YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.17 | 0.04 | ----- | z | ||
1980 | 2.07 | 2.52 | 1.46 | 0.66 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.47 | 0.00 | 0.30 | 2.52 | |||||||||||||
1981 | 1.90 | 0.91 | a | 1.02 | a | 0.33 | 0.15 | ----- | z | 0.00 | 0.00 | 0.00 | 0.16 | 0.62 | 0.59 | ----- | z | |||||||||
1982 | 0.92 | 0.89 | 1.69 | 0.88 | ----- | z | 0.00 | 0.00 | 0.00 | 0.32 | 0.13 | 1.81 | ----- | z | ----- | z | ||||||||||
1983 | 0.93 | 1.00 | a | 1.85 | 0.51 | 0.13 | 0.00 | 0.00 | 0.09 | 0.07 | 0.12 | a | 1.15 | 0.76 | 1.85 | b | ||||||||||
1984 | 0.17 | 0.14 | 0.00 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | a | 1.23 | 1.23 | a | |||||||||||
1985 | 0.43 | 0.40 | 0.28 | 0.18 | 0.10 | a | 0.00 | 0.00 | 0.00 | 0.19 | 0.06 | 2.40 | 0.65 | 2.40 | a | |||||||||||
1986 | 0.65 | ----- | z | 0.56 | 0.58 | 0.00 | 0.00 | 0.00 | 0.13 | 0.75 | 1.90 | 1.10 | 1.35 | ----- | z | |||||||||||
1987 | 1.34 | 0.87 | 0.47 | 0.34 | 0.05 | 0.00 | 0.00 | 0.00 | 0.25 | 0.60 | ----- | z | 1.20 | a | ----- | z | ||||||||||
1988 | 1.10 | 1.63 | 0.09 | 0.92 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.75 | 1.63 | |||||||||||||
1989 | 0.10 | 0.00 | 0.22 | b | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.11 | 0.24 | 0.12 | 0.18 | 0.24 | b | |||||||||||
1990 | 0.84 | 0.62 | 0.22 | 0.21 | 0.34 | 0.47 | 0.03 | a | 0.00 | 0.00 | 0.11 | 0.57 | 0.70 | 0.84 | a | |||||||||||
1991 | 0.63 | 1.30 | 1.90 | 0.14 | 0.00 | 0.00 | 0.68 | 0.01 | ----- | z | 0.70 | 0.10 | 0.50 | ----- | z | |||||||||||
1992 | 1.13 | 2.00 | 0.98 | ----- | z | 0.01 | ----- | z | 0.07 | 0.10 | 0.00 | ----- | z | 0.00 | 1.07 | ----- | z | |||||||||
1993 | 1.85 | 1.05 | 0.90 | a | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.15 | 0.65 | 0.57 | 1.85 | a | |||||||||||
1994 | 0.64 | 0.98 | ----- | z | 0.30 | 0.01 | ----- | z | 0.06 | 0.02 | ----- | z | 0.07 | 0.20 | 0.16 | ----- | z | |||||||||
1995 | 2.09 | 2.02 | 2.11 | 0.62 | 0.30 | 0.16 | 0.02 | 0.00 | 0.00 | 0.00 | 0.16 | 0.50 | 2.11 | |||||||||||||
1996 | ----- | z | 1.60 | 1.84 | 0.35 | 0.02 | 0.00 | 0.05 | 0.00 | 0.00 | 0.50 | a | 1.60 | 0.40 | ----- | z | ||||||||||
1997 | 1.60 | 0.40 | 0.00 | 0.16 | 0.00 | 0.00 | 0.02 | 0.00 | ----- | z | 0.03 | 0.75 | ----- | z | ----- | z | ||||||||||
1998 | 0.65 | 2.40 | 1.70 | ----- | z | 0.77 | 0.05 | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | ----- | z | ----- | z | ||||||
1999 | 0.76 | 0.38 | 0.30 | a | 0.40 | 0.00 | 0.06 | 0.00 | 0.03 | 0.02 | 0.00 | 0.00 | 0.20 | 0.76 | a | |||||||||||
2000 | 0.00 | 1.96 | b | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.00 | 0.01 | 1.96 | b | |||||||||||
2001 | 1.21 | 0.80 | 0.74 | 0.50 | 0.00 | 0.00 | 0.28 | 0.00 | 0.00 | 0.00 | 0.50 | 0.20 | c | 1.21 | c | |||||||||||
2002 | 0.20 | 0.00 | 0.30 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.36 | a | 0.00 | 1.01 | 1.03 | d | 1.03 | e | ||||||||||
2003 | 0.00 | 0.83 | 0.19 | b | 0.90 | 0.07 | 0.07 | 0.70 | 0.01 | 0.00 | 0.00 | 1.30 | 0.40 | 1.30 | b | |||||||||||
