YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | o | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | 1.40 | 0.37 | 1.78 | 3.98 | 2.70 | 1.69 | 2.50 | 0.96 | ----- | z | ||||||||
1989 | 1.16 | 4.35 | 1.70 | 1.52 | 1.13 | ----- | z | 1.10 | 1.02 | 1.35 | 1.37 | 0.48 | 0.96 | ----- | z | |||||||||||
1990 | ----- | z | 2.03 | 0.89 | 1.24 | 1.30 | 1.28 | 2.01 | 1.73 | 1.22 | 1.17 | 1.11 | 1.99 | a | ----- | z | ||||||||||
1991 | 0.68 | a | 2.00 | ----- | z | 1.95 | r | 0.87 | q | 1.54 | x | ----- | z | ----- | z | 2.04 | w | 1.42 | v | 0.28 | y | 1.80 | t | ----- | z | |
1992 | 0.90 | y | 0.79 | w | 0.89 | t | 0.78 | w | 1.20 | w | 0.78 | 2.00 | s | 0.52 | 2.19 | p | 4.45 | x | 2.35 | l | 0.75 | ----- | z | |||
1993 | 2.06 | 0.92 | r | 0.67 | m | 1.88 | 1.25 | a | 1.68 | 1.22 | 1.06 | a | 2.01 | s | 0.80 | q | 2.75 | n | 1.21 | p | ----- | z | ||||
1994 | 0.80 | n | 1.34 | q | 0.63 | t | 1.26 | b | 0.36 | a | 1.11 | 0.73 | 1.25 | f | 0.70 | 1.68 | a | 1.82 | 1.05 | ----- | z | |||||
1995 | 1.17 | 1.80 | 0.82 | 2.59 | 1.22 | 1.91 | 1.78 | 1.49 | 1.25 | y | 1.11 | v | 1.76 | t | 0.60 | v | ----- | z | ||||||||
1996 | 1.00 | u | 0.63 | v | 1.20 | q | 1.38 | m | 1.36 | s | 0.80 | s | 2.18 | t | 0.13 | r | ----- | z | 1.10 | s | 1.38 | o | 0.93 | n | ----- | z |
1997 | 1.00 | w | 1.57 | s | 5.47 | o | 2.50 | u | 1.92 | m | 1.91 | g | 1.75 | w | 1.57 | x | 1.00 | v | 0.91 | u | 0.68 | p | 0.69 | ----- | z | |
1998 | 1.15 | 1.24 | a | 1.28 | 1.29 | 1.55 | 2.06 | 2.94 | 2.13 | 0.66 | 3.02 | 1.07 | 1.99 | a | 3.02 | b | ||||||||||
1999 | 1.52 | 0.98 | 0.99 | 1.44 | 0.83 | 1.98 | 2.80 | 0.40 | 0.25 | 3.18 | ----- | z | 1.30 | ----- | z | |||||||||||
2000 | 3.54 | 1.77 | 1.47 | 2.84 | t | 1.23 | 0.70 | 2.95 | 0.75 | 0.90 | 1.24 | 1.50 | 0.86 | 3.54 | t | |||||||||||
2001 | 0.76 | 1.65 | 0.67 | s | 0.74 | h | 1.73 | 0.42 | 4.24 | s | 2.46 | s | 1.25 | w | 1.92 | 1.63 | 1.99 | i | ----- | z | ||||||
2002 | 1.80 | q | 1.51 | u | 3.05 | 1.48 | m | 2.99 | r | 1.37 | 2.30 | w | 2.34 | 2.10 | 0.83 | 1.25 | 2.00 | n | ----- | z | ||||||
2003 | 0.18 | u | 1.10 | j | 1.16 | 1.48 | u | 1.38 | 2.02 | 1.28 | 1.50 | 1.78 | 0.68 | 1.38 | 0.95 | p | ----- | z | ||||||||
2004 | 0.78 | r | 0.86 | s | 0.93 | s | 2.05 | u | 1.88 | p | 0.73 | 0.62 | t | 1.74 | u | 0.02 | 2.10 | 2.50 | l | 1.31 | w | ----- | z | |||
2005 | 1.35 | s | 0.81 | n | 1.95 | v | 0.83 | q | 1.97 | y | 0.82 | v | 3.47 | 1.11 | 1.25 | 0.10 | 1.50 | w | 0.32 | h | ----- | z | ||||
