YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1990 | ----- | z | ----- | z | 0.27 | 1.56 | 1.34 | 0.47 | 0.31 | 1.07 | 0.02 | 0.52 | 0.41 | 0.09 | q | 5.97 | c | |||||||||
1991 | 0.12 | d | 0.14 | a | 0.41 | d | 0.67 | a | 1.95 | 0.25 | 0.20 | 0.05 | 0.19 | 1.06 | 1.27 | e | 0.34 | c | 6.65 | |||||||
1992 | 0.20 | d | 0.68 | b | 0.20 | 0.33 | 0.20 | 0.94 | 0.52 | 0.00 | 0.04 | 0.77 | a | 1.61 | e | 0.54 | 6.03 | |||||||||
1993 | 1.01 | g | 0.41 | d | 3.15 | b | 2.61 | 0.62 | 1.97 | 0.99 | a | 0.77 | a | 0.00 | ----- | z | 0.99 | c | 0.57 | 12.08 | b | |||||
1994 | 0.94 | c | 0.46 | a | 0.11 | ----- | z | 1.25 | 0.15 | 0.00 | 0.00 | 0.02 | 1.29 | 1.96 | c | 0.69 | c | 6.87 | a | |||||||
1995 | 1.49 | h | 0.24 | a | 0.97 | 0.86 | a | 2.02 | a | 0.95 | 0.60 | 0.22 | 0.00 | 0.46 | 1.57 | c | 1.62 | e | 9.51 | a | ||||||
1996 | 0.64 | a | 0.89 | a | 1.04 | 0.61 | 1.89 | 0.11 | 0.05 | 0.04 | 0.39 | 0.56 | 1.28 | a | 1.77 | f | 7.50 | a | ||||||||
1997 | 2.12 | c | 0.00 | c | 0.07 | a | 0.31 | b | 0.80 | b | 0.44 | a | 0.65 | a | 0.13 | c | 0.86 | a | 0.07 | 0.79 | a | 0.65 | a | 6.89 | ||
1998 | 2.21 | d | 1.19 | d | 1.02 | b | 1.40 | 3.50 | d | 0.55 | a | 0.71 | c | 0.02 | 1.04 | a | 0.00 | 0.47 | d | 0.73 | e | 12.84 | ||||
1999 | 1.12 | c | 0.89 | d | 0.43 | a | 0.60 | a | 0.47 | a | 0.40 | 0.04 | 0.33 | 0.00 | 0.24 | a | 0.05 | d | ----- | z | 4.57 | a | ||||
2000 | 0.82 | k | 0.95 | d | 1.20 | b | 0.89 | b | 0.48 | a | 0.32 | a | 0.00 | 0.00 | 0.38 | c | 2.31 | 1.02 | c | 0.12 | 7.67 | a | ||||
2001 | 1.33 | x | 0.09 | 0.63 | 1.54 | b | 0.20 | 0.05 | a | 0.59 | a | 0.00 | 0.00 | 0.48 | 0.83 | d | 0.75 | b | 5.16 | a | ||||||
2002 | 0.84 | e | 0.08 | 0.48 | c | 0.86 | a | 0.00 | 0.01 | 0.10 | b | 0.02 | b | 0.34 | 0.04 | 0.11 | b | 1.72 | g | 2.88 | a | |||||
2003 | 1.61 | e | 0.90 | f | 1.06 | b | 0.61 | 1.06 | g | 0.06 | 0.23 | 0.49 | a | 0.05 | 0.00 | 0.28 | b | 1.86 | e | 6.25 | b | |||||
2004 | 1.13 | e | 0.82 | 0.02 | 0.35 | 1.72 | b | 0.36 | 0.59 | a | 0.39 | a | 0.42 | a | 1.18 | b | 0.97 | a | 0.39 | 8.34 | ||||||
2005 | 0.08 | e | 0.18 | b | 1.26 | d | 0.77 | d | 2.17 | i | 1.17 | d | 0.10 | b | 0.00 | 0.00 | a | 0.98 | b | 1.44 | h | 1.72 | h | 4.54 | c | |
2006 | 1.22 | h | 0.26 | 1.08 | h | 1.32 | d | 0.72 | g | 0.56 | d | 0.26 | e | 0.04 | 0.59 | 0.33 | c | 0.60 | j | 0.72 | r | 3.36 | e | |||
2007 | 0.15 | b | 0.74 | d | 0.09 | b | 0.83 | e | 0.16 | 1.16 | d | 0.00 | 0.20 | b | 1.00 | c | 0.59 | b | 1.00 | d | 0.90 | f | 5.92 | a | ||
2008 | 0.25 | g | 0.18 | e | 0.47 | b | 0.18 | a | 0.42 | c | 1.13 | e | 0.00 | 0.01 | 0.87 | b | 0.30 | b | 0.87 | d | 0.52 | i | 4.43 | b | ||
