02 | 0.00 | 0.00 | 0.28 | a | ----- | z | 0.42 | 0.47 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | ----- | z | ||||||||||
2000 | ----- | z | 0.93 | a | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.34 | 0.05 | 0.00 | ----- | z | ||||||||||
2001 | 0.61 | 0.58 | 0.43 | a | 0.18 | d | 0.00 | 0.00 | 0.36 | 1.00 | 0.00 | 0.00 | ----- | z | 0.11 | ----- | z | |||||||||
2002 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.49 | 0.61 | 0.16 | 0.08 | 0.61 | |||||||||||||
2003 | ----- | z | 0.47 | 0.45 | 0.29 | 0.00 | 0.00 | 0.14 | 0.33 | 0.06 | 0.00 | ----- | z | 0.23 | ----- | z | ||||||||||
2004 | 0.07 | 0.48 | ----- | z | 0.42 | m | 0.00 | i | 0.00 | 0.02 | 0.15 | 0.00 | 1.21 | 1.46 | a | 1.12 | ----- | z | ||||||||
2005 | 0.54 | a | 0.60 | a | 0.24 | b | 0.51 | a | 0.00 | 0.11 | 0.43 | 0.38 | 0.00 | 0.63 | 0.50 | 0.00 | a | 0.63 | f | |||||||
2006 | 0.10 | 0.00 | 0.75 | 0.34 | a | 0.00 | 0.63 | 0.29 | b | 0.02 | 0.06 | a | 0.65 | a | 0.00 | 0.10 | u | ----- | z | |||||||
2007 | 0.41 | c | 0.11 | g | 0.04 | 0.05 | a | 0.00 | x | 0.00 | v | 0.20 | y | ----- | z | ----- | z | 0.00 | 0.00 | 1.88 | ----- | z | ||||
2008 | 0.55 | a | 0.43 | c | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.55 | 0.07 | 0.62 | g | 0.28 | 0.45 | 0.62 | k | |||||||||
2009 | 0.79 | 0.61 | 0.00 | 0.61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 0.00 | 0.11 | e | 0.00 | 0.79 | e | |||||||||||
2010 | 0.67 | 1.31 | j | 0.55 | 0.13 | 0.00 | 0.00 | 0.00 | 0.55 | 0.00 | 0.71 | 0.00 | 1.54 | 1.54 | j | |||||||||||
2011 | 0.00 | a | 0.93 | 0.40 | 0.32 | 0.07 | b | 0.00 | 0.36 | 0.09 | 0.06 | 0.69 | 0.40 | 0.00 | 0.93 | c | ||||||||||
2012 | 0.00 | b | 0.33 | 0.69 | c | 0.00 | b | 0.00 | 0.00 | 0.17 | 2.01 | 0.03 | 0.71 | a | 0.00 | 0.00 | g | 2.01 | o | |||||||
2013 | 0.38 | c | 0.00 | a | 0.37 | 0.56 | 0.15 | a | 0.00 | f | 0.08 | f | 0.05 | f | 0.68 | t | 0.26 | 0.85 | c | 0.00 | e | ----- | z | |||
2014 | 0.00 | 0.50 | 0.24 | 0.00 | 0.18 | h | 0.00 | j | 0.11 | 1.40 | b | 1.22 | 0.00 | e | 0.12 | q | 0.53 | a | ----- | z | ||||||
2015 | 0.33 | b | ----- | z | ----- | z | 0.00 | i | 0.25 | i | 0.00 | i | 0.00 | p | ----- | z | ----- | z | 0.00 | u | 0.20 | e | 0.25 | g | ----- | z |
2016 | 0.60 | a | 0.65 | 0.10 | 0.61 | c | 0.34 | 0.10 | 0.20 | 0.50 | 0.10 | f | 0.40 | 0.25 | 0.70 | h | 0.70 | r | ||||||||
2017 | 0.60 | k | 0.18 | 0.25 | 0.26 | 0.10 | 0.00 | 1.50 | 0.50 | 0.70 | v | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
2018 | ----- | z | 0.40 | n | 0.38 | 0.11 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | 1.00 | f | 0.95 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | |||||||||
2021 | 0.23 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.30 | 0.00 | 0.18 | 0.90 | 0.00 | 0.65 | e | 0.90 | e | |||||||||||
2022 | 0.00 | 0.00 | 0.20 | 0.10 | 0.00 | 0.00 | 1.02 | 0.55 | 1.40 | 0.16 | 0.52 | 0.13 | 1.40 | |||||||||||||
2023 | 0.82 | 0.29 | a | 0.53 | b | 0.28 | 0.00 | 0.20 | 0.00 | 0.40 | 1.31 | 0.15 | 0.13 | 0.15 | a | 1.31 | d | |||||||||
2024 | 0.22 | 0.50 | 0.50 | 0.00 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.43 | 0.40 | 0.32 | 0.19 | 0.09 | 0.09 | 0.32 | 0.40 | 0.28 | 0.35 | 0.32 | 0.30 | 1.13 | |||||||||||||
S.D. | 0.37 | 0.34 | 0.26 | 0.20 | 0.16 | 0.17 | 0.40 | 0.46 | 0.40 | 0.37 | 0.35 | 0.46 | 0.32 | |||||||||||||
SKEW | 0.90 | 0.55 | 0.71 | 0.99 | 2.65 | 1.91 | 1.55 | 1.67 | 1.76 | 0.97 | 1.38 | 2.15 | -0.32 | |||||||||||||
MAX | 1.53 | 1.18 | 0.96 | 0.63 | 0.75 | 0.63 | 1.50 | 2.01 | 1.40 | 1.28 | 1.46 | 1.88 | 1.53 | |||||||||||||
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 | 0.61 | |||||||||||||
YRS | 35 | 31 | 36 | 34 | 32 | 31 | 34 | 35 | 33 | 33 | 32 | 32 | 7 |