YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | 3.17 | 1.40 | 0.57 | 0.42 | 0.60 | 0.38 | b | 0.87 | 0.71 | b | ----- | z | ||||||
1982 | 0.72 | h | 0.61 | 0.48 | m | 0.45 | o | 1.02 | 0.88 | 0.13 | 0.18 | 0.45 | 0.27 | 0.43 | 0.75 | a | ----- | z | ||||||||
1983 | 0.89 | 0.22 | 0.51 | a | 0.40 | 0.73 | 0.34 | 0.33 | 0.14 | 0.26 | a | 0.18 | 0.94 | 0.40 | a | 0.94 | c | |||||||||
1984 | 0.61 | 0.17 | 0.39 | 0.82 | 0.40 | 1.51 | 0.10 | 0.52 | 0.67 | 0.96 | a | 0.29 | 0.70 | 1.51 | a | |||||||||||
1985 | 0.14 | 0.38 | 0.52 | 0.50 | 2.43 | 0.95 | 0.28 | 0.73 | 1.34 | 1.11 | 0.64 | 0.16 | a | 2.43 | a | |||||||||||
1986 | 1.92 | 1.87 | 0.53 | a | 0.30 | b | 1.39 | a | 0.97 | 0.17 | 0.54 | 1.24 | 1.30 | 1.23 | a | 0.22 | 1.92 | e | ||||||||
1987 | 0.35 | b | 0.50 | 0.80 | 0.80 | 1.13 | 0.51 | 4.88 | a | 1.11 | 0.39 | 0.11 | 0.09 | 0.92 | 4.88 | c | ||||||||||
1988 | 0.43 | a | 0.30 | 0.67 | 1.02 | 0.60 | 0.51 | 0.64 | 0.24 | 0.54 | 0.68 | 0.75 | 0.65 | o | 1.02 | p | ||||||||||
1989 | 0.63 | 0.25 | 0.64 | 0.53 | 1.69 | 1.75 | 1.88 | 2.42 | 0.56 | 0.42 | a | 1.41 | 0.53 | 2.42 | a | |||||||||||
1990 | 0.71 | a | 0.54 | a | 0.38 | 0.70 | 1.00 | 0.45 | 1.72 | 0.67 | c | 0.24 | 1.65 | b | 2.08 | a | 0.36 | b | 2.08 | j | ||||||
1991 | 1.18 | b | 0.26 | 0.57 | 1.63 | b | 1.46 | c | 3.13 | 0.02 | 1.14 | 0.55 | 0.89 | 0.46 | 0.61 | a | 3.13 | h | ||||||||
1992 | 0.41 | 1.16 | a | 0.40 | 0.35 | 0.59 | 1.28 | 0.78 | 1.00 | 0.45 | 0.64 | 0.17 | 0.41 | 1.28 | a | |||||||||||
1993 | 0.23 | b | 0.32 | b | 0.58 | 0.34 | 0.32 | 0.63 | a | 2.16 | 1.11 | 1.15 | 0.22 | f | 0.55 | 0.61 | 2.16 | k | ||||||||
1994 | 0.23 | 0.49 | 0.30 | a | 0.70 | b | 1.05 | 0.26 | a | 1.04 | 0.22 | 0.07 | 1.82 | a | 0.80 | 0.47 | 1.82 | e | ||||||||
1995 | 0.16 | 0.61 | 0.36 | a | 0.54 | 1.87 | 2.36 | 1.00 | a | 0.54 | a | 2.54 | 1.49 | 1.00 | 0.81 | 2.54 | c | |||||||||
1996 | 0.60 | a | 1.43 | c | 0.55 | 0.88 | 2.44 | a | 1.98 | 0.26 | 0.28 | 0.61 | 0.33 | 0.89 | 0.82 | 2.44 | e | |||||||||
1997 | 0.70 | a | 0.32 | b | 0.72 | a | 0.32 | 1.09 | 1.88 | 0.40 | 0.98 | 0.25 | 0.46 | a | 0.48 | b | 0.27 | 1.88 | g | |||||||
1998 | 1.08 | 0.16 | 0.37 | 0.65 | 2.00 | ----- | z | 0.78 | a | 0.12 | 0.38 | a | 0.12 | a | 1.70 | b | 0.96 | b | ----- | z | ||||||
1999 | 0.96 | a | 0.40 | b | 0.44 | b | 0.85 | 0.70 | a | 0.81 | 0.27 | 1.15 | b | 1.04 | a | 0.97 | 1.92 | a | 0.49 | d | 1.92 | n | ||||
2000 | 0.92 | c | 0.40 | e | 0.37 | 0.58 | 0.76 | b | 1.35 | b | 0.10 | 0.31 | 0.75 | a | 1.08 | a | 0.18 | d | 0.44 | 1.35 | r | |||||
2001 | 0.18 | a | 0.37 | b | 0.68 | 1.76 | 0.83 | 1.59 | a | 0.17 | b | 0.02 | 0.57 | 0.61 | 0.28 | 0.65 | a | 1.76 | g | |||||||
2002 | 1.21 | 1.25 | 0.96 | c | 0.65 | b | 2.40 | 2.14 | 0.39 | 0.63 | a | 1.17 | i | 1.50 | h | 0.18 | 1.13 | f | ----- | z | ||||||
