YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.54 | 0.94 | ----- | z | 0.99 | a | ----- | z | ||
1987 | 0.07 | 0.16 | 0.34 | 0.35 | 1.85 | 0.49 | 0.07 | ----- | z | 0.51 | 0.67 | 0.20 | 0.39 | a | ----- | z | ||||||||||
1988 | 0.04 | 0.02 | 1.31 | 1.45 | 1.70 | 0.65 | 1.51 | 2.23 | 1.22 | 0.02 | 0.00 | p | 0.10 | 2.23 | p | |||||||||||
1989 | 0.05 | 0.80 | 0.05 | 0.04 | 0.06 | 1.92 | 0.31 | 1.35 | 0.44 | 0.00 | 0.00 | 0.20 | 1.92 | |||||||||||||
1990 | 1.10 | 0.12 | 0.16 | 0.23 | e | 0.18 | 0.00 | 2.28 | 1.51 | 1.40 | 1.42 | 0.53 | 0.23 | 2.28 | e | |||||||||||
1991 | 0.50 | 0.17 | 0.00 | 0.00 | 0.92 | 0.32 | 1.90 | 2.01 | 1.30 | 0.00 | 0.08 | 2.02 | 2.02 | |||||||||||||
1992 | 0.33 | 0.40 | 0.11 | 0.12 | 1.79 | 2.18 | 1.34 | 0.24 | a | 0.20 | 0.56 | 0.35 | 0.08 | 2.18 | a | |||||||||||
1993 | 0.31 | 0.24 | 0.02 | 0.69 | 0.16 | 0.49 | 1.28 | 0.53 | 0.34 | 0.21 | 0.04 | 0.06 | 1.28 | |||||||||||||
1994 | 0.09 | a | 0.01 | 0.01 | 0.27 | 0.47 | 0.00 | 0.35 | 0.09 | 0.46 | 0.22 | 0.27 | 0.10 | 0.47 | a | |||||||||||
1995 | 0.13 | 0.26 | 0.01 | 0.07 | 0.52 | ----- | z | 0.17 | 0.42 | 1.49 | 0.10 | 0.00 | 0.20 | ----- | z | |||||||||||
1996 | 0.01 | 0.00 | 0.00 | 0.40 | 0.02 | 1.20 | 0.72 | 1.59 | 0.53 | 0.05 | 0.00 | a | 0.42 | 1.59 | a | |||||||||||
1997 | 0.15 | 1.06 | 0.05 | 0.55 | 0.54 | 0.85 | 2.46 | 1.14 | 1.71 | 1.06 | 0.17 | 1.60 | 2.46 | |||||||||||||
1998 | 0.05 | 0.07 | 0.49 | ----- | z | 0.05 | 0.21 | 0.90 | 0.39 | 0.06 | 0.69 | 0.15 | 0.21 | ----- | z | |||||||||||
1999 | 0.56 | 0.00 | 0.43 | 0.31 | 0.79 | 0.74 | 0.32 | 0.58 | 0.22 | 0.08 | 0.00 | 0.02 | 0.79 | |||||||||||||
2000 | 0.07 | 0.00 | ----- | z | 0.29 | 0.60 | 2.60 | 0.33 | 0.73 | 0.00 | 0.40 | 0.50 | ----- | z | ----- | z | ||||||||||
2001 | 0.25 | 0.65 | 0.71 | 0.43 | 0.66 | 0.51 | 0.35 | ----- | z | 0.82 | 0.10 | 0.20 | 0.25 | ----- | z | |||||||||||
2002 | 0.31 | 0.20 | 0.79 | 0.09 | 0.38 | 1.13 | 1.05 | 2.90 | 0.24 | 0.21 | 0.12 | 0.46 | a | 2.90 | a | |||||||||||
2003 | 0.00 | 0.17 | 0.10 | 0.00 | 0.39 | ----- | z | 1.03 | 0.09 | 0.19 | 1.22 | 0.00 | 0.00 | ----- | z | |||||||||||
2004 | 0.00 | 0.60 | 0.82 | 1.73 | 0.24 | 0.36 | 0.48 | 0.72 | 2.75 | 0.22 | ----- | z | 0.29 | ----- | z | |||||||||||
2005 | 0.30 | 0.78 | 0.14 | ----- | z | ----- | z | 0.62 | 0.22 | 1.31 | 0.41 | 0.92 | a | 0.00 | 0.00 | ----- | z | |||||||||
2006 | ----- | z | 0.14 | 0.81 | ----- | z | ----- | z | 0.49 | 0.47 | ----- | z | 1.42 | 1.17 | 0.51 | 1.20 | ----- | z | ||||||||
2007 | 0.77 | 0.12 | 1.41 | 0.93 | 0.98 | 0.46 | 2.21 | 0.25 | 1.58 | 0.00 | 0.38 | 0.43 | 2.21 | |||||||||||||
