YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | 0.28 | 0.26 | 0.75 | 0.24 | 0.00 | 0.10 | ----- | z | 0.21 | 1.21 | 0.47 | 1.00 | h | ----- | z | |||||||||
1979 | 0.20 | 0.10 | a | 0.72 | 0.40 | 0.92 | 0.00 | 0.00 | 0.25 | 0.00 | 0.19 | 0.15 | 0.00 | d | 0.92 | e | ||||||||||
1980 | 0.69 | 0.70 | a | 0.95 | g | 0.30 | 0.18 | l | 0.00 | 0.02 | 0.72 | 1.05 | 0.64 | ----- | z | 0.33 | b | ----- | z | |||||||
1981 | 0.19 | 0.14 | 0.32 | i | 0.23 | 0.28 | 0.11 | 0.81 | a | 0.08 | 0.59 | x | 1.33 | c | 0.99 | b | ----- | z | ----- | z | ||||||
1982 | 0.20 | k | 0.10 | 0.13 | i | 0.00 | ----- | z | 0.02 | 0.07 | b | 0.40 | 0.85 | 0.09 | i | 0.45 | g | 0.61 | ----- | z | ||||||
1983 | 0.22 | 0.13 | c | 0.72 | 0.22 | 0.18 | 0.50 | 0.35 | 0.20 | 0.25 | 1.10 | 0.36 | ----- | z | ----- | z | ||||||||||
1984 | ----- | z | 1.01 | b | 0.11 | 0.48 | 0.00 | 0.44 | 0.90 | 0.21 | 0.14 | 0.58 | 0.00 | 0.80 | ----- | z | ||||||||||
1985 | 0.60 | ----- | z | 0.46 | b | 0.36 | 0.30 | 0.07 | 0.60 | 0.00 | 1.17 | 0.27 | 0.64 | 0.00 | ----- | z | ||||||||||
1986 | 0.01 | 0.07 | 0.11 | 0.63 | 0.09 | 1.50 | 1.50 | 0.26 | 0.84 | 0.44 | 0.71 | 0.28 | 1.50 | |||||||||||||
1987 | 0.25 | 0.18 | 0.62 | 0.16 | 0.50 | 0.22 | 0.55 | 0.21 | 0.00 | 0.80 | a | 0.60 | 0.30 | d | 0.80 | e | ||||||||||
1988 | 0.60 | a | 0.25 | 0.17 | 0.42 | 0.30 | 0.13 | 0.08 | 0.08 | 0.13 | 0.05 | 0.15 | 0.20 | 0.60 | a | |||||||||||
1989 | 0.37 | 0.12 | 0.18 | 0.00 | 0.37 | 0.01 | 0.45 | 0.63 | 0.09 | ----- | z | 0.00 | ----- | z | ----- | z | ||||||||||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.68 | 0.12 | 0.29 | ----- | z | 0.85 | c | 0.09 | a | ----- | z | |||
1991 | 0.00 | y | 0.13 | 0.56 | 0.05 | 0.61 | 0.06 | 0.26 | 0.30 | 1.00 | c | 0.42 | 0.85 | 0.50 | e | ----- | z | |||||||||
1992 | 0.56 | b | 0.33 | ----- | 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 | 0.07 | 0.31 | 0.14 | 0.05 | 0.37 | 0.96 | 0.62 | 0.52 | 0.28 | 0.70 | b | ----- | z | |||||||||
1998 | 0.36 | 0.15 | 0.31 | b | 0.05 | 0.46 | 0.30 | 0.27 | 0.00 | 0.57 | 1.30 | 0.40 | 0.25 | b | 1.30 | d | ||||||||||
1999 | 0.09 | 0.20 | 0.16 | 0.52 | 0.15 | 0.32 | 0.47 | ----- | z | 0.02 | 0.00 | 0.00 | 0.17 | a | ----- | z | ||||||||||
2000 | 0.31 | 0.07 | 0.33 | 0.04 | 0.05 | 0.00 | 0.24 | 0.14 | 0.15 | 0.79 | 0.17 | 0.04 | 0.79 | |||||||||||||
2001 | 0.45 | 0.33 | 0.30 | 0.35 | 0.16 | 0.32 | 0.38 | 0.43 | 0.00 | 0.16 | a | 0.15 | 0.33 | a | 0.45 | b | ||||||||||
2002 | 0.07 | 0.03 | 0.19 | 0.05 | 0.48 | 0.00 | 0.15 | 0.14 | 0.58 | 0.21 | 0.08 | 0.15 | 0.58 | |||||||||||||
2003 | 0.20 | 0.46 | 0.43 | a | 0.08 | 0.10 | 0.00 | 0.27 | 0.02 | c | 0.02 | a | 0.11 | b | 0.89 | 0.15 | 0.89 | g | ||||||||
2004 | 0.00 | 0.38 | a | 0.10 | 0.31 | 0.09 | 0.07 | a | 0.02 | 0.51 | 0.31 | 0.16 | 0.44 | 0.63 | 0.63 | b | ||||||||||
2005 | 0.72 | 0.51 | 0.21 | 0.38 | 0.17 | 0.59 | 0.85 | 0.58 | 0.52 | 0.65 | 0.02 | 0.19 | 0.85 | |||||||||||||
