YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.81 | 2.23 | 0.05 | 0.15 | 1.10 | 0.08 | 6.42 | f | ||||||
1976 | 0.14 | 0.07 | 0.64 | 0.84 | 2.00 | 0.87 | 1.07 | 1.51 | 3.35 | 0.87 | 0.12 | a | 0.26 | 11.74 | ||||||||||||
1977 | 0.01 | 0.28 | 0.16 | 2.56 | 0.98 | 0.58 | 2.14 | 1.32 | 0.11 | 0.00 | 0.64 | 0.03 | 8.81 | |||||||||||||
1978 | 0.10 | 0.22 | 0.35 | 0.65 | 2.41 | 1.09 | 1.66 | 0.46 | 0.12 | 0.94 | 0.26 | 1.68 | 9.94 | |||||||||||||
1979 | 0.35 | c | 0.06 | 2.14 | 0.96 | 2.31 | 1.12 | 2.33 | 1.62 | 0.71 | 0.55 | 0.86 | 0.75 | b | 13.76 | |||||||||||
1980 | 0.17 | 0.09 | 0.72 | 4.18 | 5.05 | 0.43 | 0.78 | 0.61 | 0.59 | 0.00 | 0.32 | 0.02 | 12.96 | |||||||||||||
1981 | 0.02 | 0.14 | 2.07 | 0.06 | 0.89 | 1.26 | 2.03 | a | 3.89 | 1.28 | 0.21 | 0.00 | 0.72 | 12.57 | ||||||||||||
1982 | 0.27 | k | 0.20 | h | 0.33 | h | 0.27 | 2.85 | 2.90 | ----- | z | 2.49 | 1.39 | 0.35 | 0.22 | 0.04 | 10.51 | d | ||||||||
1983 | 0.51 | j | 0.17 | 2.06 | b | 0.46 | 2.11 | 2.31 | 2.13 | 1.55 | 0.28 | 0.05 | 0.61 | 0.73 | 12.46 | a | ||||||||||
1984 | 0.20 | 0.00 | 1.06 | 0.69 | 0.24 | 0.31 | 1.68 | 4.15 | 0.82 | 2.87 | 0.03 | 0.32 | b | 12.37 | ||||||||||||
1985 | 0.43 | 0.32 | 0.70 | a | 1.90 | 1.27 | 0.48 | 3.09 | 1.87 | 1.36 | 0.49 | 1.46 | 0.34 | 13.71 | ||||||||||||
1986 | 0.15 | 0.14 | 0.64 | 0.33 | 1.00 | 1.68 | 2.28 | 2.42 | 1.33 | 0.58 | 1.17 | 0.54 | 12.26 | |||||||||||||
1987 | 0.86 | 1.24 | ----- | z | 0.24 | 2.16 | 2.52 | 0.25 | 2.88 | 0.40 | 0.04 | 0.50 | 0.74 | 11.83 | a | |||||||||||
1988 | 0.61 | 0.28 | 0.41 | 0.45 | a | 1.09 | 3.46 | 0.92 | 0.22 | 0.77 | 0.00 | 0.17 | 0.30 | c | 8.68 | |||||||||||
1989 | 0.04 | a | 0.80 | 0.06 | 0.77 | 1.09 | 0.73 | 2.05 | 1.98 | 1.05 | 0.16 | 0.00 | 0.99 | 9.72 | ||||||||||||
1990 | 0.45 | 0.55 | 1.26 | 1.73 | 3.58 | 0.22 | 4.00 | 2.13 | 1.96 | 0.65 | 0.56 | a | 0.17 | 17.26 | ||||||||||||
1991 | 0.04 | 0.02 | 0.51 | 0.75 | b | 1.01 | 2.86 | 2.80 | 3.13 | 1.10 | 0.47 | 2.31 | 0.42 | 15.42 | ||||||||||||
1992 | 0.01 | 0.18 | 0.59 | 0.83 | 0.51 | 1.92 | 1.07 | 2.67 | 0.00 | 0.25 | 1.79 | 0.35 | 10.17 | |||||||||||||
