YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1977 | 0.43 | 0.23 | 0.45 | 0.32 | 0.77 | 0.34 | 1.48 | 1.69 | 1.93 | 0.19 | 0.28 | 0.15 | 8.26 | |||||||||||||
1978 | 1.57 | 0.83 | 0.33 | 0.02 | 1.95 | 0.61 | 0.40 | 1.75 | 1.31 | 1.72 | 1.84 | 0.30 | 12.63 | |||||||||||||
1979 | 0.75 | 0.37 | 0.00 | 0.02 | 1.51 | 0.75 | 1.14 | 2.07 | 1.10 | 0.25 | 1.10 | 0.00 | 9.06 | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | 2.11 | 1.30 | 3.02 | 0.00 | 0.00 | b | 0.00 | 6.45 | e | ||||||
1981 | ----- | z | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | g | ||||
1982 | 0.00 | c | ----- | z | 0.00 | a | 0.00 | a | 0.00 | 0.00 | 0.50 | 3.64 | 1.47 | 0.00 | 0.00 | a | ----- | z | 5.61 | b | ||||||
1983 | 0.99 | c | 0.75 | b | ----- | z | 0.72 | ----- | z | ----- | z | ----- | z | 1.18 | 3.00 | 1.72 | 0.24 | 0.00 | 8.60 | d | ||||||
1984 | 0.39 | 0.00 | c | 0.66 | a | 0.10 | 0.50 | 0.70 | b | 0.52 | 2.56 | 2.49 | b | 2.46 | b | 0.85 | 0.55 | a | 11.78 | |||||||
1985 | 1.03 | 0.32 | 0.97 | 2.03 | 0.58 | a | 0.47 | 3.61 | 0.97 | 2.40 | a | 2.13 | 0.07 | 0.25 | 14.83 | |||||||||||
1986 | 0.11 | ----- | z | 0.00 | a | 0.35 | 0.54 | 1.22 | 2.11 | 1.06 | 0.21 | 2.79 | 2.27 | 0.71 | 11.37 | a | ||||||||||
1987 | 1.80 | 1.59 | 0.20 | 0.00 | 0.70 | 0.36 | 0.54 | 1.22 | 0.00 | 0.76 | 0.41 | 1.49 | 9.07 | |||||||||||||
1988 | 0.35 | 0.02 | 0.10 | 2.94 | 0.20 | 1.57 | 3.87 | b | 3.73 | 1.42 | 0.33 | 0.09 | 0.29 | 14.91 | ||||||||||||
1989 | 0.69 | 0.60 | 0.60 | 0.00 | 0.07 | 0.00 | 5.00 | 1.02 | 0.52 | 2.34 | 0.00 | 0.23 | 11.07 | |||||||||||||
1990 | 1.11 | 0.32 | 0.94 | a | 1.47 | 0.97 | 0.77 | 3.04 | 2.32 | 1.89 | 0.32 | 1.60 | 1.18 | 15.93 | ||||||||||||
1991 | 0.40 | 0.00 | 0.49 | 0.00 | 1.42 | 1.18 | 1.59 | 0.41 | 1.71 | 0.57 | 1.46 | 1.33 | 10.56 | |||||||||||||
1992 | 0.80 | 0.14 | 0.10 | 0.19 | 2.65 | 0.50 | 1.63 | 2.41 | 0.75 | 0.51 | 0.56 | y | 1.22 | 10.90 | a | |||||||||||
1993 | 0.95 | 0.81 | 1.01 | 0.13 | 0.79 | 0.74 | 0.50 | 3.19 | 0.15 | 0.87 | 0.26 | 0.13 | a | 9.53 | ||||||||||||
