YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | 0.55 | 0.40 | 0.36 | 0.30 | 0.22 | 0.10 | 0.42 | 0.37 | ----- | z | ||||||||
1990 | 0.05 | 0.50 | 1.00 | 0.40 | 0.70 | 0.30 | 0.90 | 0.15 | 0.40 | 0.20 | 0.40 | 0.45 | a | 1.00 | a | |||||||||||
1991 | 0.15 | 0.25 | 0.75 | 0.90 | 1.25 | 1.50 | 0.30 | 0.50 | 0.30 | 0.75 | 0.60 | a | 0.20 | a | 1.50 | b | ||||||||||
1992 | 0.65 | 0.25 | 1.00 | 0.39 | 0.45 | 0.20 | 0.30 | 0.55 | 0.40 | a | 0.35 | 0.57 | 0.50 | 1.00 | a | |||||||||||
1993 | 0.40 | 0.70 | a | 0.40 | a | 1.00 | 0.60 | 0.33 | 0.80 | 0.08 | 0.33 | 0.25 | 0.25 | 0.27 | a | 1.00 | c | |||||||||
1994 | 0.58 | c | 0.45 | 0.30 | a | 0.80 | 0.00 | k | 0.18 | 0.50 | 0.60 | 0.30 | 0.35 | a | 0.09 | n | ----- | z | ----- | z | ||||||
1995 | 0.20 | a | 0.70 | 0.58 | 0.74 | 0.40 | 0.57 | ----- | z | 0.37 | 0.21 | 0.45 | a | 0.70 | 0.54 | ----- | z | |||||||||
1996 | 0.98 | 0.83 | 0.90 | 0.82 | b | 0.85 | 0.64 | a | 0.23 | 0.48 | 0.60 | 0.61 | 0.25 | d | 0.64 | 0.98 | g | |||||||||
1997 | 0.46 | 0.22 | 0.28 | 0.71 | a | 1.09 | c | 0.25 | f | 0.48 | 0.42 | 0.53 | 0.35 | 0.40 | 0.13 | 1.09 | j | |||||||||
1998 | 0.37 | 0.31 | 0.28 | 2.05 | d | 0.27 | e | 0.23 | 0.58 | 0.25 | 0.32 | 0.63 | 0.53 | 0.38 | 2.05 | i | ||||||||||
1999 | 0.22 | a | 0.35 | 0.37 | 0.30 | 0.17 | 0.46 | 0.60 | 0.75 | 0.55 | 0.35 | 0.20 | 0.35 | 0.75 | a | |||||||||||
2000 | 0.40 | a | 0.48 | 0.27 | 1.40 | 0.66 | g | 0.72 | 0.64 | 1.10 | 0.69 | 0.24 | c | 0.55 | a | 0.51 | 1.40 | l | ||||||||
2001 | 0.22 | 0.25 | 0.40 | 0.75 | 0.37 | 0.52 | 0.62 | 0.31 | 0.73 | 0.40 | 0.43 | 0.21 | 0.75 | |||||||||||||
2002 | 0.31 | 0.19 | a | 0.24 | 0.36 | 0.42 | a | 0.17 | 0.42 | 0.53 | 0.78 | 0.55 | 0.70 | 0.11 | 0.78 | b | ||||||||||
2003 | 0.60 | 0.31 | 1.90 | 1.60 | 0.74 | 0.28 | 0.62 | 1.05 | a | 0.68 | 0.13 | 0.35 | 0.39 | 1.90 | a | |||||||||||
2004 | 0.43 | 0.25 | 0.18 | 0.23 | 0.19 | 0.98 | 0.19 | 1.65 | 0.90 | 0.86 | 0.50 | 0.57 | 1.65 | |||||||||||||
2005 | 0.46 | 0.25 | 0.20 | a | 0.92 | b | 0.49 | b | 0.67 | 0.20 | 0.44 | a | 0.90 | a | 0.71 | a | 0.86 | a | 0.80 | 0.92 | i | |||||
2006 | 0.49 | 0.19 | a | 0.20 | 0.37 | c | 2.50 | b | 0.00 | d | 1.40 | 0.60 | 0.35 | 1.40 | 0.62 | 0.97 | 2.50 | j | ||||||||
2007 | 1.00 | a | 0.50 | 0.70 | 0.60 | a | 0.26 | 0.24 | 0.87 | g | 0.50 | 0.95 | 0.45 | 0.20 | 0.50 | 1.00 | i | |||||||||
2008 | 0.50 | 0.55 | 0.70 | 0.69 | 1.02 | b | 0.19 | 0.30 | 2.00 | 1.00 | 0.35 | 0.20 | 0.46 | 2.00 | b | |||||||||||
2009 | 0.45 | 0.50 | 0.17 | 1.05 | 0.25 | a | 0.75 | 0.60 | 0.28 | 0.30 | 0.37 | 0.45 | 0.20 | 1.05 | a | |||||||||||
