YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.07 | ----- | z | |
1973 | 0.16 | e | 0.55 | 0.68 | 0.00 | 0.12 | 0.11 | 0.00 | 0.09 | 0.00 | 0.22 | 0.06 | 0.00 | 0.68 | e | |||||||||||
1974 | 0.27 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.12 | 0.14 | 0.65 | 0.40 | 0.40 | 0.65 | b | |||||||||||
1975 | 0.06 | 0.13 | 0.38 | a | 0.26 | 0.07 | 0.01 | 0.05 | 1.44 | 0.00 | 0.18 | 0.44 | 0.05 | 1.44 | a | |||||||||||
1976 | 0.00 | 0.73 | 0.12 | 0.14 | 0.13 | 0.00 | 0.14 | 0.00 | 1.53 | 1.15 | 0.22 | 0.15 | 1.53 | |||||||||||||
1977 | 0.52 | 0.00 | 0.38 | 0.00 | 0.32 | 0.02 | 0.00 | 0.92 | 0.13 | 0.09 | 0.00 | a | 0.50 | 0.92 | a | |||||||||||
1978 | 1.50 | 1.45 | 0.81 | 0.68 | 0.30 | 0.00 | 0.00 | 0.31 | 1.53 | 0.39 | 1.00 | 0.50 | 1.53 | |||||||||||||
1979 | 0.50 | 0.20 | 0.22 | 0.11 | 0.21 | 0.00 | 0.66 | 1.11 | 0.00 | 0.00 | 0.00 | 0.08 | 1.11 | |||||||||||||
1980 | 1.34 | 1.44 | 0.58 | 0.05 | 0.07 | 0.00 | 0.58 | 0.68 | 0.51 | 0.22 | 0.03 | 0.00 | 1.44 | |||||||||||||
1981 | 0.27 | 0.44 | 0.71 | 0.05 | 0.23 | 0.03 | 0.00 | 3.05 | 0.69 | 0.07 | 0.13 | 0.00 | 3.05 | |||||||||||||
1982 | 0.54 | a | 0.90 | ----- | z | 0.04 | 0.19 | 0.10 | 0.16 | 0.66 | 0.35 | 0.10 | 0.43 | 0.90 | a | ----- | z | |||||||||
1983 | 0.32 | a | 0.14 | 1.67 | 0.40 | 0.11 | 0.00 | 0.29 | 1.10 | 0.51 | 0.43 | 0.50 | a | 0.29 | 1.67 | b | ||||||||||
1984 | 0.01 | 0.10 | 0.10 | 0.01 | 0.00 | 0.00 | 0.65 | 0.65 | 0.07 | 0.06 | b | 0.55 | 0.86 | a | 0.86 | c | ||||||||||
1985 | 0.44 | 0.00 | b | 0.09 | 0.06 | 0.00 | 0.00 | 2.01 | 0.00 | 0.90 | b | 0.02 | 0.30 | 0.08 | 2.01 | d | ||||||||||
1986 | 0.40 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 1.10 | 0.10 | 0.33 | 0.51 | 1.10 | |||||||||||||
1987 | 0.38 | 0.73 | 0.35 | 0.03 | 0.05 | 0.04 | 0.65 | b | 0.14 | 0.00 | 0.50 | 0.95 | 0.23 | 0.95 | b | |||||||||||
1988 | 1.42 | a | 0.19 | 0.00 | 0.34 | 0.00 | 0.00 | 0.04 | 0.10 | 0.00 | 0.00 | 0.03 | 0.16 | 1.42 | a | |||||||||||
1989 | 0.59 | 0.17 | 0.06 | 0.00 | 0.05 | 0.00 | 0.53 | a | 0.43 | 0.41 | 0.00 | b | 0.00 | 0.00 | 0.59 | c | ||||||||||
1990 | 0.63 | 0.73 | c | 0.11 | 0.12 | 0.14 | 0.81 | 1.09 | 1.64 | 0.38 | a | 0.10 | 0.07 | 0.11 | 1.64 | d | ||||||||||
1991 | 0.45 | a | 0.63 | a | 0.55 | 0.00 | 0.32 | a | 0.50 | a | 0.15 | 0.18 | 0.09 | a | 0.34 | 0.56 | 0.78 | 0.78 | e | |||||||