2006 | 0.24 | 0.03 | 0.25 | 0.06 | 0.03 | 0.07 | 0.91 | 0.18 | 0.24 | 1.73 | 0.11 | 0.08 | t | 1.73 | t | |||||||||||
2007 | ----- | z | 0.00 | ----- | z | 0.16 | a | 0.00 | 0.00 | 0.76 | a | 0.43 | 0.48 | b | ----- | z | ----- | z | 0.85 | ----- | z | |||||
2008 | 0.23 | 0.51 | g | 0.27 | 0.00 | w | 0.22 | 0.70 | 0.01 | 0.34 | 0.05 | 0.17 | a | 0.52 | 0.00 | f | ----- | z | ||||||||
2009 | 0.10 | 0.05 | a | 0.17 | b | 0.41 | a | 0.68 | a | 0.15 | 0.32 | 0.01 | 0.11 | 0.10 | d | 0.00 | e | 0.00 | x | ----- | z | |||||
2010 | 0.85 | a | 0.45 | a | 0.19 | 0.00 | 0.10 | 0.13 | 0.66 | c | 0.60 | 0.54 | 0.43 | 0.13 | 0.36 | 0.85 | e | |||||||||
2011 | 0.00 | m | 0.23 | o | ----- | z | 0.40 | y | 0.09 | y | ----- | z | ----- | z | ----- | z | 0.73 | 0.22 | 0.00 | ----- | z | ----- | z | |||
2012 | 0.00 | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | |||
2013 | 0.00 | y | ----- | z | ----- | z | 0.00 | 0.30 | 0.00 | 0.10 | 1.10 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
2014 | 0.00 | c | 0.00 | d | 0.00 | a | 0.10 | ----- | z | 0.00 | 1.40 | e | 0.10 | 0.60 | 0.00 | ----- | z | ----- | z | ----- | z | |||||
2015 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.57 | u | ----- | z | |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | e | 0.30 | l | 0.61 | a | 0.73 | 0.50 | 0.46 | ----- | z | ||||
2017 | 0.61 | a | 0.51 | 0.14 | c | ----- | z | 0.43 | 0.00 | 0.66 | 0.80 | 0.40 | a | 0.00 | 0.00 | 0.00 | a | ----- | z | |||||||
2018 | 0.49 | 0.51 | 0.37 | 0.46 | 0.13 | 0.00 | 0.13 | 0.17 | 0.00 | 1.70 | m | 0.05 | 0.00 | b | 1.70 | o | ||||||||||
2019 | 0.00 | e | 0.47 | j | 2.03 | a | 0.00 | b | 0.26 | 0.06 | 0.00 | 0.15 | 0.00 | 0.00 | 0.35 | j | 0.45 | t | ----- | z | ||||||
2020 | 0.07 | d | 0.01 | b | 0.75 | b | 0.20 | 0.00 | a | 0.00 | b | 0.27 | b | 0.00 | 0.18 | 0.20 | 0.15 | 0.20 | 0.75 | m | ||||||
2021 | 0.13 | 0.14 | b | 0.12 | b | 0.28 | 0.04 | 0.04 | 0.20 | 0.23 | 0.60 | 0.24 | 0.00 | 0.24 | 0.60 | d | ||||||||||
2022 | 0.01 | 0.19 | 0.15 | 0.15 | 0.00 | 0.17 | 0.25 | 0.30 | 0.56 | 0.26 | 0.32 | 0.27 | 0.56 | |||||||||||||
2023 | 0.30 | a | 0.35 | a | 0.56 | o | 0.06 | e | 0.04 | 0.02 | 0.03 | 0.97 | 0.24 | a | 0.10 | 0.17 | 0.14 | b | 0.97 | y | ||||||
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.29 | 0.25 | 0.34 | 0.23 | 0.23 | 0.16 | 0.40 | 0.33 | 0.38 | 0.46 | 0.30 | 0.29 | 0.79 | |||||||||||||
S.D. | 0.25 | 0.23 | 0.38 | 0.20 | 0.22 | 0.29 | 0.38 | 0.30 | 0.33 | 0.45 | 0.30 | 0.24 | 0.35 | |||||||||||||
SKEW | 0.61 | 1.40 | 3.10 | 0.64 | 1.24 | 3.05 | 1.18 | 1.04 | 0.63 | 1.17 | 0.82 | 0.82 | 1.20 | |||||||||||||
MAX | 0.85 | 1.01 | 2.03 | 0.75 | 0.92 | 1.50 | 1.50 | 1.10 | 1.17 | 1.73 | 0.99 | 0.85 | 1.50 | |||||||||||||
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 | 0.45 | |||||||||||||
YRS | 31 | 32 | 31 | 34 | 34 | 37 | 38 | 35 | 37 | 33 | 34 | 28 | 10 |