2003 | 0.43 | h | 0.53 | h | 2.40 | o | 0.45 | a | ----- | z | ----- | z | 0.04 | 0.01 | 0.34 | ----- | z | ----- | z | 0.30 | k | ----- | z | |||
2004 | 0.69 | 0.48 | 0.32 | 0.51 | 0.55 | 0.80 | 0.52 | 0.75 | 0.32 | 0.51 | 0.51 | 0.70 | d | 0.80 | d | |||||||||||
2005 | 0.38 | 0.56 | 0.21 | 0.78 | 0.56 | c | 1.99 | a | 0.29 | a | 1.20 | 1.92 | b | 0.40 | 0.68 | 0.34 | j | 1.99 | q | |||||||
2006 | 1.27 | i | 0.74 | a | 0.78 | a | 1.00 | e | 0.30 | p | 1.81 | e | 0.24 | e | 0.90 | ----- | z | 0.39 | d | 1.99 | g | 1.58 | s | ----- | z | |
2007 | 0.90 | a | 0.47 | c | 0.62 | h | 0.31 | g | 0.82 | 0.50 | e | 0.47 | 0.30 | 1.02 | i | 0.70 | a | 0.80 | f | 0.88 | f | ----- | z | |||
2008 | 0.69 | p | ----- | z | 0.23 | a | 0.21 | c | 2.20 | b | 1.51 | c | ----- | z | ----- | z | ----- | z | 0.20 | a | 0.69 | a | 0.34 | f | ----- | z |
2009 | 0.36 | ----- | z | 0.66 | e | 0.71 | 0.26 | e | 0.52 | 1.91 | d | 0.70 | b | 0.12 | a | 0.45 | b | 0.49 | a | 0.45 | ----- | z | ||||
2010 | 0.18 | 0.20 | 0.11 | 0.80 | 1.40 | 1.72 | 0.39 | 1.07 | b | 1.01 | a | 0.11 | 0.72 | 0.50 | 1.72 | c | ||||||||||
2011 | 0.40 | q | ----- | z | 0.57 | p | 0.82 | j | ----- | z | 0.90 | w | 0.18 | y | ----- | z | 0.48 | 2.32 | x | 0.80 | q | 0.34 | ----- | z | ||
2012 | 0.32 | g | 0.32 | c | 0.74 | q | 0.47 | a | 0.45 | v | 1.20 | 0.41 | y | 0.39 | ----- | z | 1.00 | a | 0.61 | 0.55 | ----- | z | ||||
2013 | 0.41 | 0.34 | 0.50 | 0.40 | 1.36 | 1.88 | 0.21 | 0.73 | 0.73 | 0.30 | 0.61 | 0.70 | 1.88 | |||||||||||||
2014 | 0.69 | 0.44 | 1.05 | a | 0.73 | ----- | z | 2.57 | q | 0.62 | 0.53 | 0.55 | 0.89 | 1.73 | 0.95 | ----- | z | |||||||||
2015 | 0.40 | 0.50 | 1.25 | x | 0.26 | j | 1.70 | p | 1.40 | 0.75 | b | 0.31 | b | 0.79 | b | 0.51 | h | ----- | z | ----- | z | ----- | z | |||
2016 | ----- | z | ----- | z | ----- | z | 0.34 | s | 1.05 | j | 0.25 | s | 0.63 | u | 0.83 | n | 0.97 | o | 1.70 | w | 1.45 | o | 1.30 | x | ----- | z |
2017 | 1.30 | t | 2.05 | h | 1.32 | y | ----- | z | ----- | z | ----- | z | 0.10 | c | 0.33 | 0.20 | a | ----- | z | ----- | z | ----- | z | ----- | z | |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.38 | ----- | z | ----- | z | ----- | z | ----- | z | |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | 0.28 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.63 | 0.54 | 0.52 | 0.68 | 1.25 | 1.29 | 0.72 | 0.64 | 0.67 | 0.68 | 0.78 | 0.57 | 2.04 | |||||||||||||
S.D. | 0.41 | 0.39 | 0.22 | 0.35 | 0.75 | 0.69 | 0.94 | 0.48 | 0.52 | 0.47 | 0.53 | 0.22 | 1.17 | |||||||||||||
SKEW | 1.19 | 1.96 | 0.45 | 1.55 | 0.81 | 0.46 | 2.94 | 1.50 | 1.90 | 0.80 | 1.02 | 0.06 | 1.41 | |||||||||||||
MAX | 1.92 | 1.87 | 1.05 | 1.76 | 3.17 | 3.13 | 4.88 | 2.42 | 2.54 | 1.82 | 2.08 | 0.96 | 4.88 | |||||||||||||
MIN | 0.14 | 0.16 | 0.11 | 0.21 | 0.26 | 0.26 | 0.02 | 0.01 | 0.07 | 0.11 | 0.09 | 0.16 | 0.80 | |||||||||||||
YRS | 28 | 30 | 28 | 30 | 29 | 31 | 33 | 34 | 32 | 30 | 30 | 27 | 10 |