YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | y | 5.34 | 5.69 | 11.03 | j | ||
1955 | 1.83 | 1.39 | 0.64 | 2.92 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 2.56 | 12.97 | 23.06 | |||||||||||||
1956 | 9.29 | 5.67 | 0.06 | 2.40 | 0.58 | 0.08 | 0.16 | 0.00 | 0.29 | 1.60 | 0.14 | 0.15 | 20.42 | |||||||||||||
1957 | 4.58 | 6.61 | 2.14 | 1.68 | 1.68 | 0.00 | 0.00 | 0.00 | 2.52 | 4.57 | ----- | z | ----- | z | 23.78 | b | ||||||||||
1958 | ----- | z | 5.47 | r | 6.98 | 4.36 | 0.90 | 0.77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 1.30 | 14.53 | b | ||||||||||
1959 | 7.34 | l | 7.95 | 0.38 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 1.49 | 0.00 | 0.00 | 1.21 | 11.28 | a | |||||||||||
1960 | 6.25 | c | 4.63 | a | 2.20 | 1.68 | b | 0.92 | b | 0.00 | ----- | z | 0.00 | 0.00 | 0.80 | 3.52 | 4.85 | 24.85 | a | |||||||
1961 | 3.83 | 2.35 | 2.63 | 1.57 | 0.15 | 0.00 | 0.00 | 0.07 | 0.33 | 0.05 | 6.15 | 0.77 | b | 17.90 | ||||||||||||
1962 | 0.24 | d | 8.14 | 4.05 | 0.12 | 0.32 | 0.05 | 0.00 | 0.00 | a | 0.00 | b | 7.40 | 1.03 | 3.02 | 24.37 | ||||||||||
1963 | 4.38 | ----- | z | 2.93 | 1.63 | l | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 1.87 | 4.69 | 0.63 | 14.50 | c | |||||||||
1964 | 3.73 | 0.07 | 0.90 | 0.00 | 0.30 | 0.27 | 0.00 | 0.00 | 0.05 | 1.66 | 5.45 | 6.89 | 19.32 | |||||||||||||
1965 | 6.77 | 0.73 | 1.08 | 4.34 | 0.00 | 0.00 | 0.03 | 1.97 | 0.00 | 0.00 | 7.09 | 3.95 | 25.96 | |||||||||||||
1966 | 3.69 | 3.67 | 0.67 | 0.61 | 0.32 | 0.05 | 0.00 | 0.39 | 0.17 | 0.00 | 6.50 | 4.68 | 20.75 | |||||||||||||
1967 | 7.88 | 0.28 | 6.03 | 3.51 | 0.18 | 1.39 | 0.00 | 0.00 | 0.11 | 0.67 | 2.40 | 2.10 | 24.55 | |||||||||||||
1968 | 9.30 | 4.25 | 2.92 | 0.67 | 0.48 | 0.00 | 0.00 | 0.49 | ----- | z | ----- | z | 2.41 | 7.34 | 27.86 | b | ||||||||||
1969 | 8.02 | 9.05 | 1.26 | 1.90 | 0.00 | 0.34 | 0.00 | 0.00 | 0.00 | 1.67 | 0.69 | 9.11 | 32.04 | |||||||||||||
1970 | 11.97 | 2.80 | 1.58 | 0.08 | 0.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.71 | 7.73 | 6.87 | 32.14 | |||||||||||||
1971 | 3.36 | 0.02 | 2.76 | 0.49 | 1.12 | 0.00 | 0.00 | 0.00 | 0.09 | 0.18 | 1.75 | 6.56 | 16.33 | |||||||||||||
1972 | 1.35 | 2.01 | 0.38 | 1.37 | 0.53 | 0.08 | 0.00 | 0.00 | 0.91 | 2.98 | 5.62 | 2.52 | 17.75 | |||||||||||||
