YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | 0.58 | 0.40 | 0.03 | 0.44 | 0.03 | 0.07 | 0.66 | 0.75 | 0.40 | ----- | z | |||||||||
1979 | 0.28 | 0.28 | 0.50 | 0.23 | 0.28 | 0.68 | 0.61 | 0.42 | 0.07 | 0.30 | 0.45 | 0.60 | 0.68 | |||||||||||||
1980 | 0.25 | 0.41 | 0.41 | 0.60 | 0.38 | 0.00 | 0.22 | 1.25 | 0.36 | 0.69 | 0.80 | 0.28 | 1.25 | |||||||||||||
1981 | 0.25 | 0.22 | 0.42 | 0.18 | 0.45 | 0.65 | 1.30 | 0.64 | 0.54 | 1.65 | 0.24 | 0.07 | 1.65 | |||||||||||||
1982 | 0.47 | 0.10 | 0.16 | 0.05 | 0.48 | 0.70 | 0.23 | 1.30 | 1.45 | 0.90 | 0.34 | 0.48 | 1.45 | |||||||||||||
1983 | 0.39 | 0.40 | 0.45 | a | 0.30 | 0.30 | 0.35 | 0.59 | 1.05 | 0.45 | 0.96 | 1.10 | 0.40 | a | 1.10 | b | ||||||||||
1984 | 0.30 | 0.20 | 0.18 | c | 0.38 | 0.05 | 0.74 | 1.05 | 0.82 | 0.42 | 0.65 | 0.30 | 0.27 | 1.05 | c | |||||||||||
1985 | 0.43 | 0.10 | 0.36 | 0.50 | 0.33 | 0.31 | 0.58 | 0.05 | 0.84 | 1.79 | 0.60 | 0.23 | 1.79 | |||||||||||||
1986 | 0.12 | a | 0.31 | 0.28 | 0.51 | 0.38 | 0.24 | 0.85 | 0.88 | 0.95 | a | 0.79 | 0.62 | 0.42 | 0.95 | b | ||||||||||
1987 | 0.18 | 0.48 | 0.30 | 0.12 | 0.23 | 0.21 | 0.75 | 1.05 | 1.14 | 0.83 | 1.76 | 0.30 | 1.76 | |||||||||||||
1988 | 0.33 | a | 0.33 | 0.30 | 0.59 | 0.72 | 0.27 | 0.33 | 0.44 | 0.88 | 0.10 | 0.43 | 0.30 | b | 0.88 | c | ||||||||||
1989 | 0.30 | 0.20 | 0.35 | 0.00 | 0.07 | 0.07 | 0.36 | 0.50 | 0.17 | 0.57 | 0.00 | 0.00 | 0.57 | |||||||||||||
1990 | 0.20 | 0.21 | 0.30 | 0.23 | 0.70 | 0.25 | 0.55 | 0.40 | 1.45 | 0.72 | 0.44 | 0.11 | 1.45 | |||||||||||||
1991 | 0.56 | 0.18 | 0.50 | 0.12 | 0.06 | 0.33 | 0.63 | 0.34 | 0.30 | 0.60 | 1.82 | 0.50 | 1.82 | |||||||||||||
1992 | 0.22 | 0.51 | 0.57 | 0.50 | 1.11 | 0.22 | 0.66 | 0.21 | 0.15 | 1.28 | 0.27 | 0.26 | 1.28 | |||||||||||||
1993 | 1.36 | 0.32 | a | 0.32 | 0.38 | 0.40 | 0.00 | 0.08 | 0.43 | 0.18 | 1.60 | 0.80 | 0.42 | 1.60 | a | |||||||||||
1994 | 0.33 | 0.56 | e | 0.18 | 0.58 | 0.11 | 0.13 | m | 0.00 | 0.15 | 0.83 | 0.15 | 0.21 | 0.12 | 0.83 | r | ||||||||||
1995 | 0.41 | 0.40 | 0.70 | a | 0.27 | 0.54 | 1.13 | 0.26 | 0.50 | 0.76 | 0.00 | 0.05 | 0.17 | 1.13 | a | |||||||||||
