YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | 5.07 | 5.06 | 0.50 | 0.13 | 0.33 | 0.32 | 0.03 | 1.52 | 0.19 | 1.70 | 6.53 | 3.76 | 25.14 | |||||||||||||
1969 | 6.95 | 1.55 | 0.97 | 0.55 | 0.82 | 0.91 | 0.05 | 0.00 | 1.20 | 0.63 | 0.48 | 5.89 | 20.00 | |||||||||||||
1970 | 10.11 | 1.15 | 1.35 | 0.65 | 0.03 | 0.99 | 0.00 | 0.00 | 0.25 | 1.87 | 6.17 | 5.08 | 27.65 | |||||||||||||
1971 | 5.94 | 2.03 | 4.25 | 1.82 | 0.37 | 0.72 | 0.10 | 0.03 | 1.66 | 1.73 | 2.41 | 4.54 | 25.60 | |||||||||||||
1972 | 4.87 | 3.73 | 1.81 | 0.66 | 1.18 | 1.00 | 0.24 | 0.45 | 1.74 | 0.06 | 2.18 | 4.22 | 22.14 | |||||||||||||
1973 | 3.47 | 0.87 | 0.45 | 0.55 | 0.41 | 0.18 | 0.00 | 0.00 | 1.11 | 3.56 | 7.16 | 7.78 | 25.54 | |||||||||||||
1974 | 9.61 | 2.35 | 2.98 | 1.86 | 0.42 | 0.52 | 0.78 | 0.00 | 0.00 | 0.31 | 2.99 | 3.55 | 25.37 | |||||||||||||
1975 | 6.71 | 4.04 | 3.09 | 0.95 | 0.06 | 0.50 | 0.78 | 1.63 | 0.00 | 3.11 | 3.30 | 5.05 | 29.22 | |||||||||||||
1976 | 3.15 | 3.97 | 1.57 | 1.29 | 0.30 | 0.45 | 0.00 | 1.39 | 0.15 | 0.59 | 0.32 | 0.60 | 13.78 | |||||||||||||
1977 | 0.34 | 1.18 | 1.27 | 0.00 | 2.20 | 0.37 | 0.32 | 1.77 | 1.13 | 1.16 | 4.25 | f | 9.09 | 18.83 | a | |||||||||||
1978 | 4.31 | 3.05 | 0.76 | 1.14 | 0.52 | 0.00 | 0.93 | 1.16 | 1.01 | 0.00 | 0.35 | 1.56 | 14.79 | |||||||||||||
1979 | 1.97 | 4.30 | a | 1.05 | 0.80 | ----- | z | 0.00 | 0.20 | ----- | z | 0.60 | 2.61 | 2.71 | 3.23 | 17.47 | b | |||||||||
1980 | 6.38 | 3.39 | 1.16 | 1.25 | 1.39 | 1.86 | 0.25 | 0.17 | 0.68 | 0.57 | 5.63 | 9.19 | 31.92 | |||||||||||||
1981 | 1.94 | 3.62 | 0.46 | 0.83 | 0.96 | 1.59 | 0.50 | 0.08 | 1.12 | 2.03 | 3.31 | 8.62 | 25.06 | |||||||||||||
1982 | 4.72 | a | 4.49 | 1.29 | m | 3.24 | o | 0.62 | s | 0.95 | 0.09 | 0.30 | 1.78 | 2.66 | a | 3.27 | a | 5.92 | a | 24.18 | c | |||||
1983 | 4.27 | 6.19 | a | 6.94 | 0.91 | 2.92 | 0.30 | 0.52 | 1.06 | 1.03 | 1.15 | a | 7.12 | 4.76 | 37.17 | |||||||||||
1984 | 1.16 | 2.45 | 2.83 | a | 1.99 | 4.98 | 4.48 | 0.00 | 0.00 | 1.02 | 1.00 | 8.40 | 2.57 | l | 28.31 | a | ||||||||||
1985 | 0.24 | 2.85 | ----- | z | 0.25 | 1.14 | 1.65 | 0.00 | 0.09 | 1.49 | 1.88 | 3.62 | 1.14 | 14.35 | a | |||||||||||
1986 | 3.55 | 2.49 | 2.28 | 0.35 | 0.65 | 0.08 | a | 0.28 | 0.11 | 3.09 | 1.00 | 3.18 | 1.20 | 18.26 | ||||||||||||
1987 | 3.78 | 2.77 | 2.54 | 0.54 | b | 1.12 | 0.13 | a | 0.69 | d | ----- | z | 0.00 | e | ----- | z | 0.98 | m | 6.48 | g | 11.57 | d | ||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | f | 0.05 | 0.00 | 0.00 | b | 0.31 | b | 5.57 | g | ----- | z | 0.36 | h | ||
1989 | ----- | z | 1.21 | b | ----- | z | 1.62 | 0.95 | 0.05 | 0.01 | 2.18 | a | 0.00 | 1.11 | 2.11 | e | 1.62 | a | 10.86 | b | ||||||