1973 | 11.66 | 8.93 | 2.64 | 0.16 | 0.03 | 0.00 | 0.02 | 0.03 | 0.52 | 2.75 | 8.32 | 5.67 | 40.73 | |||||||||||||
1974 | 5.73 | 1.82 | 6.34 | 1.36 | 0.00 | 0.00 | 0.70 | 0.14 | 0.00 | 1.21 | 0.73 | 4.53 | 22.56 | |||||||||||||
1975 | 1.28 | 8.86 | 7.64 | 1.15 | 0.00 | 0.04 | 0.19 | 0.19 | 0.00 | 2.20 | 0.72 | 0.51 | 22.78 | |||||||||||||
1976 | 0.27 | 0.86 | 0.95 | 2.50 | 0.00 | 0.05 | 0.05 | 0.64 | 0.29 | 0.51 | 1.28 | 0.77 | 8.17 | |||||||||||||
1977 | 1.63 | 1.52 | 2.80 | 0.13 | 1.94 | 0.35 | 0.04 | 0.00 | 1.01 | 0.49 | 3.01 | 5.33 | 18.25 | |||||||||||||
1978 | 12.76 | 6.97 | 4.05 | 3.43 | 0.15 | 0.12 | 0.00 | 0.00 | 0.25 | 0.00 | 0.95 | 0.43 | 29.11 | |||||||||||||
1979 | 8.73 | 5.48 | 4.35 | 1.40 | 0.57 | 0.00 | 0.00 | 0.10 | 0.00 | 2.74 | 4.35 | 6.70 | 34.42 | |||||||||||||
1980 | 4.72 | 9.30 | 1.77 | 1.26 | 0.64 | 0.33 | 0.12 | 0.00 | 0.04 | 0.30 | 0.33 | 4.66 | 23.47 | |||||||||||||
1981 | 7.17 | 1.86 | 2.44 | 1.09 | 0.57 | 0.00 | 0.08 | 0.00 | 0.59 | 3.16 | 8.42 | 5.12 | 30.50 | |||||||||||||
1982 | 5.70 | a | 2.68 | 5.00 | 3.22 | 0.00 | 0.27 | 0.57 | 0.00 | 1.71 | 3.86 | 4.98 | 4.67 | 32.66 | ||||||||||||
1983 | 11.64 | 7.80 | 12.05 | 4.83 | 0.52 | 0.14 | 0.00 | 0.13 | 0.23 | 1.10 | 10.44 | 13.00 | 61.88 | |||||||||||||
1984 | 0.60 | 2.49 | 2.11 | 0.66 | 0.02 | 0.06 | a | 0.00 | 0.23 | a | 0.04 | 2.00 | 9.25 | 2.71 | 20.17 | |||||||||||
1985 | 0.49 | 1.65 | 4.45 | 0.13 | 0.00 | 0.00 | 0.00 | 0.08 | 1.00 | ----- | z | ----- | z | ----- | z | 7.80 | c | |||||||||
1986 | ----- | z | ----- | z | 0.00 | q | 1.12 | 0.45 | 0.00 | 0.00 | 0.00 | 1.17 | 0.38 | 0.02 | 1.80 | 4.94 | c | |||||||||
1987 | 4.20 | 3.86 | 7.43 | 0.08 | 0.14 | 0.13 | 0.00 | 0.00 | 0.02 | 1.33 | 2.28 | 8.39 | 27.86 | |||||||||||||
1988 | 6.61 | 0.72 | 0.10 | 1.76 | 1.00 | a | 0.24 | 0.00 | 0.00 | 0.00 | 0.04 | 3.51 | 3.19 | a | 17.17 | |||||||||||
1989 | 0.91 | 0.88 | 7.47 | 0.90 | 0.27 | 0.33 | 0.00 | 0.00 | 4.11 | 4.85 | 1.36 | 0.00 | 21.08 | |||||||||||||
1990 | 5.46 | 2.45 | 0.99 | 0.00 | 3.78 | 0.02 | 0.00 | 0.00 | 0.86 | 1.03 | 0.40 | 1.28 | 16.27 | |||||||||||||
1991 | 0.30 | 3.45 | 13.88 | 0.26 | 0.62 | 0.62 | 0.00 | 0.02 | 0.00 | 0.59 | 1.00 | 3.25 | 23.99 | |||||||||||||
1992 | 2.35 | 9.00 | ----- | z | 0.77 | 0.13 | 0.70 | 0.00 | 0.00 | 0.00 | 2.60 | 0.36 | 9.27 | 25.18 | a | |||||||||||