1993 | 0.37 | 0.18 | 1.30 | 1.82 | 1.85 | 1.29 | 1.17 | 1.26 | 0.80 | 0.44 | 1.07 | 0.12 | 11.67 | |||||||||||||
1994 | 0.51 | 0.03 | 1.21 | 2.08 | 3.83 | 3.48 | 0.50 | 2.20 | 0.77 | 2.07 | 0.98 | 0.25 | 17.91 | |||||||||||||
1995 | 0.06 | 0.22 | 2.53 | d | 3.50 | 4.66 | 1.66 | 0.92 | 0.95 | 1.27 | 0.00 | 0.11 | 0.05 | 15.93 | ||||||||||||
1996 | 0.37 | 0.21 | 0.91 | 0.80 | 3.44 | 0.89 | 7.60 | 2.27 | 1.26 | 0.50 | 0.44 | 0.19 | 18.88 | |||||||||||||
1997 | 0.33 | 0.55 | 0.26 | 2.34 | 0.27 | 1.12 | 1.08 | 6.27 | 0.89 | 0.93 | 2.55 | 0.21 | 16.80 | |||||||||||||
1998 | 0.02 | 0.22 | 2.46 | 2.22 | 0.56 | 0.67 | 1.83 | 2.56 | 0.40 | 1.50 | 0.26 | 0.45 | a | 13.15 | ||||||||||||
1999 | 0.04 | 0.00 | 0.33 | 6.48 | 1.79 | 0.44 | 2.04 | 1.82 | 0.60 | 0.66 | 0.03 | 0.09 | 14.32 | |||||||||||||
2000 | 0.31 | 0.08 | 2.71 | 0.59 | 1.56 | 1.42 | 1.98 | 2.05 | 0.63 | 1.30 | 0.21 | 0.16 | 13.00 | |||||||||||||
2001 | ----- | z | 0.27 | 0.76 | 1.05 | 3.46 | 0.79 | 2.56 | 2.54 | 0.54 | 0.13 | 0.38 | 0.22 | 12.70 | a | |||||||||||
2002 | 0.46 | 0.12 | c | 0.08 | 0.09 | 0.36 | 0.21 | 0.75 | 0.35 | 0.73 | 0.65 | 0.04 | 0.38 | 4.22 | ||||||||||||
2003 | 0.02 | 0.74 | 1.62 | 1.28 | 1.11 | 1.24 | 0.39 | 1.31 | 0.57 | 0.02 | 0.13 | 0.04 | 8.47 | |||||||||||||
2004 | 0.83 | 0.63 | 0.44 | 4.59 | 0.16 | 1.57 | 1.99 | 2.94 | 0.25 | 0.27 | 0.65 | 0.29 | 14.61 | |||||||||||||
2005 | 0.62 | 0.32 | 1.04 | 1.95 | 0.57 | 0.97 | 0.37 | 2.68 | 1.37 | 1.91 | 0.01 | 0.28 | 12.09 | |||||||||||||
2006 | 0.58 | 0.07 | 0.69 | 0.24 | 1.08 | 0.20 | 4.92 | 2.42 | 1.50 | 2.39 | 0.30 | 0.95 | 15.34 | |||||||||||||
2007 | 0.30 | 0.15 | 0.46 | 2.56 | 5.09 | 1.65 | 2.44 | 3.76 | 0.26 | 0.74 | 0.17 | 0.47 | 18.05 | |||||||||||||
2008 | 0.30 | 0.16 | 0.79 | 0.58 | 0.61 | 1.07 | 1.38 | 3.48 | 0.48 | 0.47 | 0.22 | 0.74 | 10.28 | |||||||||||||
2009 | 0.08 | 0.03 | 0.29 | 1.46 | 0.64 | 0.86 | 1.63 | 1.23 | 1.17 | 1.64 | 0.21 | 0.22 | b | 9.46 | ||||||||||||
2010 | 0.19 | 0.86 | 1.30 | 1.39 | 0.80 | 1.25 | 1.93 | 2.73 | 0.13 | 0.06 | 0.13 | 0.09 | 10.86 | |||||||||||||
2011 | 0.22 | a | 0.71 | 0.25 | 0.78 | 0.53 | 0.42 | 1.01 | 0.94 | 0.92 | 1.53 | 0.13 | 0.08 | d | 7.52 | |||||||||||