1990 | ----- | z | 4.74 | d | 0.85 | a | 1.25 | 1.70 | 0.98 | 0.00 | b | 1.08 | 0.04 | 1.96 | 2.50 | h | ----- | z | 12.60 | c | ||||||
1991 | ----- | z | ----- | z | 4.79 | 0.79 | c | 0.64 | f | 2.62 | a | 0.22 | 0.00 | 0.00 | 0.90 | c | 4.07 | c | 2.27 | t | 13.39 | d | ||||
1992 | 1.95 | n | 2.06 | p | 0.74 | e | 2.79 | b | 0.00 | 1.13 | 1.29 | a | 0.56 | a | 0.99 | f | ----- | z | ----- | z | ----- | z | 6.51 | f | ||
1993 | ----- | z | ----- | z | 2.26 | l | 1.24 | b | 0.68 | a | 1.18 | 1.19 | b | 0.36 | 0.01 | c | 0.04 | 0.14 | d | 3.69 | h | 4.84 | d | |||
1994 | 2.35 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | 6.44 | a | 4.11 | b | 1.67 | a | 1.92 | 0.68 | a | 1.00 | 1.03 | 0.10 | 1.15 | 0.44 | 6.69 | 3.13 | 28.36 | |||||||||
1996 | 3.98 | e | 6.80 | d | 1.35 | 2.25 | 0.83 | a | 0.02 | 0.02 | 0.00 | 0.52 | 1.59 | 5.74 | b | 6.57 | b | 29.67 | ||||||||
1997 | 2.05 | a | 0.86 | a | 2.16 | a | 0.62 | c | 0.51 | ----- | z | 0.51 | 0.28 | 0.90 | ----- | z | 1.32 | 1.47 | 10.68 | b | ||||||
1998 | 4.70 | c | 3.90 | d | 1.66 | 0.37 | 1.32 | a | 1.06 | 0.49 | 0.00 | 0.62 | 0.07 | 7.43 | 9.16 | 30.78 | ||||||||||
1999 | 3.68 | d | 6.48 | j | 0.70 | h | ----- | z | 0.79 | 0.00 | 0.00 | 0.23 | 0.00 | 0.87 | c | 3.73 | g | 3.04 | c | 8.61 | d | |||||
2000 | 4.04 | g | 3.85 | h | 1.10 | a | 0.22 | 0.44 | 0.31 | a | 0.00 | 0.00 | 0.44 | c | 0.89 | b | 1.03 | 1.99 | 6.42 | b | ||||||
2001 | 0.79 | b | 0.83 | n | 1.54 | c | 1.17 | 0.35 | 0.48 | a | 0.31 | 0.22 | 0.14 | 1.12 | d | 4.14 | 4.63 | a | 14.89 | a | ||||||
2002 | 2.74 | 1.39 | a | 2.47 | 0.93 | 0.33 | a | 0.83 | 0.02 | 0.22 | 0.01 | a | 0.44 | 1.20 | a | 5.81 | 16.39 | |||||||||
2003 | 8.73 | w | 1.40 | d | 3.06 | b | 1.90 | 0.40 | 0.00 | 0.00 | 0.31 | 0.10 | 1.01 | 1.42 | 4.15 | f | 9.60 | b | ||||||||
2004 | 2.99 | b | 1.74 | 1.26 | 0.84 | 1.26 | 1.68 | 0.44 | 1.74 | 0.70 | 1.32 | a | 0.38 | 2.84 | 17.19 | |||||||||||
2005 | 1.66 | a | 0.27 | 2.86 | 0.97 | a | 1.95 | a | 0.20 | 0.07 | 0.06 | 0.49 | 1.75 | p | 3.79 | 7.17 | p | 12.32 | b | |||||||
2006 | 9.57 | a | 1.41 | b | 2.08 | 1.23 | 0.85 | 2.18 | 0.05 | 0.00 | 0.25 | 0.94 | a | 9.72 | f | 4.98 | q | 18.56 | b | |||||||
2007 | 2.31 | a | 2.45 | 1.13 | 0.97 | 0.33 | 0.23 | e | 0.00 | 0.67 | 0.73 | 2.07 | 3.39 | 7.89 | 22.17 | |||||||||||
2008 | 5.81 | 3.74 | 1.28 | 0.08 | 1.54 | 0.45 | 0.19 | 0.73 | 0.38 | d | 1.30 | 2.64 | a | 5.14 | a | 23.28 | ||||||||||
2009 | 3.79 | 2.38 | 3.97 | 0.48 | 2.38 | 1.01 | 0.10 | 0.15 | a | 0.26 | 2.78 | b | 2.67 | 2.47 | 22.44 | |||||||||||
2010 | 3.55 | b | 2.29 | a | 1.61 | a | 1.95 | 2.26 | 1.81 | 0.07 | 0.00 | 1.59 | 3.11 | 3.56 | d | 6.63 | e | 28.43 | ||||||||