1992 | 1.03 | 1.17 | 0.81 | 0.00 | a | 0.17 | a | 0.00 | 0.04 | 1.33 | 0.03 | 0.93 | a | 0.00 | 0.87 | b | 1.33 | e | ||||||||
1993 | 0.52 | 1.35 | p | 0.13 | u | 0.09 | 0.06 | 0.17 | 0.00 | 0.08 | 0.00 | 0.01 | 0.41 | 0.20 | y | ----- | z | |||||||||
1994 | 0.03 | 0.63 | 0.00 | b | 0.28 | a | 0.00 | 0.00 | 0.07 | y | 0.41 | 0.18 | 0.00 | 0.36 | t | 0.43 | ----- | z | ||||||||
1995 | 1.00 | l | 0.45 | v | 0.53 | u | 0.31 | 0.09 | ----- | z | 0.03 | 0.15 | 0.05 | 0.00 | 0.01 | a | 0.02 | ----- | z | |||||||
1996 | 0.10 | 0.19 | 0.06 | 0.01 | 0.40 | a | 0.00 | 0.71 | 0.00 | 0.00 | 0.34 | 0.82 | ----- | z | ----- | z | ||||||||||
1997 | 0.40 | 0.14 | 0.00 | 0.09 | a | 0.00 | 0.02 | 0.05 | 0.02 | 1.42 | 0.00 | 0.23 | 0.18 | 1.42 | a | |||||||||||
1998 | 0.08 | 0.67 | a | 0.23 | 0.10 | 0.02 | 0.06 | 1.65 | 0.15 | 0.94 | 0.80 | b | 0.03 | 0.06 | 1.65 | c | ||||||||||
1999 | 0.28 | 0.07 | a | 0.05 | b | 0.39 | 0.00 | 0.31 | ----- | z | 0.09 | 0.13 | b | 0.00 | 0.00 | 0.00 | ----- | z | ||||||||
2000 | 0.02 | 0.56 | 0.83 | 0.07 | 0.00 | 0.03 | b | 0.00 | 0.51 | 0.00 | 0.35 | 0.05 | 0.00 | 0.83 | b | |||||||||||
2001 | 0.63 | 1.03 | a | 0.82 | 0.11 | 0.03 | 0.00 | 0.00 | 0.11 | 0.00 | 0.00 | 0.14 | 0.08 | 1.03 | a | |||||||||||
2002 | 0.01 | 0.00 | 0.24 | 0.00 | 0.00 | 0.00 | 0.50 | a | 0.00 | 0.07 | 0.23 | 0.22 | 0.07 | 0.50 | a | |||||||||||
2003 | 0.04 | 1.26 | 0.47 | 0.31 | 0.00 | 0.00 | 0.02 | 0.72 | 0.00 | 0.00 | 0.29 | a | 0.23 | 1.26 | a | |||||||||||
2004 | 0.23 | 1.10 | 0.21 | 0.66 | 0.00 | 0.09 | 0.00 | 0.02 | b | 0.01 | 1.30 | a | 1.20 | 2.20 | 2.20 | c | ||||||||||
2005 | 0.43 | 1.07 | 0.26 | b | 0.34 | 0.06 | b | 0.16 | 0.46 | 0.53 | 0.03 | a | 0.84 | 0.00 | 0.00 | 1.07 | e | |||||||||
2006 | 0.08 | b | 0.00 | 0.40 | 0.05 | a | 0.00 | 0.06 | 0.56 | 0.00 | 0.13 | 1.30 | 0.00 | 0.03 | 1.30 | c | ||||||||||
2007 | 0.21 | d | 0.24 | 0.00 | 0.08 | 0.00 | 0.00 | 0.63 | 0.42 | 0.56 | 0.00 | 0.00 | 1.55 | 1.55 | d | |||||||||||
2008 | 0.05 | a | 0.13 | 0.00 | 0.00 | 0.35 | 0.00 | 0.25 | 0.02 | 0.05 | 0.52 | 0.25 | 0.95 | 0.95 | a | |||||||||||
2009 | 0.26 | 0.69 | 0.01 | 0.03 | 0.00 | 0.00 | 0.19 | 0.03 | 0.00 | 0.19 | 0.01 | 0.55 | 0.69 | |||||||||||||
2010 | 1.05 | 0.75 | 0.45 | 0.17 | 0.02 | 0.00 | 0.01 | 0.63 | 0.00 | 1.42 | 0.06 | 1.46 | 1.46 | |||||||||||||