1994 | 0.35 | 0.05 | a | 0.73 | 0.33 | a | 1.74 | 0.12 | 2.11 | 3.07 | 1.67 | 1.88 | 0.91 | 0.57 | 13.53 | |||||||||||
1995 | 0.70 | a | 0.33 | 0.29 | 0.25 | 0.31 | 0.27 | 0.12 | 1.03 | 1.39 | 0.00 | 0.02 | 0.36 | 5.07 | ||||||||||||
1996 | 0.63 | 0.21 | 0.06 | 0.00 | 0.00 | 1.11 | 1.48 | 2.35 | 2.11 | 1.97 | 0.33 | 0.00 | 10.25 | |||||||||||||
1997 | 0.94 | a | 0.17 | 0.04 | 1.95 | a | 0.93 | 1.52 | 3.11 | 1.75 | a | 2.62 | 0.23 | a | 1.28 | 1.39 | 15.93 | |||||||||
1998 | 0.15 | 0.41 | 1.95 | d | 0.24 | 0.00 | 0.10 | 3.75 | 1.25 | 0.35 | 2.93 | 0.45 | 0.06 | 11.64 | ||||||||||||
1999 | 0.00 | c | 0.00 | 0.70 | 0.88 | 0.93 | 0.52 | 3.26 | 3.28 | 0.96 | 0.23 | 0.00 | 0.47 | 11.23 | ||||||||||||
2000 | 0.28 | 0.01 | 3.32 | 0.85 | 0.00 | 0.31 | 1.20 | 0.28 | 0.53 | 2.42 | 0.98 | 0.40 | 10.58 | |||||||||||||
2001 | 1.30 | a | 0.57 | 0.20 | 0.24 | 1.17 | 0.10 | 1.02 | 1.56 | 0.66 | 0.04 | 0.50 | 0.46 | 7.82 | ||||||||||||
2002 | 0.63 | 0.00 | 0.00 | 0.10 | 0.03 | 0.19 | 0.54 | 1.22 | 1.57 | b | 1.19 | 0.60 | 1.21 | 7.28 | ||||||||||||
2003 | 0.14 | 1.18 | 0.09 | 0.00 | 0.00 | 0.09 | 0.24 | 1.32 | 0.65 | 0.83 | 1.27 | 0.10 | 5.91 | |||||||||||||
2004 | 0.38 | 0.79 | 0.48 | 3.19 | 0.00 | 0.65 | 1.84 | 1.37 | 1.01 | 0.34 | 1.73 | 0.28 | 12.06 | |||||||||||||
2005 | 1.34 | 2.01 | 1.13 | 0.43 | 0.62 | 0.03 | 0.49 | 1.51 | 2.07 | 0.96 | 0.02 | 0.00 | 10.61 | |||||||||||||
2006 | 0.10 | 0.00 | 0.39 | 0.02 | 0.00 | 0.63 | 2.64 | 6.40 | 0.66 | 0.91 | 0.20 | 1.27 | 13.22 | |||||||||||||
2007 | 0.58 | 0.90 | 0.44 | 1.15 | 1.21 | 0.27 | 1.56 | 3.18 | 1.47 | 0.82 | 0.51 | 1.12 | 13.21 | |||||||||||||
2008 | 0.50 | 0.62 | 0.04 | 0.00 | 0.80 | 0.76 | 2.98 | 1.23 | 0.12 | 0.42 | 0.53 | 1.35 | 9.35 | |||||||||||||
2009 | 0.05 | 0.01 | 1.01 | 0.16 | 0.98 | 1.17 | 0.75 | 1.52 | 1.51 | 0.28 | 0.00 | 0.20 | 7.64 | |||||||||||||
2010 | 1.38 | 0.64 | 0.14 | c | 1.31 | 0.09 | 0.05 | 4.03 | 2.47 | 0.68 | 0.27 | 0.10 | 0.95 | 12.11 | ||||||||||||
2011 | 0.00 | 0.14 | 0.00 | 0.00 | 0.13 | 0.12 | 1.63 | 1.86 | 2.00 | 1.25 | 0.10 | 2.41 | 9.64 | |||||||||||||