2012 | 0.02 | 0.70 | 0.04 | 1.15 | 0.90 | 0.14 | 1.76 | 0.41 | 0.89 | 0.41 | 0.03 | 0.18 | 6.63 | |||||||||||||
2013 | 0.21 | 0.29 | 0.24 | 0.42 | 0.91 | 0.12 | 1.30 | 3.18 | 2.15 | 0.51 | 0.45 | 0.05 | 9.83 | |||||||||||||
2014 | 0.35 | 0.41 | 0.63 | 1.58 | 0.97 | 0.42 | 2.18 | 1.73 | 0.52 | 0.97 | 0.37 | 0.25 | 10.38 | |||||||||||||
2015 | 0.40 | 1.16 | 0.82 | 1.93 | 5.99 | 2.83 | 1.24 | 2.25 | 0.09 | 1.20 | 0.01 | h | 0.34 | 18.25 | a | |||||||||||
2016 | 0.38 | 0.21 | 0.74 | 3.15 | 1.57 | 0.65 | 2.67 | 1.54 | 0.07 | 0.01 | 0.44 | 0.21 | 11.64 | |||||||||||||
2017 | 0.83 | 0.12 | 1.46 | 4.26 | 2.84 | 1.08 | 2.23 | 1.11 | 2.05 | 0.26 | 0.18 | 0.07 | 16.49 | |||||||||||||
2018 | 0.19 | 0.62 | 0.43 | 0.46 | 0.59 | 0.36 | 2.15 | 1.03 | 0.90 | 2.11 | 0.34 | 0.04 | 9.22 | |||||||||||||
2019 | 0.56 | a | 0.19 | b | 1.01 | a | 0.39 | 2.11 | 2.05 | 2.98 | 0.67 | 0.33 | 1.41 | 0.25 | 0.32 | 12.27 | ||||||||||
2020 | 0.04 | 0.82 | 0.32 | 0.71 | 0.95 | 1.08 | 1.16 | 1.11 | 1.13 | 0.73 | 0.00 | a | 0.08 | 8.13 | ||||||||||||
2021 | 0.53 | 0.57 | 1.16 | 0.38 | 4.32 | 1.33 | 3.48 | 0.57 | 1.03 | 0.23 | 0.15 | 0.03 | 13.78 | |||||||||||||
2022 | 0.29 | a | 0.62 | 0.80 | a | 0.49 | 3.18 | 0.82 | 3.58 | 1.59 | 0.63 | 0.16 | 0.21 | 0.13 | 12.50 | |||||||||||
2023 | 0.22 | 0.36 | 0.16 | 2.71 | 2.84 | 3.11 | 1.10 | 1.36 | 1.43 | 0.59 | 0.11 | a | 0.77 | 14.76 | ||||||||||||
2024 | 0.43 | 1.38 | 2.90 | 0.07 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.71 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.30 | 0.37 | 0.93 | 1.48 | 1.88 | 1.25 | 1.99 | 1.99 | 0.87 | 0.70 | 0.47 | 0.33 | 12.27 | |||||||||||||
S.D. | 0.23 | 0.34 | 0.74 | 1.36 | 1.47 | 0.91 | 1.28 | 1.15 | 0.64 | 0.70 | 0.57 | 0.32 | 3.29 | |||||||||||||
SKEW | 0.68 | 1.25 | 1.13 | 1.61 | 1.04 | 0.97 | 1.98 | 1.09 | 1.34 | 1.27 | 2.07 | 1.89 | -0.02 | |||||||||||||
MAX | 0.86 | 1.38 | 2.90 | 6.48 | 5.99 | 3.48 | 7.60 | 6.27 | 3.35 | 2.87 | 2.55 | 1.68 | 18.88 | |||||||||||||
MIN | 0.01 | 0.00 | 0.04 | 0.06 | 0.16 | 0.12 | 0.25 | 0.22 | 0.00 | 0.00 | 0.00 | 0.02 | 4.22 | |||||||||||||
YRS | 46 | 48 | 47 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 48 | 49 | 43 |