YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | 6.75 | 3.31 | 1.49 | 0.51 | 1.08 | 0.69 | b | 1.48 | 2.40 | b | 17.71 | d | ||||||
1982 | 3.72 | h | 3.20 | 2.54 | m | 1.75 | o | 2.39 | 1.31 | 0.53 | 0.44 | 2.45 | 0.83 | 1.59 | 2.78 | a | 15.52 | c | ||||||||
1983 | 2.83 | 0.44 | 2.27 | a | 1.06 | 1.88 | 2.23 | 1.40 | 0.54 | 1.54 | a | 0.43 | 2.86 | 1.48 | a | 18.96 | ||||||||||
1984 | 2.45 | 0.38 | 1.86 | 2.14 | 1.87 | 2.37 | 0.31 | 1.81 | 2.92 | 3.69 | a | 1.48 | 3.51 | 24.79 | ||||||||||||
1985 | 0.27 | 1.76 | 1.30 | 1.98 | 3.24 | 2.62 | 0.34 | 3.47 | 6.34 | 4.38 | 2.16 | 0.40 | a | 28.26 | ||||||||||||
1986 | 3.38 | 6.14 | 1.70 | a | 1.45 | b | 2.79 | a | 2.38 | 0.61 | 0.75 | 4.04 | 2.64 | 5.05 | a | 0.65 | 31.58 | |||||||||
1987 | 1.07 | b | 1.73 | 2.05 | 1.42 | 2.55 | 1.37 | 8.99 | a | 2.54 | 0.90 | 0.11 | 0.18 | 2.76 | 25.67 | |||||||||||
1988 | 1.26 | a | 0.99 | 3.77 | 3.70 | 2.05 | 1.79 | 0.74 | 0.62 | 1.71 | 2.29 | 2.57 | 1.30 | o | 21.49 | a | ||||||||||
1989 | 2.71 | 1.20 | 2.50 | 2.40 | 2.53 | 5.32 | 3.61 | 5.69 | 2.50 | 1.61 | a | 5.59 | 1.64 | 37.30 | ||||||||||||
1990 | 4.81 | a | 2.84 | a | 1.45 | 1.23 | 3.01 | 1.76 | 2.72 | 1.45 | c | 0.34 | 6.20 | b | 8.55 | a | 1.75 | b | 36.11 | |||||||
1991 | 3.38 | b | 0.99 | 2.27 | 3.87 | b | 2.79 | c | 7.25 | 0.02 | 1.93 | 1.74 | 2.59 | 1.40 | 1.93 | a | 30.16 | |||||||||
1992 | 1.36 | 1.22 | a | 0.85 | 1.22 | 1.42 | 4.51 | 2.65 | 1.54 | 1.83 | 2.30 | 0.87 | 2.56 | 22.33 | ||||||||||||
1993 | 0.69 | b | 0.65 | b | 1.76 | 0.83 | 1.84 | 3.08 | a | 6.33 | 3.56 | 3.09 | 0.87 | f | 1.96 | 1.51 | 25.30 | a | ||||||||
1994 | 1.25 | 2.63 | 1.42 | a | 2.65 | b | 2.78 | 1.38 | a | 2.17 | 0.51 | 0.15 | 4.25 | a | 1.85 | 1.61 | 22.65 | |||||||||
1995 | 0.54 | 2.06 | 0.91 | a | 1.88 | 5.28 | 7.18 | 3.28 | a | 1.17 | a | 3.22 | 4.08 | 5.10 | 2.89 | 37.59 | ||||||||||
1996 | 2.25 | a | 3.40 | c | 1.59 | 1.79 | 4.97 | a | 4.06 | 0.77 | 0.42 | 2.22 | 1.28 | 3.56 | 5.16 | 31.47 | ||||||||||
1997 | 2.37 | a | 1.00 | b | 3.26 | a | 1.42 | 3.62 | 4.05 | 0.87 | 2.57 | 1.13 | 2.20 | a | 0.84 | b | 0.57 | 23.90 | ||||||||
1998 | 2.78 | 0.48 | 2.24 | 2.23 | 3.70 | ----- | z | 1.68 | a | 0.27 | 0.98 | a | 0.18 | a | 4.91 | b | 4.40 | b | 23.85 | a | ||||||
1999 | 2.66 | a | 2.17 | b | 1.23 | b | 1.48 | 1.47 | a | 1.83 | 0.94 | 2.20 | b | 1.46 | a | 3.10 | 4.09 | a | 1.39 | d | 24.02 | |||||
2000 | 2.64 | c | 1.47 | e | 1.07 | 1.97 | 1.54 | b | 3.77 | b | 0.25 | 0.66 | 2.23 | a | 1.60 | a | 0.52 | d | 1.56 | 19.28 | ||||||
2001 | 0.64 | a | 1.22 | b | 1.27 | 3.76 | 1.21 | 3.89 | a | 0.71 | b | 0.03 | 0.82 | 2.28 | 0.54 | 1.68 | a | 18.05 | ||||||||
2002 | 3.60 | 3.42 | 3.27 | c | 2.19 | b | 4.38 | 7.23 | 0.69 | 1.73 | a | 1.74 | i | 2.36 | h | 0.21 | 1.39 | f | 26.72 | c | ||||||
2003 | 1.22 | h | 1.85 | h | 5.78 | o | 1.54 | a | ----- | z | ----- | z | 0.05 | 0.01 | 1.01 | ----- | z | ----- | z | 0.56 | k | 2.61 | h | |||
