YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | 0.65 | 0.17 | 0.46 | 0.00 | 0.10 | ----- | z | ----- | z | ||||||
1968 | 1.00 | 0.40 | 0.04 | 0.05 | 0.90 | 0.28 | 0.00 | 0.18 | 0.00 | 0.00 | 0.85 | 0.49 | 1.00 | |||||||||||||
1969 | 0.67 | 0.18 | 0.00 | 0.21 | 0.25 | 0.55 | 0.02 | 0.00 | 0.00 | 0.43 | 0.47 | 0.96 | 0.96 | |||||||||||||
1970 | 0.76 | 0.57 | 0.04 | 0.00 | 0.19 | 0.76 | ----- | z | 0.00 | 0.00 | 0.00 | 0.41 | 0.76 | ----- | z | |||||||||||
1971 | 0.82 | c | 0.15 | 0.63 | 0.09 | 1.10 | 0.09 | 0.21 | 0.15 | 0.00 | 0.10 | 0.14 | 0.87 | 1.10 | c | |||||||||||
1972 | 0.17 | 0.14 | 0.00 | 0.42 | 0.54 | 0.23 | 0.00 | 0.18 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.41 | 0.61 | 0.39 | ----- | z | |||
1974 | ----- | z | ----- | z | 0.48 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | 0.20 | 0.00 | 0.21 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ||||||||
1978 | ----- | z | ----- | z | 0.27 | g | 0.26 | 0.00 | 0.03 | 0.05 | 0.00 | 0.60 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1979 | ----- | z | 0.50 | 0.10 | b | 0.23 | ----- | z | ----- | z | ----- | z | 0.72 | n | 0.01 | 0.18 | 0.23 | 0.60 | ----- | z | ||||||
1980 | 1.20 | 1.00 | 0.15 | a | 0.12 | 0.24 | 0.58 | 0.15 | 0.00 | 0.24 | 0.15 | 0.15 | 0.52 | 1.20 | a | |||||||||||
1981 | 0.33 | 0.13 | 0.19 | 0.31 | 0.69 | 0.03 | 0.00 | 0.08 | 0.09 | 0.26 | 1.32 | 0.93 | 1.32 | |||||||||||||
1982 | 0.52 | c | 0.09 | a | 0.13 | 0.85 | 0.24 | 0.57 | 0.07 | 0.20 | 0.35 | 0.38 | 0.64 | 0.29 | 0.85 | d | ||||||||||
1983 | 0.59 | 0.64 | 0.65 | 0.36 | 0.07 | 0.19 | 0.14 | 0.26 | 0.12 | 0.35 | 0.64 | 0.50 | 0.65 | |||||||||||||
1984 | 0.06 | 0.37 | 0.16 | 0.36 | 0.01 | 0.10 | 0.23 | 0.11 | 0.84 | 0.59 | a | 0.63 | a | 0.09 | 0.84 | b | ||||||||||
1985 | 0.10 | g | 0.68 | 0.80 | b | 0.00 | 0.00 | 0.33 | 0.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1986 | ----- | z | ----- | z | ----- | z | 0.31 | 0.04 | 0.25 | 0.05 | 0.01 | 0.40 | 0.41 | 0.00 | 0.06 | ----- | z | |||||||||
1987 | 0.31 | 0.50 | 0.88 | 0.25 | a | 0.41 | 0.35 | q | 0.05 | 0.00 | 0.00 | 0.19 | 0.13 | 0.14 | 0.88 | r | ||||||||||
1988 | 0.30 | 0.05 | 0.12 | 0.46 | 0.01 | 0.09 | 0.12 | 0.00 | 0.15 | 0.17 | 1.15 | 0.08 | 1.15 | |||||||||||||
1989 | 0.27 | 0.60 | 0.16 | 0.04 | 0.43 | 0.15 | 0.00 | 0.52 | 0.76 | 0.41 | ----- | z | 0.00 | ----- | z | |||||||||||
