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 | 0.19 | 0.57 | 0.44 | ----- | z | |||
1988 | 0.53 | 0.03 | a | 0.53 | 0.04 | 0.49 | 1.10 | 0.81 | 1.89 | c | 2.40 | 0.22 | 1.95 | 0.46 | e | 2.40 | i | |||||||||
1989 | 0.21 | a | 0.03 | a | 0.51 | 0.41 | 1.03 | 0.87 | 0.93 | 0.65 | f | 1.13 | d | 0.48 | 0.15 | 0.11 | b | 1.13 | n | |||||||
1990 | 0.08 | 0.25 | a | 0.62 | 0.35 | 0.20 | a | 1.85 | a | 1.50 | d | 0.42 | i | 0.36 | b | 1.80 | b | 0.07 | b | 0.56 | j | ----- | z | |||
1991 | 0.15 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.21 | 0.79 | 1.38 | 0.68 | 0.97 | 0.25 | ----- | z | ||||||
1992 | 0.32 | 0.27 | 0.10 | d | 0.47 | 0.30 | 1.42 | 2.64 | 0.66 | 0.69 | ----- | z | 0.26 | 0.17 | ----- | z | ||||||||||
1993 | 0.17 | 0.04 | 0.39 | 1.13 | 1.64 | 1.89 | 1.82 | 1.66 | 0.80 | 0.20 | 0.57 | 0.31 | 1.89 | |||||||||||||
1994 | 0.19 | 0.25 | a | 0.32 | 0.73 | 0.64 | 2.17 | 1.38 | 0.63 | 1.08 | 0.86 | 0.45 | 0.10 | 2.17 | a | |||||||||||
1995 | 0.55 | 0.32 | 0.52 | ----- | z | 0.69 | 0.31 | 1.85 | 1.16 | a | 2.91 | 1.64 | 0.58 | b | 0.32 | p | ----- | z | ||||||||
1996 | 1.30 | c | 0.41 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.18 | h | 1.19 | c | 1.24 | e | 0.87 | d | 0.05 | a | 0.00 | b | ----- | z |
2002 | 0.00 | 0.00 | i | 1.00 | r | 0.51 | q | 0.68 | e | 3.22 | f | 1.75 | d | 0.81 | c | ----- | z | 1.10 | p | 0.19 | ----- | z | ----- | z | ||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.80 | s | 0.52 | f | 0.03 | e | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | 1.47 | b | ----- | z | 1.04 | d | 0.54 | d | 1.91 | e | ----- | z | 2.69 | d | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.60 | g | 1.20 | e | 0.24 | k | 0.17 | d | ----- | z |
2008 | 0.01 | e | 0.13 | j | 0.05 | h | 0.98 | e | 0.64 | a | 0.85 | b | 2.14 | b | 0.58 | c | 1.90 | e | 1.06 | e | 0.74 | g | 0.30 | i | ----- | z |
2009 | 0.31 | n | 0.30 | m | 1.30 | j | 0.43 | p | 0.80 | m | 0.68 | k | 0.42 | f | 0.73 | f | 1.38 | f | 1.53 | i | 0.28 | k | 0.70 | q | ----- | z |
2010 | 0.39 | y | ----- | z | 0.30 | x | 0.70 | q | 0.70 | e | 1.20 | d | 1.50 | b | 2.74 | 2.11 | 0.19 | a | 0.25 | d | 0.14 | b | ----- | z | ||
2011 | 0.26 | b | 0.08 | 0.12 | 1.59 | d | 1.05 | 3.84 | 1.52 | u | 1.28 | 0.52 | 0.12 | 0.13 | 0.13 | ----- | z | |||||||||
