YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.68 | 0.81 | 0.72 | 2.21 | i | |||
1988 | 1.29 | 0.03 | a | 1.18 | 0.04 | 2.01 | 2.99 | 2.27 | 6.55 | c | 4.10 | 0.63 | 3.35 | 0.88 | e | 25.32 | ||||||||||
1989 | 0.73 | a | 0.05 | a | 0.95 | 1.11 | 4.39 | 3.09 | 2.03 | 1.41 | f | 1.96 | d | 1.22 | 0.87 | 0.26 | b | 16.66 | a | |||||||
1990 | 0.35 | 0.58 | a | 1.34 | 1.51 | 0.68 | a | 4.77 | a | 1.88 | d | 0.97 | i | 1.15 | b | 2.85 | b | 0.20 | b | 0.68 | j | 15.31 | b | |||
1991 | 0.32 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.10 | 3.51 | 4.70 | 1.08 | 1.53 | 0.72 | 14.96 | e | ||||||
1992 | 0.55 | 1.06 | 0.18 | d | 1.37 | 0.81 | 3.46 | 4.47 | 3.89 | 2.97 | ----- | z | 1.07 | 0.84 | 20.67 | a | ||||||||||
1993 | 0.79 | 0.06 | 0.88 | 2.50 | 3.24 | 5.53 | 5.15 | 5.18 | 1.88 | 0.49 | 1.64 | 0.89 | 28.23 | |||||||||||||
1994 | 0.74 | 0.57 | a | 0.73 | 2.12 | 1.70 | 6.87 | 5.38 | 2.63 | 2.88 | 2.91 | 1.20 | 0.22 | 27.95 | ||||||||||||
1995 | 1.06 | 0.91 | 1.25 | ----- | z | 2.28 | 0.54 | 6.77 | 2.38 | a | 3.98 | 4.47 | 2.15 | b | 0.78 | p | 25.79 | b | ||||||||
1996 | 2.07 | c | 1.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.37 | j | |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.17 | h | 2.64 | c | 2.24 | e | 2.48 | d | 0.05 | a | 0.00 | b | 7.41 | g |
2002 | 0.00 | 0.00 | i | 3.00 | r | 1.22 | q | 1.86 | e | 5.44 | f | 4.79 | d | 2.84 | c | ----- | z | 1.21 | p | 0.29 | ----- | z | 9.78 | g | ||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.65 | s | 1.19 | f | 0.03 | e | ----- | z | 0.03 | k |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | 3.14 | b | ----- | z | 2.80 | d | 1.60 | d | 5.74 | e | ----- | z | 2.69 | d | ----- | z | 15.97 | g |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.49 | g | 3.95 | e | 0.38 | k | 0.50 | d | 4.45 | j |
2008 | 0.03 | e | 0.29 | j | 0.17 | h | 3.18 | e | 1.85 | a | 3.96 | b | 4.44 | b | 0.98 | c | 4.15 | e | 4.50 | e | 1.91 | g | 0.97 | i | 23.09 | d |
2009 | 0.51 | n | 0.98 | m | 3.77 | j | 1.46 | p | 1.90 | m | 3.47 | k | 1.00 | f | 2.37 | f | 2.30 | f | 4.45 | i | 0.98 | k | 0.97 | q | 0.00 | l |
2010 | 0.39 | y | ----- | z | 0.61 | x | 1.28 | q | 3.54 | e | 4.88 | d | 5.92 | b | 7.51 | 6.97 | 0.27 | a | 0.71 | d | 0.26 | b | 30.06 | d | ||
2011 | 1.05 | b | 0.18 | 0.13 | 3.14 | d | 4.00 | 7.11 | 2.17 | u | 4.59 | 1.76 | 0.40 | 0.39 | 0.30 | 23.05 | a | |||||||||