2009 | 0.64 | c | 0.46 | 0.73 | 0.35 | 0.88 | 2.82 | 0.00 | 0.50 | 0.00 | 0.87 | 0.88 | 1.07 | 9.20 | ||||||||||||
2010 | 1.65 | 1.59 | 0.82 | 0.37 | 0.71 | 2.00 | 0.00 | 0.53 | 0.00 | 0.83 | 0.96 | 2.29 | 11.75 | |||||||||||||
2011 | 1.46 | 0.61 | 2.72 | 1.08 | 1.15 | 0.61 | 0.18 | 0.15 | 0.31 | 1.27 | 0.50 | 0.61 | 10.65 | |||||||||||||
2012 | 1.31 | c | 0.16 | c | 0.99 | c | 1.07 | 0.77 | 0.32 | a | 0.00 | 0.00 | 0.06 | 0.72 | c | 0.62 | 0.54 | 6.56 | ||||||||
2013 | 0.50 | 0.31 | 0.02 | 0.37 | 0.68 | 0.97 | 0.03 | 0.09 | 1.77 | c | 1.43 | l | 1.04 | o | 0.15 | 4.89 | b | |||||||||
2014 | 0.19 | 1.48 | g | 0.87 | w | ----- | z | 0.48 | 0.52 | 0.29 | 0.47 | 1.21 | 0.35 | 1.07 | 2.40 | 6.98 | c | |||||||||
2015 | 0.59 | 0.55 | 0.39 | 0.67 | 0.71 | 0.13 | 0.68 | 0.12 | 0.00 | 2.28 | 1.25 | 0.94 | 8.31 | |||||||||||||
2016 | 0.51 | 0.29 | 0.71 | 0.47 | a | 1.24 | 0.25 | 0.99 | f | 0.00 | b | 0.13 | u | 0.91 | 0.12 | a | 0.87 | a | 5.37 | b | ||||||
2017 | 4.04 | 0.85 | 2.03 | e | 1.58 | 0.52 | 0.75 | a | 0.00 | a | 0.00 | 0.72 | 0.38 | 1.31 | b | 0.65 | 12.83 | |||||||||
2018 | 1.28 | 0.20 | 0.64 | d | 0.81 | 0.98 | 1.15 | b | 0.00 | l | 0.03 | 0.00 | 1.00 | 0.69 | 0.91 | a | 7.69 | a | ||||||||
2019 | 1.59 | b | 3.06 | 0.56 | 1.36 | 2.26 | 0.22 | 0.00 | 0.38 | 0.82 | 0.61 | 0.00 | 0.64 | 11.50 | ||||||||||||
2020 | 1.80 | 0.63 | 0.85 | 0.30 | 2.49 | 3.09 | 0.00 | 0.11 | 0.00 | 0.34 | 0.97 | 0.47 | 11.05 | |||||||||||||
2021 | 0.74 | 1.35 | 0.55 | 0.08 | 1.27 | 0.88 | 0.00 | 0.66 | 0.23 | 0.93 | 0.81 | 0.73 | 8.23 | |||||||||||||
2022 | 1.45 | 0.22 | 0.64 | 0.51 | 2.00 | 1.37 | 0.00 | 0.52 | 0.23 | 0.53 | 1.07 | 1.26 | 9.80 | |||||||||||||
2023 | 1.29 | 0.00 | 1.62 | 0.50 | 1.38 | 1.33 | 0.00 | 2.11 | 0.85 | 0.44 | 0.88 | 0.96 | 11.36 | |||||||||||||
2024 | 2.00 | 0.95 | 1.60 | 1.15 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.55 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.15 | 0.61 | 0.84 | 0.81 | 1.11 | 0.81 | 0.22 | 0.28 | 0.38 | 0.71 | 0.86 | 0.88 | 9.50 | |||||||||||||
S.D. | 0.85 | 0.60 | 0.73 | 0.54 | 0.80 | 0.75 | 0.28 | 0.42 | 0.45 | 0.55 | 0.47 | 0.58 | 2.29 | |||||||||||||
SKEW | 1.32 | 2.25 | 1.53 | 1.32 | 0.98 | 1.48 | 1.08 | 2.72 | 1.21 | 1.36 | 0.02 | 1.34 | -0.05 | |||||||||||||
MAX | 4.04 | 3.06 | 3.15 | 2.61 | 3.50 | 3.09 | 0.99 | 2.11 | 1.77 | 2.31 | 1.96 | 2.40 | 12.84 | |||||||||||||
MIN | 0.08 | 0.00 | 0.02 | 0.08 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 6.03 | |||||||||||||
YRS | 28 | 32 | 33 | 32 | 31 | 34 | 32 | 34 | 33 | 32 | 31 | 26 | 16 |