1996 | 0.28 | 0.76 | a | 0.40 | 0.41 | a | 0.26 | 0.32 | 0.09 | 0.16 | 0.52 | 0.77 | 0.39 | c | 1.00 | 1.00 | e | |||||||||
1997 | 0.65 | e | 0.40 | a | 0.00 | a | 0.69 | 0.63 | 0.27 | 0.28 | 0.40 | 0.44 | 0.92 | 0.72 | f | 0.27 | 0.92 | m | ||||||||
1998 | 0.17 | 0.33 | 0.40 | 0.18 | 0.20 | 0.18 | 0.99 | 0.90 | 0.24 | 0.73 | 0.23 | 0.28 | h | 0.99 | h | |||||||||||
1999 | 0.28 | 0.20 | 0.10 | ----- | z | 0.37 | 0.49 | 0.64 | 0.76 | g | 0.47 | 0.00 | 0.00 | ----- | z | ----- | z | |||||||||
2000 | ----- | z | ----- | z | 0.22 | ----- | z | ----- | z | 0.28 | 0.44 | 0.90 | u | 0.37 | b | 0.62 | a | 0.22 | u | ----- | z | ----- | z | |||
2001 | 0.54 | d | 0.29 | d | 0.64 | 0.48 | 0.25 | 0.14 | c | 0.60 | a | 1.52 | a | 0.16 | d | 0.36 | b | 0.66 | 0.30 | a | 1.52 | t | ||||
2002 | 0.11 | a | 0.10 | 0.22 | 0.31 | 0.57 | a | 0.01 | 0.32 | 0.50 | 0.94 | 0.42 | 0.60 | 0.18 | 0.94 | b | ||||||||||
2003 | 0.24 | 0.60 | 0.44 | 0.17 | 0.70 | 0.41 | 0.24 | 0.35 | a | 0.55 | 0.91 | 0.24 | 0.33 | 0.91 | a | |||||||||||
2004 | 0.29 | a | 0.40 | 0.10 | a | 0.80 | 0.24 | 0.96 | 0.27 | a | 0.31 | 1.05 | 0.66 | 0.61 | 0.41 | 1.05 | c | |||||||||
2005 | 0.46 | 0.50 | 0.60 | 0.35 | b | 0.14 | a | 0.31 | k | 0.21 | c | 0.78 | 0.75 | d | 0.16 | b | 0.00 | b | 0.00 | 0.78 | y | |||||
2006 | 0.50 | a | 0.00 | 0.45 | a | 0.46 | 0.00 | 0.54 | a | 0.80 | f | 0.20 | c | 0.35 | 1.94 | a | 0.35 | 0.00 | c | 1.94 | p | |||||
2007 | 0.00 | a | 0.00 | d | ----- | z | 1.09 | b | 0.80 | d | 0.29 | 0.55 | a | 0.77 | 1.00 | 0.60 | 0.27 | a | 0.75 | g | ----- | z | ||||
2008 | ----- | z | 0.00 | ----- | z | ----- | z | 0.26 | ----- | z | 0.25 | g | 0.45 | a | 0.35 | 0.45 | b | 0.52 | 1.00 | c | ----- | z | ||||
2009 | 0.35 | 0.35 | 0.00 | 0.00 | 0.78 | a | 0.50 | 0.26 | c | 0.10 | b | 1.00 | 0.31 | 0.70 | 0.65 | 1.00 | f | |||||||||
2010 | 0.27 | 0.70 | f | 0.70 | 0.76 | 0.06 | d | 0.32 | 0.41 | 0.47 | 0.69 | 1.39 | 0.35 | 0.91 | b | 1.39 | l | |||||||||
2011 | 0.04 | 0.17 | 0.05 | h | 0.64 | 0.63 | 0.43 | 0.22 | 0.23 | 0.70 | 0.26 | 0.43 | 0.15 | 0.70 | h | |||||||||||