2012 | 1.18 | a | 0.84 | 2.79 | 2.96 | 2.54 | 2.92 | 2.79 | 2.91 | 0.65 | 2.32 | 0.93 | 0.65 | b | 23.48 | |||||||||||
2013 | 1.68 | 1.79 | 1.77 | 2.30 | 3.14 | 3.34 | 2.38 | 1.47 | 2.03 | 2.86 | 1.14 | 2.06 | 25.96 | |||||||||||||
2014 | 0.93 | 0.47 | 0.83 | 3.27 | 2.98 | 8.33 | 2.76 | 2.94 | 1.34 | 1.44 | 0.67 | 0.34 | 26.30 | |||||||||||||
2015 | 0.65 | a | 0.57 | 0.79 | 1.02 | 6.07 | 5.23 | 4.23 | 1.54 | 1.62 | a | 2.94 | 2.86 | c | 1.20 | b | 28.72 | |||||||||
2016 | 0.74 | a | 0.87 | r | 1.31 | v | 2.66 | k | 1.38 | c | 2.18 | g | 5.66 | 4.05 | 2.51 | 1.21 | e | 1.78 | s | 2.71 | m | 15.55 | f | |||
2017 | 1.06 | t | 0.68 | r | 0.64 | x | 2.37 | o | 1.65 | 3.29 | 1.67 | 3.21 | a | 3.53 | 2.34 | d | 0.72 | u | 1.34 | p | 15.69 | f | ||||
2018 | 0.54 | y | 1.17 | p | 0.71 | b | 0.50 | d | 2.92 | 4.95 | 3.16 | 2.18 | 3.17 | 4.65 | b | 0.91 | b | 1.36 | e | 24.51 | b | |||||
2019 | 0.69 | 2.08 | 1.56 | 3.24 | 2.78 | 3.83 | 2.93 | 3.69 | 4.70 | 5.08 | 0.71 | b | 3.47 | b | 34.76 | |||||||||||
2020 | 1.26 | c | 0.07 | c | 0.30 | a | 1.20 | h | 1.75 | b | 4.60 | 6.67 | c | 6.51 | b | 1.83 | 1.67 | 0.44 | b | 0.86 | b | 25.96 | a | |||
2021 | 0.62 | b | 0.09 | a | 0.75 | b | 2.94 | a | 0.91 | a | 1.60 | 1.25 | 2.32 | 2.78 | b | 5.06 | a | 1.69 | d | 2.30 | b | 22.31 | ||||
2022 | 0.58 | 1.36 | b | 0.58 | 6.32 | c | 3.40 | 3.15 | 2.13 | 3.59 | 2.06 | a | 1.55 | b | 1.89 | b | 1.75 | a | 28.36 | |||||||
2023 | 0.34 | a | 0.71 | 1.79 | 1.86 | a | 2.44 | 2.97 | 2.32 | 2.19 | 3.24 | 2.10 | a | 0.44 | c | 1.81 | a | 22.21 | ||||||||
2024 | 0.60 | c | 0.59 | a | 0.76 | 0.73 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.95 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.79 | 0.70 | 1.01 | 2.32 | 2.56 | 4.16 | 3.62 | 3.37 | 2.96 | 2.37 | 1.15 | 1.02 | 26.69 | |||||||||||||
S.D. | 0.49 | 0.60 | 0.64 | 1.45 | 1.24 | 1.82 | 1.65 | 1.68 | 1.51 | 1.53 | 0.89 | 0.85 | 3.58 | |||||||||||||
SKEW | 0.73 | 0.79 | 1.06 | 0.94 | 0.79 | 0.42 | 0.49 | 0.96 | 0.86 | 0.41 | 0.94 | 1.28 | 0.76 | |||||||||||||
MAX | 2.07 | 2.08 | 2.79 | 6.32 | 6.07 | 8.33 | 6.77 | 7.51 | 6.97 | 5.08 | 3.35 | 3.47 | 34.76 | |||||||||||||
MIN | 0.00 | 0.03 | 0.13 | 0.04 | 0.68 | 0.54 | 1.25 | 0.98 | 0.65 | 0.27 | 0.03 | 0.00 | 22.21 | |||||||||||||
YRS | 23 | 19 | 19 | 17 | 24 | 21 | 24 | 24 | 25 | 25 | 25 | 21 | 11 |