2012 | 0.06 | 0.04 | 0.04 | 0.33 | 0.00 | 0.00 | 3.28 | 0.62 | 0.65 | 0.00 | 0.09 | 0.00 | b | 5.11 | ||||||||||||
2013 | 0.15 | 0.10 | 0.03 | 0.10 | 0.02 | 0.28 | 2.07 | 2.09 | 3.29 | 0.24 | 0.87 | 0.06 | 9.30 | |||||||||||||
2014 | 0.00 | 0.06 | 0.14 | 0.02 | 0.45 | 0.24 | 4.52 | 2.15 | 0.37 | 0.38 | 0.10 | 0.74 | 9.17 | |||||||||||||
2015 | 1.47 | 0.87 | 1.32 | 0.33 | 0.68 | 0.76 | 4.72 | 2.01 | 0.57 | 1.38 | 0.60 | 0.40 | 15.11 | |||||||||||||
2016 | 0.35 | 0.10 | 0.00 | 1.05 | 1.33 | 0.33 | 0.82 | 1.89 | 0.59 | 0.45 | 1.78 | 0.93 | 9.62 | |||||||||||||
2017 | 1.70 | 1.21 | 0.16 | 0.84 | 0.00 | 0.21 | 0.66 | 0.67 | 1.54 | 0.40 | 0.00 | 0.00 | 7.39 | |||||||||||||
2018 | 0.00 | 0.08 | 0.52 | 0.00 | 0.02 | 0.77 | a | 0.81 | 2.50 | 0.94 | 0.95 | 0.06 | 0.10 | 6.75 | ||||||||||||
2019 | 0.12 | 0.53 | 0.36 | 0.70 | 0.87 | 0.00 | a | 2.24 | 0.58 | 0.96 | 0.43 | 1.49 | 0.25 | 8.53 | ||||||||||||
2020 | 0.70 | 0.86 | 0.09 | 0.15 | 0.02 | 0.72 | 1.87 | 0.44 | 0.78 | 0.70 | 0.06 | 0.55 | 6.94 | |||||||||||||
2021 | 0.39 | 0.14 | 0.60 | 0.40 | 0.04 | 0.42 | 4.45 | 1.79 | 1.49 | 0.12 | 0.02 | 0.37 | 10.23 | |||||||||||||
2022 | 0.36 | 0.50 | 0.00 | 0.00 | 0.00 | 5.08 | 0.87 | 2.72 | 1.25 | 2.54 | 0.12 | 0.48 | 13.92 | |||||||||||||
2023 | 1.05 | 0.19 | 0.64 | 0.00 | 0.76 | 0.46 | 0.12 | 2.68 | 0.40 | 0.07 | 0.65 | 0.97 | 7.99 | |||||||||||||
2024 | 0.55 | 0.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.74 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.60 | 0.42 | 0.46 | 0.51 | 0.57 | 0.58 | 1.94 | 1.90 | 1.27 | 0.90 | 0.57 | 0.56 | 10.36 | |||||||||||||
S.D. | 0.50 | 0.46 | 0.61 | 0.75 | 0.63 | 0.79 | 1.40 | 1.11 | 0.83 | 0.86 | 0.63 | 0.54 | 2.89 | |||||||||||||
SKEW | 0.71 | 1.44 | 2.67 | 2.08 | 1.16 | 4.11 | 0.61 | 1.51 | 0.63 | 0.94 | 1.02 | 1.15 | 0.20 | |||||||||||||
MAX | 1.80 | 2.01 | 3.32 | 3.19 | 2.65 | 5.08 | 5.00 | 6.40 | 3.29 | 2.93 | 2.27 | 2.41 | 15.93 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 5.07 | |||||||||||||
YRS | 46 | 45 | 45 | 46 | 45 | 46 | 45 | 46 | 46 | 46 | 45 | 45 | 41 |