1990 | 0.46 | 0.39 | 0.09 | 0.11 | 0.56 | 0.06 | 0.17 | 0.08 | 0.25 | a | 0.05 | 0.18 | 0.30 | 0.56 | a | |||||||||||
1991 | ----- | z | 0.19 | 1.35 | 0.12 | 0.25 | 0.60 | 0.05 | 0.18 | 0.71 | 0.35 | 0.30 | 0.13 | ----- | z | |||||||||||
1992 | 0.12 | 0.08 | 0.12 | 0.04 | 0.01 | 0.48 | 0.47 | 0.21 | 0.25 | 0.11 | 0.05 | 0.75 | 0.75 | |||||||||||||
1993 | 0.80 | 0.37 | 0.13 | 0.04 | 0.19 | 0.60 | 0.00 | 0.00 | 0.32 | 0.36 | 0.35 | 0.29 | 0.80 | |||||||||||||
1994 | 0.01 | 0.18 | 0.59 | 0.08 | a | 0.53 | 0.00 | 0.00 | 0.00 | 0.13 | 0.03 | 0.89 | 0.21 | 0.89 | a | |||||||||||
1995 | 1.27 | 0.11 | 0.82 | 0.45 | a | 1.01 | a | 0.99 | 0.50 | 0.00 | 0.04 | 0.00 | 0.28 | a | 0.90 | 1.27 | c | |||||||||
1996 | 1.35 | 0.82 | 0.92 | 0.46 | 0.74 | 0.11 | 0.08 | 0.47 | 0.04 | 0.19 | 0.52 | 0.76 | 1.35 | |||||||||||||
1997 | 0.82 | 0.50 | 0.09 | 0.72 | 0.15 | a | 0.63 | 0.36 | b | 0.00 | 0.17 | 0.17 | 0.16 | 0.19 | 0.82 | c | ||||||||||
1998 | 0.36 | a | 0.38 | 0.74 | 0.37 | 0.44 | 0.51 | 0.00 | 0.04 | 0.71 | c | 0.22 | 0.32 | 0.22 | 0.74 | d | ||||||||||
1999 | 0.88 | 0.58 | b | 0.06 | a | 0.42 | a | 0.29 | 0.19 | 0.00 | 0.75 | 0.00 | 0.32 | 0.03 | 0.03 | 0.88 | d | |||||||||
2000 | 1.95 | 0.24 | b | 0.55 | a | 0.38 | 0.44 | 0.04 | a | 0.00 | 0.10 | e | 0.14 | 0.13 | 0.31 | 0.17 | 1.95 | i | ||||||||
2001 | 0.11 | a | 0.14 | b | 0.07 | 0.19 | 0.00 | 0.16 | 0.18 | 0.00 | 0.08 | k | 0.01 | a | 0.84 | g | 0.90 | n | ----- | z | ||||||
2002 | 0.42 | i | 0.18 | k | 0.04 | k | 0.32 | 0.07 | b | 0.02 | a | 0.13 | b | 0.10 | k | 0.18 | b | 0.09 | 0.77 | b | 0.81 | ----- | z | |||
2003 | 0.30 | 0.11 | 0.15 | 0.23 | ----- | z | 0.00 | 0.09 | 0.68 | 0.00 | 0.34 | 0.08 | 0.51 | ----- | z | |||||||||||
2004 | 0.13 | 0.51 | 0.73 | 0.03 | 0.15 | 0.46 | 0.00 | 0.23 | 0.00 | 0.79 | 0.88 | a | 0.36 | a | 0.88 | b | ||||||||||
2005 | 0.53 | d | 0.12 | 0.22 | 0.10 | 0.41 | 0.36 | 0.25 | 0.00 | 0.15 | 0.26 | 0.10 | 0.68 | 0.68 | d | |||||||||||
2006 | 3.76 | b | 0.65 | 0.20 | 0.35 | g | 0.90 | 0.09 | 0.24 | 0.00 | 0.23 | 0.23 | a | 1.02 | 0.30 | b | 3.76 | l | ||||||||
2007 | 0.12 | c | 0.72 | a | 0.03 | 0.17 | 0.18 | 0.09 | 0.00 | 0.00 | 0.07 | 0.29 | 0.25 | 0.36 | 0.72 | d | ||||||||||
2008 | 0.30 | b | 0.27 | 0.32 | b | 0.02 | a | 0.36 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.48 | 0.38 | e | 0.48 | k | |||||||
2009 | 0.22 | 0.05 | 0.70 | 0.24 | 0.10 | 0.59 | 0.00 | 0.01 | 0.00 | 0.83 | 0.08 | 0.57 | 0.83 | |||||||||||||
