YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | 0.34 | 0.36 | 0.36 | 1.65 | 1.88 | 0.62 | 2.95 | 4.54 | 0.64 | 0.63 | 0.34 | 14.31 | a | |||||||||||
1981 | 0.22 | 0.14 | 0.32 | 1.31 | 1.28 | 1.48 | 1.52 | 4.97 | 2.09 | 3.98 | 0.56 | 0.10 | 17.97 | |||||||||||||
1982 | 0.19 | 0.44 | a | 0.28 | 0.24 | 1.90 | a | 2.72 | 3.00 | 0.14 | 0.24 | 0.22 | 1.02 | 1.28 | e | 11.67 | ||||||||||
1983 | 1.72 | a | 0.78 | a | 0.03 | 0.59 | 1.59 | 2.11 | 0.58 | 0.28 | d | 0.70 | 3.47 | 0.48 | 0.33 | 12.66 | ||||||||||
1984 | 0.16 | 0.10 | 0.35 | 0.21 | a | 1.29 | 3.38 | 2.44 | 5.58 | a | 1.05 | 4.10 | 1.41 | c | 1.54 | 21.61 | ||||||||||
1985 | 0.68 | 0.57 | 1.96 | 0.31 | 3.16 | 4.80 | 1.74 | 0.72 | 5.53 | 3.69 | 0.43 | 0.14 | a | 23.73 | ||||||||||||
1986 | 0.00 | 0.75 | a | 0.70 | c | 0.67 | 2.62 | 5.49 | 1.74 | a | 3.12 | b | 4.41 | 3.90 | 1.64 | 1.69 | b | 26.73 | ||||||||
1987 | 0.42 | a | 0.98 | 0.15 | 0.05 | 3.26 | 2.16 | 2.96 | 6.46 | 4.48 | 1.22 | 0.15 | 0.82 | 23.11 | ||||||||||||
1988 | 0.08 | 0.18 | 0.07 | 1.94 | 5.36 | 3.03 | 3.15 | 1.98 | 3.90 | 0.14 | 0.32 | 0.19 | 20.34 | |||||||||||||
1989 | 0.00 | 0.65 | 0.23 | 0.01 | 0.11 | 2.81 | 3.16 | 5.88 | 3.02 | 0.00 | 0.00 | 0.28 | 16.15 | |||||||||||||
1990 | 1.02 | 0.87 | 1.04 | 1.29 | 0.30 | 0.07 | 1.54 | 1.22 | 1.88 | 0.76 | 0.88 | 0.16 | 11.03 | |||||||||||||
1991 | 0.93 | 0.21 | 0.51 | 0.00 | 1.17 | b | 2.79 | 2.71 | a | 2.90 | a | 4.63 | a | 1.72 | 1.02 | d | 2.89 | 21.48 | ||||||||
1992 | 1.28 | 0.65 | 0.33 | 1.93 | 3.65 | 5.59 | a | 0.70 | 1.48 | 2.22 | 0.01 | 0.70 | 0.99 | 19.53 | ||||||||||||
1993 | 0.89 | 0.00 | a | 0.21 | 0.56 | 0.44 | 1.40 | 3.56 | 1.72 | 1.58 | 0.76 | 0.55 | 0.11 | 11.78 | ||||||||||||
1994 | 0.00 | 0.00 | 0.97 | 1.11 | 3.69 | 0.52 | 2.09 | 2.04 | 0.86 | 0.28 | 0.93 | 0.17 | 12.66 | |||||||||||||
1995 | 0.07 | 0.00 | 0.31 | 1.03 | 2.39 | 0.50 | 0.87 | 1.84 | 2.45 | 0.65 | 0.11 | 0.55 | 10.77 | |||||||||||||
1996 | 0.05 | 0.01 | 0.01 | 0.00 | 1.53 | 3.62 | 2.42 | 4.28 | 1.07 | 0.57 | 0.16 | 0.00 | 13.72 | |||||||||||||
1997 | 0.28 | 0.35 | 0.01 | 3.22 | 2.54 | 3.46 | a | 3.12 | 3.77 | 2.12 | 0.96 | 0.64 | 1.82 | 22.29 | ||||||||||||
1998 | 0.00 | 0.79 | 1.17 | 0.14 | 0.57 | 0.10 | 0.23 | 1.13 | 0.72 | 2.16 | 2.39 | 0.42 | a | 9.82 | ||||||||||||
1999 | 1.60 | 0.00 | a | 1.88 | 0.90 | 6.36 | 8.01 | 1.23 | 2.12 | 2.08 | 0.76 | 0.00 | 0.79 | 25.73 | ||||||||||||
2000 | 0.00 | 0.00 | 1.18 | 0.51 | 0.70 | 3.77 | 2.02 | 0.28 | 0.00 | 2.59 | 1.06 | 1.30 | c | 13.41 | ||||||||||||
2001 | 1.20 | 0.36 | 3.23 | 0.15 | 6.76 | 0.40 | 0.65 | 2.09 | 1.36 | 0.57 | 1.99 | 0.18 | 18.94 | |||||||||||||
2002 | 1.02 | 0.24 | 3.14 | 3.11 | b | 0.17 | 0.86 | 1.41 | 2.74 | 3.92 | 3.89 | 0.59 | 1.32 | 22.41 | ||||||||||||
2003 | 0.00 | 0.41 | 0.36 | 0.08 | 0.80 | 4.66 | 0.00 | 0.61 | 0.56 | 0.54 | 0.16 | 0.00 | 8.18 | |||||||||||||
2004 | 1.05 | a | 2.05 | 1.74 | 3.27 | 0.77 | 4.74 | 4.72 | 8.15 | 14.02 | a | 3.87 | 3.42 | 0.31 | 48.11 | |||||||||||