2011 | 0.01 | 1.25 | 0.32 | 0.03 | 0.27 | 0.00 | 0.15 | 0.00 | 0.18 | 0.51 | a | 0.30 | 0.14 | a | 1.25 | b | ||||||||||
2012 | 0.03 | 0.19 | a | 0.71 | 0.68 | 0.00 | 0.00 | 0.10 | a | 1.25 | a | 0.46 | 0.64 | a | 0.00 | 0.92 | b | 1.25 | f | |||||||
2013 | 0.34 | 0.05 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | c | 0.11 | 0.00 | a | 1.78 | 0.17 | a | 1.78 | e | |||||||||
2014 | 0.05 | b | 0.05 | a | 0.61 | a | 0.21 | 0.00 | f | 0.00 | a | 0.47 | 0.44 | 0.12 | 0.00 | a | 0.03 | 0.52 | 0.61 | l | ||||||
2015 | 0.31 | 0.70 | 0.38 | 0.19 | 0.25 | 0.00 | 0.95 | 0.22 | 0.07 | 0.43 | 0.22 | 0.25 | 0.95 | |||||||||||||
2016 | 1.03 | 0.54 | 0.02 | 0.70 | 0.61 | 0.20 | 0.26 | 0.47 | 0.05 | 0.53 | 0.45 | e | 1.46 | b | 1.46 | g | ||||||||||
2017 | 0.91 | a | 0.45 | 0.06 | 0.12 | f | 0.02 | e | 0.00 | 0.55 | 0.34 | 0.68 | 0.00 | 0.00 | b | 0.01 | a | 0.91 | o | |||||||
2018 | 0.90 | d | 0.00 | 0.85 | 0.00 | d | 0.07 | d | 0.00 | 1.70 | d | 0.10 | a | 0.31 | p | 0.59 | b | 0.12 | b | 0.14 | c | ----- | z | |||
2019 | 0.58 | q | 1.42 | d | 0.25 | c | 0.17 | b | 1.20 | 0.00 | a | 0.00 | c | 0.00 | 0.00 | t | ----- | z | 1.30 | 0.71 | f | ----- | z | |||
2020 | 0.00 | g | 0.67 | f | 1.26 | i | 0.05 | g | 0.00 | c | 0.00 | a | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | m | ----- | z | |||
2021 | 0.23 | c | 0.05 | d | 0.31 | d | 0.05 | i | 0.00 | f | 0.15 | g | 0.72 | 0.00 | ----- | z | ----- | z | ----- | z | 0.42 | a | ----- | z | ||
2022 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.00 | 0.40 | 0.11 | 2.41 | 0.00 | 0.73 | ----- | z | ----- | z | ||||||
2023 | 0.49 | 0.40 | 0.33 | 0.00 | 0.00 | 0.20 | 0.00 | 0.31 | 1.28 | 0.08 | 0.13 | 0.02 | 1.28 | |||||||||||||
2024 | 0.57 | 0.31 | 0.04 | a | 0.21 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.42 | 0.50 | 0.34 | 0.16 | 0.12 | 0.06 | 0.36 | 0.42 | 0.36 | 0.33 | 0.31 | 0.39 | 1.30 | |||||||||||||
S.D. | 0.39 | 0.45 | 0.34 | 0.20 | 0.21 | 0.14 | 0.47 | 0.57 | 0.53 | 0.39 | 0.40 | 0.49 | 0.52 | |||||||||||||
SKEW | 1.16 | 0.69 | 1.53 | 1.55 | 3.29 | 3.65 | 1.82 | 2.43 | 1.92 | 1.30 | 1.81 | 1.75 | 1.20 | |||||||||||||
MAX | 1.50 | 1.45 | 1.67 | 0.70 | 1.20 | 0.81 | 2.01 | 3.05 | 2.41 | 1.42 | 1.78 | 2.20 | 3.05 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | |||||||||||||
YRS | 48 | 48 | 47 | 47 | 49 | 49 | 49 | 51 | 48 | 48 | 48 | 47 | 31 |