2011 | 1.94 | g | 1.11 | d | 4.32 | 2.50 | c | 1.88 | c | 0.88 | c | 0.65 | c | 0.00 | e | 0.02 | b | 2.19 | a | 3.03 | n | 3.78 | f | 13.55 | c | |
2012 | 2.79 | m | 1.26 | g | 5.17 | f | 1.15 | g | 1.26 | b | 1.68 | b | 0.26 | a | 0.00 | a | 0.02 | d | ----- | z | 0.29 | v | 3.65 | q | 3.22 | g |
2013 | 0.47 | r | ----- | z | ----- | z | 0.00 | u | 1.75 | h | 0.85 | d | 0.00 | g | 0.54 | g | 3.05 | h | 1.69 | j | 2.13 | n | ----- | z | 0.85 | k |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | 0.63 | j | 0.14 | j | 0.02 | o | 0.02 | j | 0.00 | u | ----- | z | ----- | z | ----- | z | 0.00 | l |
2015 | 2.81 | c | 3.47 | i | 0.82 | q | 0.03 | y | 0.96 | d | 0.03 | c | 0.07 | a | 0.08 | d | 0.03 | x | 0.33 | o | 2.28 | n | 3.26 | k | 3.95 | g |
2016 | 3.17 | k | 1.98 | g | 2.81 | j | 0.16 | m | 0.64 | g | 0.05 | 0.08 | g | 0.01 | e | 0.09 | k | 6.27 | 2.29 | i | 2.40 | j | 6.33 | i | ||
2017 | 3.81 | d | 4.09 | g | 3.35 | n | 2.29 | i | 0.79 | d | 0.75 | b | 0.00 | a | 0.04 | k | 0.32 | k | 3.10 | f | 4.32 | o | 1.64 | s | 5.35 | h |
2018 | 2.62 | v | 0.35 | u | 2.27 | n | 1.78 | e | 0.46 | i | 0.24 | k | 0.00 | n | 0.00 | m | 0.01 | k | 1.67 | j | 1.73 | h | 5.37 | S | 1.78 | k |
2019 | 2.26 | o | 3.84 | i | 1.03 | b | 2.34 | a | 2.49 | d | 0.58 | g | 0.11 | f | 1.54 | n | 1.10 | p | 1.39 | i | 0.72 | t | 2.43 | o | 5.86 | i |
2020 | 4.99 | j | 0.93 | n | 1.05 | c | 0.16 | n | 1.75 | m | 0.98 | f | 0.00 | o | 0.00 | v | 0.38 | s | 1.80 | k | 2.94 | p | 2.43 | o | 1.05 | k |
2021 | 3.03 | o | 2.11 | n | 0.04 | s | 0.05 | t | 0.22 | p | 0.35 | a | 0.00 | i | 0.10 | l | 0.87 | 1.52 | 3.81 | i | 5.14 | i | 2.74 | i | ||
2022 | 3.00 | h | ----- | z | 1.00 | h | 2.72 | i | 1.88 | n | 0.98 | k | 0.36 | i | 0.05 | j | 0.20 | 0.86 | l | 4.51 | m | 4.72 | k | 0.20 | k | |
2023 | 2.40 | j | 1.04 | i | 1.92 | j | 1.93 | g | 1.40 | l | 0.35 | k | 0.06 | m | 0.26 | f | 1.74 | e | 0.53 | i | ----- | z | 3.87 | w | 1.74 | k |
2024 | 7.00 | v | ----- | z | 1.13 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 4.14 | 2.81 | 2.01 | 1.11 | 1.09 | 0.83 | 0.28 | 0.43 | 0.66 | 1.46 | 3.45 | 4.61 | 24.36 | |||||||||||||
S.D. | 2.44 | 1.56 | 1.38 | 0.71 | 0.94 | 0.85 | 0.35 | 0.60 | 0.68 | 1.19 | 2.31 | 2.56 | 5.85 | |||||||||||||
SKEW | 0.73 | 0.58 | 1.55 | 0.51 | 1.93 | 2.00 | 1.36 | 1.45 | 1.22 | 1.74 | 0.46 | 0.31 | -0.01 | |||||||||||||
MAX | 10.11 | 6.80 | 6.94 | 2.79 | 4.98 | 4.48 | 1.29 | 2.18 | 3.09 | 6.27 | 8.40 | 9.19 | 37.17 | |||||||||||||
MIN | 0.24 | 0.27 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.60 | 13.78 | |||||||||||||
YRS | 36 | 36 | 39 | 42 | 43 | 47 | 46 | 44 | 46 | 41 | 35 | 32 | 23 |