2006 | 1.30 | s | 1.47 | 2.46 | 0.65 | 1.30 | 1.11 | 1.61 | 1.92 | 2.77 | s | 2.37 | 1.25 | 1.94 | ----- | z | ||||||||||
2007 | 1.50 | 1.75 | 0.79 | 1.35 | 0.86 | 1.30 | 1.67 | 0.64 | 1.68 | 5.66 | 1.37 | 1.64 | 5.66 | |||||||||||||
2008 | 1.51 | 1.97 | 4.84 | 3.87 | 1.71 | 1.18 | 2.75 | 0.89 | 0.31 | 1.25 | 1.05 | a | 0.88 | 4.84 | a | |||||||||||
2009 | 0.25 | 1.87 | a | 1.66 | 1.16 | a | 1.97 | 1.80 | a | 2.84 | 1.28 | 1.65 | 1.84 | 0.43 | 1.61 | 2.84 | c | |||||||||
2010 | 0.75 | a | 0.37 | 1.70 | b | 2.02 | a | 1.41 | a | 0.89 | c | 1.86 | b | 1.08 | a | 2.55 | 0.64 | a | 1.97 | 0.73 | 2.55 | l | ||||
2011 | 1.94 | 2.40 | b | 2.24 | a | 2.60 | a | 3.20 | a | 1.70 | d | 1.45 | b | 0.91 | a | 1.94 | 0.54 | 2.51 | a | 3.32 | a | 3.32 | n | |||
2012 | 1.37 | b | 1.00 | b | 2.09 | 0.60 | b | 0.29 | a | 1.64 | 0.75 | c | 0.49 | a | 2.30 | b | 2.23 | c | 1.83 | 0.76 | a | 2.30 | q | |||
2013 | 3.34 | a | 1.29 | 1.52 | b | 2.22 | 1.95 | 3.97 | d | 1.03 | b | 0.87 | 1.85 | c | 4.35 | 2.06 | i | ----- | z | ----- | z | |||||
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.42 | p | 1.74 | a | 1.45 | c | 0.00 | t | 1.51 | e | 2.08 | a | 1.10 | e | ----- | z |
2020 | 2.60 | 1.20 | 2.10 | a | 0.62 | a | 0.90 | c | 1.38 | 1.85 | i | 0.71 | m | 0.59 | a | 3.30 | b | 1.40 | a | 1.17 | ----- | z | ||||
2021 | 1.11 | k | 0.48 | u | 1.78 | n | 1.05 | v | 0.96 | e | 1.19 | 3.16 | 1.14 | 1.72 | a | 0.99 | b | 0.52 | 1.62 | ----- | z | |||||
2022 | 1.46 | i | 3.88 | 1.04 | 2.94 | 1.33 | 2.11 | 0.58 | 2.30 | a | 0.39 | 0.72 | m | 1.02 | d | ----- | z | ----- | z | |||||||
2023 | 1.13 | v | ----- | z | 2.54 | w | ----- | z | 0.88 | a | ----- | z | 3.93 | g | ----- | z | 2.35 | 0.05 | u | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.58 | 1.83 | 1.77 | 1.72 | 1.31 | 1.45 | 1.89 | 1.35 | 1.38 | 1.90 | 1.41 | 1.33 | 4.09 | |||||||||||||
S.D. | 0.93 | 0.96 | 0.99 | 0.89 | 0.59 | 0.74 | 0.87 | 0.80 | 0.80 | 1.30 | 0.59 | 0.66 | 1.38 | |||||||||||||
SKEW | 0.84 | 1.34 | 1.76 | 0.78 | 1.14 | 1.45 | 0.28 | 1.61 | -0.08 | 1.24 | 0.17 | 1.52 | 0.16 | |||||||||||||
MAX | 3.54 | 4.35 | 4.84 | 3.87 | 3.20 | 3.97 | 3.47 | 3.98 | 2.70 | 5.66 | 2.51 | 3.32 | 5.66 | |||||||||||||
MIN | 0.25 | 0.37 | 0.79 | 0.60 | 0.29 | 0.37 | 0.58 | 0.40 | 0.02 | 0.10 | 0.43 | 0.69 | 2.84 | |||||||||||||
YRS | 16 | 18 | 18 | 17 | 23 | 24 | 22 | 23 | 22 | 23 | 20 | 19 | 4 |