2012 | 0.33 | a | 0.24 | 1.25 | 1.60 | 0.85 | 0.78 | 0.82 | 1.25 | 0.25 | 0.67 | 0.25 | 0.34 | b | 1.60 | c | ||||||||||
2013 | 0.77 | 1.16 | 0.42 | 0.45 | 0.78 | 0.66 | 0.69 | 0.34 | 0.70 | 0.70 | 0.45 | 0.63 | 1.16 | |||||||||||||
2014 | 0.20 | 0.26 | 0.60 | 1.00 | 0.83 | 2.23 | 1.32 | 1.21 | 0.43 | 0.52 | 0.22 | 0.10 | 2.23 | |||||||||||||
2015 | 0.20 | a | 0.31 | 0.21 | 0.35 | 1.50 | 1.45 | 0.98 | 0.59 | 0.70 | a | 0.77 | 1.03 | c | 0.24 | b | 1.50 | g | ||||||||
2016 | 0.31 | a | 0.46 | r | 0.28 | v | 1.11 | k | 0.48 | c | 0.72 | g | 1.58 | 1.80 | 0.86 | 0.32 | e | 0.50 | s | 1.00 | m | ----- | z | |||
2017 | 0.34 | t | 0.23 | r | 0.33 | x | 0.75 | o | 0.64 | 1.26 | 0.90 | 0.74 | a | 1.62 | 0.64 | d | 0.18 | u | 0.62 | p | ----- | z | ||||
2018 | 0.33 | y | 0.28 | p | 0.25 | b | 0.33 | d | 1.36 | 1.43 | 1.25 | 0.84 | 1.02 | 0.85 | b | 0.25 | b | 0.52 | e | ----- | z | |||||
2019 | 0.44 | 0.37 | 0.85 | 1.09 | 0.60 | 1.60 | 1.15 | 1.33 | 1.05 | 1.55 | 0.29 | b | 0.96 | b | 1.60 | d | ||||||||||
2020 | 0.42 | c | 0.03 | c | 0.08 | a | 0.36 | h | 0.78 | b | 1.65 | 1.30 | c | 1.60 | b | 0.54 | 0.47 | 0.23 | b | 0.35 | b | ----- | z | |||
2021 | 0.29 | b | 0.04 | a | 0.41 | b | 0.93 | a | 0.66 | a | 0.69 | 0.61 | 1.22 | 0.80 | b | 1.63 | a | 1.19 | d | 0.50 | b | 1.63 | p | |||
2022 | 0.30 | 0.42 | b | 0.30 | 1.66 | c | 0.97 | 1.61 | 0.43 | 0.76 | 0.97 | a | 0.69 | b | 0.52 | b | 0.46 | a | 1.66 | k | ||||||
2023 | 0.07 | a | 0.32 | 0.70 | 0.67 | a | 0.75 | 0.85 | 0.76 | 1.59 | 1.02 | 0.58 | a | 0.18 | c | 0.92 | a | 1.59 | g | |||||||
2024 | 0.20 | c | 0.30 | a | 0.30 | 0.41 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.32 | 0.27 | 0.45 | 0.81 | 0.82 | 1.41 | 1.26 | 1.13 | 1.14 | 0.76 | 0.54 | 0.35 | 1.78 | |||||||||||||
S.D. | 0.28 | 0.25 | 0.29 | 0.49 | 0.37 | 0.76 | 0.52 | 0.55 | 0.67 | 0.49 | 0.62 | 0.26 | 0.40 | |||||||||||||
SKEW | 2.02 | 2.21 | 1.13 | 0.39 | 0.73 | 1.47 | 0.72 | 0.98 | 1.03 | 0.74 | 2.17 | 0.98 | -0.29 | |||||||||||||
MAX | 1.30 | 1.16 | 1.25 | 1.66 | 1.64 | 3.84 | 2.64 | 2.74 | 2.91 | 1.80 | 2.69 | 0.96 | 2.23 | |||||||||||||
MIN | 0.00 | 0.03 | 0.08 | 0.04 | 0.20 | 0.31 | 0.43 | 0.34 | 0.25 | 0.12 | 0.03 | 0.00 | 1.16 | |||||||||||||
YRS | 23 | 19 | 19 | 17 | 24 | 21 | 24 | 24 | 25 | 25 | 25 | 21 | 6 |