2004 | 2.83 | 0.53 | 1.22 | 1.92 | 2.57 | 3.27 | 0.95 | 3.05 | 1.35 | 2.02 | 1.34 | 1.70 | d | 22.75 | ||||||||||||
2005 | 1.30 | 0.84 | 0.49 | 1.54 | 1.73 | c | 7.59 | a | 0.37 | a | 3.08 | 5.42 | b | 1.74 | 2.06 | 0.57 | j | 26.16 | a | |||||||
2006 | 2.22 | i | 2.05 | a | 1.50 | a | 1.86 | e | 0.61 | p | 4.38 | e | 0.48 | e | 1.60 | ----- | z | 1.05 | d | 5.24 | g | 1.86 | s | 12.92 | e | |
2007 | 1.04 | a | 1.84 | c | 1.62 | h | 1.59 | g | 2.78 | 1.92 | e | 0.48 | 0.45 | 2.26 | i | 2.14 | a | 1.66 | f | 2.22 | f | 10.65 | e | |||
2008 | 2.32 | p | ----- | z | 1.01 | a | 0.61 | c | 6.65 | b | 3.87 | c | ----- | z | ----- | z | ----- | z | 0.61 | a | 1.64 | a | 2.16 | f | 14.39 | f |
2009 | 1.55 | ----- | z | 2.65 | e | 2.90 | 1.15 | e | 1.40 | 4.91 | d | 1.82 | b | 0.12 | a | 2.69 | b | 1.53 | a | 1.46 | 22.18 | a | ||||
2010 | 0.38 | 0.38 | 0.35 | 2.03 | 4.43 | 4.73 | 1.29 | 1.88 | b | 2.39 | a | 0.14 | 2.05 | 2.43 | 22.48 | |||||||||||
2011 | 1.59 | q | ----- | z | 1.75 | p | 4.02 | j | ----- | z | 2.54 | w | 0.59 | y | ----- | z | 0.94 | 3.12 | x | 2.45 | q | 1.56 | 2.50 | j | ||
2012 | 1.41 | g | 0.80 | c | 4.67 | q | 1.06 | a | 1.03 | v | 3.88 | 0.68 | y | 0.61 | ----- | z | 3.13 | a | 2.69 | 2.43 | 14.60 | e | ||||
2013 | 1.26 | 1.05 | 2.32 | 2.62 | 2.06 | 2.80 | 0.34 | 1.55 | 2.99 | 0.52 | 1.71 | 1.82 | 21.04 | |||||||||||||
2014 | 2.33 | 2.35 | 4.44 | a | 1.95 | ----- | z | 7.07 | q | 0.75 | 2.31 | 0.72 | 1.93 | 5.34 | 2.16 | 24.28 | b | |||||||||
2015 | 1.25 | 0.66 | 2.17 | x | 1.37 | j | 2.33 | p | 1.71 | 1.42 | b | 0.96 | b | 1.67 | b | 1.24 | h | ----- | z | ----- | z | 7.67 | f | |||
2016 | ----- | z | ----- | z | ----- | z | 0.44 | s | 3.76 | j | 0.88 | s | 1.12 | u | 1.98 | n | 3.00 | o | 3.94 | w | 1.76 | o | 1.99 | x | 0.00 | l |
2017 | 2.19 | t | 6.99 | h | 1.88 | y | ----- | z | ----- | z | ----- | z | 0.10 | c | 0.33 | 0.40 | a | ----- | z | ----- | z | ----- | z | 0.83 | i | |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.82 | ----- | z | ----- | z | ----- | z | 0.82 | k | |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | 0.36 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.96 | 1.66 | 1.86 | 1.96 | 2.95 | 3.49 | 1.58 | 1.53 | 1.89 | 2.09 | 2.52 | 2.08 | 26.23 | |||||||||||||
S.D. | 1.13 | 1.25 | 0.97 | 0.82 | 1.50 | 1.86 | 1.96 | 1.25 | 1.43 | 1.45 | 1.95 | 1.06 | 6.18 | |||||||||||||
SKEW | 0.45 | 1.68 | 0.85 | 0.83 | 1.13 | 0.87 | 2.27 | 1.23 | 1.37 | 0.75 | 1.25 | 1.09 | 0.61 | |||||||||||||
MAX | 4.81 | 6.14 | 4.44 | 3.87 | 6.75 | 7.59 | 8.99 | 5.69 | 6.34 | 6.20 | 8.55 | 5.16 | 37.59 | |||||||||||||
MIN | 0.27 | 0.38 | 0.35 | 0.61 | 1.15 | 1.31 | 0.02 | 0.01 | 0.12 | 0.11 | 0.18 | 0.40 | 18.05 | |||||||||||||
YRS | 28 | 30 | 28 | 30 | 29 | 31 | 33 | 34 | 32 | 30 | 30 | 27 | 19 |