2010 | 0.10 | 0.20 | 0.10 | 1.60 | 0.60 | 0.40 | 0.56 | 0.40 | 0.21 | 1.10 | 0.35 | 0.38 | 1.60 | |||||||||||||
2011 | 0.45 | 0.28 | 0.40 | 0.50 | b | 0.30 | 0.70 | 0.50 | b | 0.36 | a | 0.37 | c | 0.45 | a | 0.80 | d | 0.10 | d | 0.80 | q | |||||
2012 | 0.40 | c | 0.49 | a | 0.18 | 0.55 | a | 0.65 | 0.20 | 0.75 | a | 0.19 | c | 0.60 | b | 0.40 | 0.10 | 0.40 | a | 0.75 | l | |||||
2013 | 0.19 | 0.20 | 0.90 | b | 0.88 | 0.54 | c | 0.00 | 0.52 | a | 0.67 | 0.54 | 0.26 | a | 0.42 | 0.45 | 0.90 | g | ||||||||
2014 | 2.40 | a | 0.40 | d | 0.48 | a | 0.49 | b | 0.50 | a | 0.08 | a | 0.78 | b | 0.38 | 0.73 | b | 0.35 | e | 0.41 | d | 0.54 | 2.40 | w | ||
2015 | 0.07 | c | 0.38 | a | 0.10 | 0.55 | a | 0.60 | 0.12 | a | 0.50 | c | 0.25 | 0.20 | a | 0.31 | a | 0.41 | 0.69 | d | 0.69 | o | ||||
2016 | 0.50 | e | 0.19 | b | 0.62 | d | 0.68 | 0.60 | e | 0.40 | b | 0.30 | b | 0.38 | 0.06 | d | 0.41 | f | 0.47 | d | 0.50 | f | ----- | z | ||
2017 | 0.50 | b | 0.33 | a | 0.35 | 0.35 | a | 0.90 | 0.05 | b | 0.40 | a | 0.35 | 0.31 | b | 1.15 | 0.41 | b | 0.54 | 1.15 | k | |||||
2018 | 0.31 | a | 0.35 | a | 0.53 | a | 0.57 | b | 0.18 | e | 0.23 | a | 0.29 | a | 0.34 | b | 0.04 | b | 0.56 | a | 0.75 | d | 0.17 | e | ----- | z |
2019 | 0.50 | g | 0.30 | d | 0.75 | 0.59 | i | 0.23 | h | 0.60 | c | 0.37 | c | 0.90 | 0.24 | c | 0.33 | a | 0.40 | d | 0.60 | e | ----- | z | ||
2020 | 0.50 | l | 0.00 | k | 0.00 | o | ----- | z | 0.36 | c | 0.65 | c | 0.20 | a | 0.17 | 0.49 | a | 0.58 | 0.80 | b | 0.30 | d | ----- | z | ||
2021 | 0.35 | e | 1.25 | 0.80 | g | 0.40 | e | 0.28 | a | 0.40 | 0.16 | c | 1.05 | b | 0.12 | a | 0.16 | b | 0.25 | b | 0.51 | k | ----- | z | ||
2022 | 0.25 | e | 0.27 | c | 0.52 | a | 0.43 | a | 0.50 | 0.23 | c | 0.91 | d | 0.50 | 0.19 | 0.41 | 0.49 | 0.65 | 0.91 | q | ||||||
2023 | 0.47 | 0.34 | 0.39 | 0.19 | a | 1.10 | 0.50 | 0.57 | 0.70 | 0.38 | 0.59 | a | 0.23 | 0.22 | 1.10 | b | ||||||||||
2024 | 0.81 | g | 0.74 | 0.91 | i | 0.80 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.47 | 0.40 | 0.50 | 0.73 | 0.61 | 0.41 | 0.51 | 0.56 | 0.45 | 0.49 | 0.46 | 0.42 | 1.24 | |||||||||||||
S.D. | 0.41 | 0.23 | 0.37 | 0.43 | 0.45 | 0.31 | 0.26 | 0.41 | 0.26 | 0.29 | 0.19 | 0.21 | 0.44 | |||||||||||||
SKEW | 3.33 | 1.84 | 1.84 | 1.36 | 2.49 | 1.38 | 1.21 | 1.90 | 0.48 | 1.43 | 0.34 | 0.43 | 0.51 | |||||||||||||
MAX | 2.40 | 1.25 | 1.90 | 2.05 | 2.50 | 1.50 | 1.40 | 2.00 | 1.00 | 1.40 | 0.86 | 0.97 | 2.00 | |||||||||||||
MIN | 0.05 | 0.19 | 0.10 | 0.19 | 0.17 | 0.00 | 0.16 | 0.08 | 0.04 | 0.10 | 0.10 | 0.10 | 0.75 | |||||||||||||
YRS | 32 | 34 | 32 | 32 | 32 | 34 | 33 | 35 | 35 | 34 | 34 | 32 | 13 |