1993 | 13.36 | 9.17 | 2.15 | 1.19 | 1.95 | 1.09 | 0.00 | 0.00 | 0.00 | a | 1.70 | 2.13 | 4.46 | 37.20 | ||||||||||||
1994 | 2.74 | 5.88 | 0.62 | 1.22 | 1.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 5.30 | 3.65 | 21.01 | |||||||||||||
1995 | 25.96 | 0.40 | 15.71 | 1.44 | 2.34 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 11.23 | 57.39 | |||||||||||||
1996 | 6.74 | 10.43 | 2.40 | 2.72 | 2.29 | 0.00 | 0.00 | 0.00 | 0.02 | 1.51 | 2.72 | b | 8.47 | 37.30 | ||||||||||||
1997 | 12.98 | 0.45 | 1.64 | 0.22 | 0.48 | 0.47 | 0.00 | 0.76 | 0.37 | 0.70 | 9.28 | 2.87 | 30.22 | |||||||||||||
1998 | 9.13 | 22.03 | 3.21 | 2.72 | 5.99 | 0.28 | 0.00 | 0.00 | 2.11 | 0.72 | 5.20 | 2.09 | 53.48 | |||||||||||||
1999 | 2.61 | 8.54 | 4.73 | 2.12 | 0.14 | 0.26 | 0.00 | 0.00 | 0.02 | 0.65 | 3.68 | 0.84 | 23.59 | |||||||||||||
2000 | 6.26 | 10.33 | 2.76 | 2.04 | 1.40 | 0.63 | 0.00 | 0.00 | 0.25 | 1.56 | 1.52 | b | 0.87 | 27.62 | ||||||||||||
2001 | 6.23 | a | 7.90 | 3.87 | 0.82 | 0.00 | 0.11 | 0.00 | 0.00 | 0.27 | 1.34 | ----- | z | 9.41 | 29.95 | a | ||||||||||
2002 | 4.85 | 0.57 | 0.84 | 0.44 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.76 | 17.88 | 29.35 | |||||||||||||
2003 | 3.02 | 1.06 | 3.66 | 5.66 | 0.93 | 0.00 | 0.02 | 1.14 | 0.05 | 0.00 | 3.95 | 14.10 | 33.59 | |||||||||||||
2004 | 3.70 | 13.04 | 1.51 | 0.39 | 0.10 | 0.02 | 0.00 | 0.00 | 0.00 | 3.20 | 2.19 | 10.15 | 34.30 | |||||||||||||
2005 | 6.52 | 4.31 | 5.54 | 1.67 | 3.46 | 0.55 | 0.00 | 0.00 | 0.00 | 0.59 | 3.85 | 12.72 | 39.21 | |||||||||||||
2006 | 4.03 | 4.55 | 9.70 | 8.57 | 1.04 | 0.04 | 0.00 | 0.00 | 0.00 | 0.15 | 1.99 | 4.70 | 34.77 | |||||||||||||
2007 | 0.11 | 6.56 | 0.08 | 0.97 | 0.05 | 0.00 | 0.06 | 0.00 | 0.11 | 0.82 | ----- | z | ----- | z | 8.76 | b | ||||||||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | ----- | z | 0.67 | j | 1.18 | c | 0.05 | b | 0.00 | 0.00 | 0.03 | 3.89 | e | 0.63 | g | 2.32 | m | 5.15 | f | |||
2010 | 12.56 | j | 4.75 | i | 2.02 | f | 4.62 | j | 1.44 | d | 0.00 | 0.00 | 0.00 | 0.00 | 2.95 | e | 1.83 | m | 7.04 | o | 4.39 | f | ||||
2011 | 0.65 | n | 5.53 | g | 7.35 | i | 0.21 | p | 1.26 | S | 1.74 | j | 0.00 | k | 0.00 | j | 0.00 | j | 1.64 | m | 1.15 | k | 0.08 | m | 0.00 | l |
2012 | 3.53 | S | 1.10 | n | 8.10 | j | 2.49 | l | 0.02 | i | 0.02 | g | 0.00 | S | 0.00 | u | 0.00 | l | 0.74 | i | 4.63 | l | 10.89 | i | 0.00 | l |