2012 | 0.33 | 0.21 | 0.11 | 0.16 | 0.00 | 0.08 | b | 0.77 | 0.42 | 0.42 | 0.32 | 0.11 | 0.47 | 0.77 | b | |||||||||||
2013 | 0.52 | 0.25 | 0.11 | 0.23 | 0.45 | 0.06 | 1.08 | 1.56 | 0.90 | 0.72 | 0.10 | d | 0.32 | 1.56 | d | |||||||||||
2014 | 0.34 | 0.24 | 0.10 | 0.77 | 0.37 | 0.01 | 0.73 | 0.70 | 1.02 | 0.26 | 0.31 | 0.60 | 1.02 | |||||||||||||
2015 | 0.74 | 0.30 | 0.33 | 0.51 | 0.36 | a | 0.93 | 0.57 | 0.62 | 0.60 | d | 1.57 | 0.76 | 0.00 | x | ----- | z | |||||||||
2016 | ----- | z | ----- | z | 0.33 | 0.61 | 0.93 | 0.52 | 0.26 | 0.70 | k | 0.25 | 0.25 | 0.35 | 0.39 | ----- | z | |||||||||
2017 | 0.39 | 0.16 | 0.30 | 0.07 | 0.18 | 0.20 | 0.53 | 0.46 | 0.32 | 0.01 | 0.08 | 0.39 | a | 0.53 | a | |||||||||||
2018 | 0.34 | 0.27 | 0.25 | 0.28 | a | 0.11 | 0.02 | c | 0.50 | 0.62 | 0.68 | 0.82 | 0.02 | 0.48 | 0.82 | d | ||||||||||
2019 | 0.32 | 0.74 | 1.51 | 0.55 | 0.54 | 0.10 | 0.26 | 0.05 | 0.19 | 0.01 | 0.66 | 0.38 | 1.51 | |||||||||||||
2020 | 0.41 | 0.23 | 0.62 | 0.16 | 0.26 | 0.99 | 0.16 | 0.17 | 0.20 | 0.12 | 0.21 | 0.19 | 0.99 | |||||||||||||
2021 | 0.22 | 0.42 | 1.43 | 0.13 | 0.23 | 0.74 | 0.77 | 0.75 | 0.37 | 0.72 | 0.08 | 0.39 | 1.43 | |||||||||||||
2022 | 0.02 | 0.24 | 0.33 | 0.10 | 0.00 | 0.38 | 0.62 | 0.61 | 0.77 | 0.72 | 0.76 | 0.98 | 0.98 | |||||||||||||
2023 | 0.99 | 0.41 | 0.45 | 0.16 | 0.77 | 0.12 | 0.22 | 0.82 | 0.55 | 0.30 | 0.31 | 0.39 | 0.99 | |||||||||||||
2024 | 0.27 | 0.53 | 0.26 | b | 0.01 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.36 | 0.31 | 0.39 | 0.38 | 0.38 | 0.36 | 0.49 | 0.57 | 0.58 | 0.66 | 0.46 | 0.38 | 1.17 | |||||||||||||
S.D. | 0.24 | 0.18 | 0.30 | 0.25 | 0.27 | 0.30 | 0.29 | 0.38 | 0.35 | 0.49 | 0.39 | 0.25 | 0.37 | |||||||||||||
SKEW | 1.99 | 0.50 | 2.13 | 0.57 | 0.64 | 0.87 | 0.69 | 0.86 | 0.59 | 0.85 | 1.73 | 0.97 | 0.21 | |||||||||||||
MAX | 1.36 | 0.76 | 1.51 | 1.09 | 1.11 | 1.13 | 1.30 | 1.56 | 1.45 | 1.94 | 1.82 | 1.00 | 1.82 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.07 | 0.00 | 0.00 | 0.00 | 0.53 | |||||||||||||
YRS | 43 | 43 | 43 | 43 | 45 | 43 | 44 | 43 | 46 | 46 | 44 | 41 | 29 |