2010 | 0.21 | 0.48 | 0.16 | 0.47 | 0.09 | 0.05 | 0.35 | 0.01 | 0.00 | 0.48 | 0.12 | 1.13 | a | 1.13 | a | |||||||||||
2011 | 0.00 | f | 0.38 | k | 0.25 | j | 0.24 | i | 0.23 | m | 0.34 | b | 0.00 | b | 0.00 | a | 0.00 | d | 0.16 | c | 0.16 | c | 0.00 | d | ----- | z |
2012 | 0.93 | h | 0.06 | 0.02 | 0.10 | 0.00 | c | 0.00 | b | 0.00 | e | 0.01 | f | 0.06 | c | 0.03 | b | 0.22 | g | 0.56 | m | ----- | z | |||
2013 | 0.09 | m | 0.04 | 0.08 | 0.40 | 0.17 | 0.35 | 0.06 | 0.00 | 0.06 | 0.28 | 0.56 | 0.06 | 0.56 | m | |||||||||||
2014 | 0.16 | 0.42 | 0.27 | 0.03 | 0.48 | 0.03 | 0.87 | 0.50 | 0.86 | 0.00 | 0.60 | 0.44 | 0.87 | |||||||||||||
2015 | 0.00 | 0.99 | 1.10 | 0.32 | 0.61 | 0.69 | 0.23 | 0.17 | 0.00 | 0.44 | 0.90 | 0.65 | 1.10 | |||||||||||||
2016 | 0.18 | 0.97 | 0.26 | 0.69 | 0.57 | 0.00 | 0.00 | 0.00 | 0.00 | 1.45 | 0.22 | 0.93 | 1.45 | |||||||||||||
2017 | 2.45 | 1.72 | 0.24 | 0.15 | 0.03 | 0.58 | 0.03 | a | 0.16 | 0.66 | 0.00 | 1.19 | 0.02 | 2.45 | a | |||||||||||
2018 | 0.32 | 0.03 | 0.82 | 0.68 | 0.46 | 0.41 | 0.24 | 0.00 | 0.00 | 0.13 | 0.35 | 0.96 | 0.96 | |||||||||||||
2019 | 1.17 | 0.99 | 0.63 | 0.32 | 0.46 | 0.00 | 0.12 | 0.12 | 0.28 | 0.01 | 0.19 | 0.57 | 1.17 | |||||||||||||
2020 | 0.08 | 0.02 | 0.15 | 0.33 | 0.00 | e | 0.11 | 0.00 | 0.07 | 0.00 | 0.00 | 0.34 | 0.52 | 0.52 | e | |||||||||||
2021 | 0.27 | 0.10 | 0.18 | 0.00 | 0.35 | d | 0.10 | 0.06 | 0.00 | 0.00 | m | 2.13 | 0.24 | d | 0.54 | 2.13 | u | |||||||||
2022 | 0.00 | 0.12 | 0.10 | 0.15 | 0.03 | 0.00 | 0.00 | 0.30 | 0.59 | 0.00 | 0.22 | 1.24 | c | 1.24 | c | |||||||||||
2023 | 1.24 | h | 0.13 | 1.20 | 2.20 | 0.00 | 0.08 | 0.00 | o | 0.00 | 0.00 | 0.73 | 0.40 | 0.19 | 2.20 | w | ||||||||||
2024 | 0.17 | 1.00 | 0.80 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.61 | 0.41 | 0.37 | 0.29 | 0.31 | 0.27 | 0.13 | 0.12 | 0.20 | 0.29 | 0.43 | 0.46 | 1.02 | |||||||||||||
S.D. | 0.73 | 0.36 | 0.36 | 0.34 | 0.29 | 0.25 | 0.18 | 0.18 | 0.26 | 0.38 | 0.34 | 0.33 | 0.35 | |||||||||||||
SKEW | 2.50 | 1.32 | 0.98 | 3.60 | 0.91 | 0.71 | 2.17 | 1.91 | 1.25 | 2.95 | 0.95 | 0.42 | 2.23 | |||||||||||||
MAX | 3.76 | 1.72 | 1.35 | 2.20 | 1.10 | 0.99 | 0.87 | 0.75 | 0.86 | 2.13 | 1.32 | 1.24 | 2.45 | |||||||||||||
MIN | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | |||||||||||||
YRS | 42 | 48 | 50 | 50 | 49 | 51 | 50 | 49 | 50 | 51 | 47 | 47 | 30 |