2013 | 1.21 | m | 0.05 | S | 1.53 | i | 0.49 | j | 0.15 | n | 0.09 | j | 0.00 | k | 0.00 | j | 0.16 | e | 0.00 | o | 0.48 | i | 0.01 | o | 0.16 | k |
2014 | 0.08 | g | 6.68 | f | 1.13 | l | 1.57 | l | 0.00 | p | 0.00 | n | 0.00 | S | 0.00 | S | 0.37 | p | 0.18 | v | 3.29 | o | 13.95 | S | 0.00 | l |
2015 | 0.08 | l | 6.68 | m | 0.32 | n | 1.39 | S | 0.10 | g | 0.01 | j | ----- | z | 0.00 | x | ----- | z | 0.06 | l | 1.62 | h | 4.25 | S | 0.00 | l |
2016 | 7.84 | j | 0.76 | S | 8.88 | S | 1.03 | j | 0.92 | S | 0.26 | m | 0.00 | o | ----- | z | ----- | z | ----- | z | ----- | z | 3.91 | r | 0.00 | l |
2017 | 16.63 | j | 13.48 | h | 3.04 | j | 3.32 | j | ----- | z | 0.04 | t | 0.00 | w | 0.00 | x | 0.00 | w | ----- | z | 2.32 | o | 0.38 | S | 0.00 | l |
2018 | 4.16 | S | 0.26 | l | 4.44 | m | 2.42 | l | 0.00 | y | 0.08 | u | 0.00 | o | 0.00 | u | 0.02 | m | 1.00 | p | 3.55 | q | 2.54 | n | 0.00 | l |
2019 | 9.41 | S | 17.30 | S | 6.76 | l | 0.40 | n | 3.08 | v | 0.00 | r | ----- | z | 0.00 | s | 0.03 | p | 0.05 | w | 0.00 | y | 10.76 | o | 0.00 | l |
2020 | 0.43 | u | 0.24 | s | ----- | z | 0.89 | r | 0.65 | r | ----- | z | ----- | z | ----- | z | 0.00 | y | ----- | z | 0.55 | r | 1.54 | u | 0.00 | l |
2021 | 0.56 | t | 1.51 | o | 1.10 | v | 0.40 | v | 0.00 | y | 0.00 | s | ----- | z | ----- | z | 0.11 | s | 6.03 | s | 0.96 | t | 4.66 | u | 0.00 | l |
2022 | 0.16 | v | 0.07 | t | 0.34 | y | 1.70 | w | 0.14 | a | 0.13 | 0.00 | 0.03 | 1.99 | b | ----- | z | ----- | z | ----- | z | 2.29 | g | |||
2023 | 12.95 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | v | 0.00 | l | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 5.74 | 4.91 | 3.62 | 1.66 | 0.79 | 0.19 | 0.04 | 0.11 | 0.42 | 1.43 | 3.41 | 5.20 | 28.21 | |||||||||||||
S.D. | 4.69 | 4.26 | 3.46 | 1.66 | 1.11 | 0.29 | 0.12 | 0.33 | 0.78 | 1.53 | 2.82 | 4.18 | 10.98 | |||||||||||||
SKEW | 1.74 | 1.41 | 1.71 | 1.88 | 2.61 | 2.15 | 4.37 | 4.05 | 2.72 | 1.61 | 0.74 | 0.96 | 1.22 | |||||||||||||
MAX | 25.96 | 22.03 | 15.71 | 8.57 | 5.99 | 1.39 | 0.70 | 1.97 | 4.11 | 7.40 | 10.44 | 17.88 | 61.88 | |||||||||||||
MIN | 0.11 | 0.02 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.17 | |||||||||||||
YRS | 50 | 50 | 51 | 52 | 55 | 56 | 55 | 56 | 56 | 53 | 50 | 51 | 42 |