2008 | 0.01 | 0.00 | 0.05 | 0.00 | 0.34 | 0.36 | 0.97 | 0.70 | 0.84 | b | 2.67 | 0.08 | 0.00 | 2.67 | b | |||||||||||
2009 | 0.03 | ----- | z | 0.10 | 0.05 | 0.87 | 0.93 | a | 1.51 | 1.00 | 0.61 | 0.70 | 0.09 | 0.90 | ----- | z | ||||||||||
2010 | 1.24 | 0.61 | 0.29 | 0.01 | 0.65 | 0.94 | 1.81 | 0.82 | 0.64 | 0.03 | 0.00 | 0.00 | 1.81 | |||||||||||||
2011 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | ----- | z | 0.41 | 1.32 | 0.24 | 0.03 | 0.46 | ----- | z | |||||||||||
2012 | 0.11 | 0.05 | 0.00 | 0.10 | 0.77 | 0.00 | 0.19 | 0.54 | 1.88 | 0.00 | 0.33 | 0.30 | 1.88 | |||||||||||||
2013 | 0.77 | 0.42 | 0.01 | 0.01 | 0.04 | 0.16 | 1.48 | 0.71 | 0.87 | 0.56 | 0.51 | 0.59 | 1.48 | |||||||||||||
2014 | 0.00 | 0.34 | 0.14 | ----- | z | 0.40 | 0.82 | 1.04 | 1.02 | 2.26 | 0.25 | 0.46 | 0.19 | ----- | z | |||||||||||
2015 | 0.41 | 0.19 | 0.37 | 4.32 | a | 0.90 | 0.50 | 0.93 | 1.17 | 0.76 | 1.89 | 0.63 | 0.69 | 4.32 | a | |||||||||||
2016 | 0.38 | 0.25 | 0.00 | 0.69 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.56 | 0.52 | ----- | z | ||||||
2017 | 0.50 | 0.34 | 0.02 | 1.04 | 1.10 | 0.44 | 1.10 | 1.31 | 0.90 | 0.33 | 0.59 | 0.05 | 1.31 | |||||||||||||
2018 | 0.10 | 0.11 | 0.17 | 0.01 | 0.30 | 2.97 | 0.97 | 1.38 | 1.79 | n | ----- | z | 0.00 | 0.00 | ----- | z | ||||||||||
2019 | 0.07 | 0.00 | 0.32 | 0.12 | 0.05 | 1.32 | 0.79 | 0.26 | 0.96 | 0.19 | 0.43 | 0.26 | 1.32 | |||||||||||||
2020 | 0.07 | 0.24 | 1.39 | 0.25 | 0.00 | 0.37 | 0.25 | 0.13 | 0.09 | 0.16 | 0.06 | 0.00 | 1.39 | |||||||||||||
2021 | 0.12 | 0.04 | 0.08 | 1.90 | 0.52 | ----- | z | 0.63 | 1.07 | 0.26 | 1.04 | 0.20 | 0.48 | ----- | z | |||||||||||
2022 | 0.02 | 0.04 | 0.02 | 0.00 | 0.00 | 1.63 | 0.43 | 2.03 | 0.95 | 0.00 | 0.00 | ----- | z | ----- | z | |||||||||||
2023 | 0.35 | 0.15 | 0.25 | 0.23 | 0.79 | 0.26 | 0.30 | 0.51 | 0.86 | 2.53 | 0.11 | 1.78 | 2.53 | |||||||||||||
2024 | 0.01 | 0.03 | 0.27 | a | 0.02 | 0.01 | 0.16 | 0.10 | ----- | z | 0.95 | 0.04 | 1.15 | ----- | z | ----- | z | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.25 | 0.24 | 0.30 | 0.49 | 0.54 | 0.77 | 0.90 | 0.94 | 0.89 | 0.56 | 0.24 | 0.43 | 1.92 | |||||||||||||
S.D. | 0.31 | 0.26 | 0.40 | 0.84 | 0.50 | 0.73 | 0.66 | 0.68 | 0.65 | 0.68 | 0.26 | 0.51 | 0.86 | |||||||||||||
SKEW | 1.67 | 1.42 | 1.62 | 3.13 | 1.10 | 1.50 | 0.76 | 0.96 | 0.83 | 1.63 | 1.32 | 1.72 | 0.91 | |||||||||||||
MAX | 1.24 | 1.06 | 1.41 | 4.32 | 1.85 | 2.97 | 2.46 | 2.90 | 2.75 | 2.67 | 1.15 | 2.02 | 4.32 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.47 | |||||||||||||
YRS | 37 | 37 | 37 | 34 | 35 | 34 | 36 | 33 | 37 | 37 | 36 | 36 | 19 |