2004 | 0.01 | 1.08 | 0.34 | 0.10 | h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.80 | 0.25 | 1.65 | 1.80 | h | |||||||||||
2005 | 1.01 | 1.10 | b | 1.30 | 0.74 | a | 0.06 | 0.00 | 0.28 | 0.00 | a | 0.00 | e | 0.51 | f | 0.08 | c | 0.35 | 1.30 | r | ||||||
2006 | 0.48 | 1.35 | b | 1.10 | d | 1.20 | 0.72 | 0.00 | 1.90 | 0.10 | 0.00 | 0.01 | k | 0.00 | 0.65 | b | 1.90 | s | ||||||||
2007 | 0.85 | 1.30 | 0.12 | 0.30 | 0.00 | d | 0.00 | 0.00 | c | 0.35 | j | 0.00 | h | 0.00 | g | 0.80 | 0.60 | ----- | z | |||||||
2008 | 1.25 | 0.71 | a | 0.25 | l | 0.00 | 0.41 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 2.20 | 2.20 | n | |||||||||
2009 | 0.02 | 1.20 | 0.16 | 0.10 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 0.01 | 0.70 | 1.22 | 1.22 | |||||||||||||
2010 | 2.00 | 0.90 | d | 0.90 | 1.00 | d | 0.10 | 0.00 | 0.00 | 0.00 | 0.28 | 1.45 | 0.90 | 3.80 | 3.80 | h | ||||||||||
2011 | 0.50 | 1.30 | 1.15 | 0.32 | d | 0.20 | 0.05 | 0.00 | 0.00 | 0.06 | 0.44 | 1.16 | b | 0.71 | 1.30 | f | ||||||||||
2012 | 0.29 | 0.45 | 0.87 | 0.48 | 0.04 | 0.00 | 0.00 | 0.01 | 0.00 | 0.26 | 0.20 | 1.31 | 1.31 | |||||||||||||
2013 | 0.77 | 0.55 | 0.94 | 0.03 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.41 | 0.25 | 0.38 | 0.94 | |||||||||||||
2014 | 0.14 | 0.75 | 0.37 | 0.22 | 0.00 | 0.00 | 0.00 | 0.28 | 0.00 | 0.01 | 0.29 | 0.57 | 0.75 | |||||||||||||
2015 | 0.44 | 0.30 | 0.71 | 0.08 | 0.51 | 0.20 | 0.28 | 0.01 | 0.30 | 0.68 | 0.45 | 0.44 | 0.71 | |||||||||||||
2016 | 1.53 | 0.08 | 0.40 | 0.30 | 0.41 | 0.00 | 0.00 | 0.00 | 0.30 | 0.15 | 0.55 | 1.26 | 1.53 | |||||||||||||
2017 | 1.14 | 1.49 | 0.11 | 0.00 | 0.90 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.05 | 1.49 | |||||||||||||
2018 | 1.24 | 0.61 | 0.49 | 0.08 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 0.63 | 1.63 | 1.63 | |||||||||||||
2019 | 0.65 | 2.15 | 0.26 | 0.07 | 0.35 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 1.54 | 1.46 | 2.15 | |||||||||||||
2020 | 0.20 | 0.31 | 0.88 | 1.88 | 0.02 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 1.88 | |||||||||||||
2021 | 1.16 | 0.12 | 0.43 | 0.16 | 0.02 | 0.00 | 0.10 | 0.00 | 0.09 | 0.71 | 0.00 | 1.49 | 1.49 | |||||||||||||
2022 | 0.12 | 0.70 | 0.75 | 0.25 | 0.00 | 0.00 | 0.00 | 0.02 | 0.10 | 0.10 | 1.30 | 0.65 | 1.30 | |||||||||||||
2023 | 2.28 | 1.25 | 1.23 | 0.04 | 0.19 | 0.09 | 0.00 | 1.20 | 0.05 | 0.08 | 0.44 | 0.55 | 2.28 | |||||||||||||
2024 | 2.75 | 1.52 | 1.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.91 | 1.00 | 0.76 | 0.38 | 0.16 | 0.04 | 0.10 | 0.05 | 0.09 | 0.32 | 0.60 | 0.81 | 1.48 | |||||||||||||
S.D. | 0.70 | 0.65 | 0.60 | 0.39 | 0.23 | 0.10 | 0.32 | 0.19 | 0.15 | 0.48 | 0.56 | 0.69 | 0.58 | |||||||||||||
SKEW | 0.67 | 0.51 | 0.63 | 1.74 | 1.67 | 2.77 | 4.46 | 5.60 | 2.48 | 2.05 | 1.16 | 2.11 | -0.10 | |||||||||||||
MAX | 2.75 | 2.52 | 2.11 | 1.88 | 0.90 | 0.47 | 1.90 | 1.20 | 0.75 | 1.90 | 2.40 | 3.80 | 2.52 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.24 | |||||||||||||
YRS | 44 | 44 | 43 | 41 | 43 | 41 | 43 | 42 | 39 | 39 | 44 | 42 | 26 |