2005 | 1.35 | 0.76 | 0.77 | 0.32 | 1.62 | 0.99 | 2.43 | 8.36 | 0.24 | 1.20 | 0.00 | 0.03 | 18.07 | |||||||||||||
2006 | 0.00 | 0.04 | 1.04 | 0.27 | 1.10 | 0.95 | 0.84 | 2.20 | a | 3.19 | 2.00 | 0.10 | 1.30 | 13.03 | ||||||||||||
2007 | 0.95 | 0.07 | 3.21 | 0.63 | b | 7.30 | 4.00 | b | 1.11 | 0.68 | 1.30 | 0.57 | 0.14 | 0.95 | 20.91 | |||||||||||
2008 | 0.02 | 0.18 | 0.04 | 0.45 | 3.56 | 1.24 | 2.04 | 3.70 | 2.96 | 3.83 | 0.05 | 0.18 | 18.25 | |||||||||||||
2009 | 0.01 | 0.39 | 0.10 | 0.40 | 1.59 | 2.32 | 6.57 | 1.51 | 0.44 | 2.66 | 0.26 | 1.26 | 17.51 | |||||||||||||
2010 | 1.14 | a | 1.32 | 1.02 | 1.35 | 1.30 | 0.72 | 4.86 | 3.07 | 1.95 | 0.81 | 0.40 | 0.02 | 17.96 | ||||||||||||
2011 | 0.04 | 0.28 | a | 0.15 | 0.00 | 0.08 | 0.08 | 1.73 | 1.51 | 0.82 | 1.50 | 0.18 | 1.51 | 7.88 | ||||||||||||
2012 | 0.00 | 0.31 | 0.63 | 0.54 | 1.49 | 2.38 | 0.73 | 1.55 | 1.06 | 0.49 | 0.02 | 0.56 | 9.76 | |||||||||||||
2013 | 0.58 | 1.19 | 0.14 | 0.17 | 0.27 | 5.62 | 3.28 | 1.22 | 1.23 | 0.16 | 1.09 | 0.32 | 15.27 | |||||||||||||
2014 | 0.00 | 0.09 | 0.27 | 0.19 | 3.97 | 1.83 | 1.74 | 2.69 | 7.08 | 0.64 | 1.56 | 0.14 | 20.20 | |||||||||||||
2015 | 1.06 | 1.02 | 1.22 | 1.04 | 5.89 | 3.47 | a | 4.09 | 1.41 | 3.05 | 5.80 | 0.93 | 1.00 | 29.98 | ||||||||||||
2016 | 0.31 | 0.42 | 0.01 | 0.86 | 4.37 | 2.40 | 1.34 | 10.41 | 2.92 | 0.89 | 1.72 | 0.16 | 25.81 | |||||||||||||
2017 | 1.23 | 0.76 | 0.43 | 1.09 | 0.65 | 3.88 | 3.02 | 5.56 | 3.28 | 1.37 | 0.05 | 0.00 | 21.32 | |||||||||||||
2018 | 0.00 | 0.83 | 0.09 | 0.09 | 0.14 | 1.02 | 4.91 | 1.71 | 4.20 | 4.59 | 0.06 | 0.77 | 18.41 | |||||||||||||
2019 | 0.09 | 0.16 | 0.99 | 1.14 | 2.45 | 2.66 | 2.61 | 0.86 | 5.35 | 3.85 | 0.92 | 0.36 | 21.44 | |||||||||||||
2020 | 0.30 | 0.36 | 2.36 | 0.03 | 0.49 | 0.89 | 2.34 | 0.83 | 0.04 | 0.65 | 0.17 | 0.00 | 8.46 | |||||||||||||
2021 | 0.64 | 0.33 | 0.07 | 0.17 | 4.27 | 2.86 | 3.94 | 2.72 | 1.23 | 1.16 | 0.00 | 0.00 | 17.39 | |||||||||||||
2022 | 0.13 | 0.05 | 0.13 | 0.00 | 4.36 | 0.13 | 3.07 | 4.82 | 1.36 | 1.64 | 1.24 | 0.11 | 17.04 | |||||||||||||
2023 | 0.40 | 0.17 | 0.00 | 0.05 | 6.38 | 1.90 | 0.83 | 2.16 | 1.63 | 0.68 | 0.10 | 0.89 | 15.19 | |||||||||||||
2024 | 0.61 | 0.53 | 0.24 | 1.28 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.38 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.49 | 0.45 | 0.74 | 0.72 | 2.39 | 2.49 | 2.27 | 2.85 | 2.56 | 1.73 | 0.69 | 0.62 | 18.09 | |||||||||||||
S.D. | 0.52 | 0.42 | 0.88 | 0.85 | 2.03 | 1.80 | 1.42 | 2.32 | 2.43 | 1.53 | 0.73 | 0.64 | 7.17 | |||||||||||||
SKEW | 0.71 | 1.47 | 1.60 | 1.75 | 0.87 | 0.77 | 0.77 | 1.41 | 2.55 | 0.88 | 1.61 | 1.31 | 1.63 | |||||||||||||
MAX | 1.72 | 2.05 | 3.23 | 3.27 | 7.30 | 8.01 | 6.57 | 10.41 | 14.02 | 5.80 | 3.42 | 2.89 | 48.11 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.07 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 7.88 | |||||||||||||
YRS | 44 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 |