YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | q | 0.00 | 0.00 | a | 0.00 | 0.80 | 1.15 | 6.03 | a | 7.98 | f | ||||
1952 | 5.72 | 2.08 | 8.01 | 1.34 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 2.90 | 6.09 | 26.39 | |||||||||||||
1953 | 3.59 | 0.09 | 1.46 | 2.83 | 1.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 1.61 | 1.29 | 12.19 | |||||||||||||
1954 | 2.44 | 3.42 | 4.73 | 0.61 | 0.42 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 1.80 | 0.08 | e | 13.72 | ||||||||||||
1955 | 5.09 | 1.90 | 0.21 | 2.00 | 1.44 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 1.85 | 8.96 | 21.47 | |||||||||||||
1956 | 5.18 | 1.49 | 0.03 | 3.55 | 1.06 | 0.00 | a | 0.00 | 0.00 | 0.00 | 2.22 | 0.00 | 0.96 | 14.49 | ||||||||||||
1957 | 2.56 | 1.83 | 2.23 | 2.74 | 3.70 | 0.29 | 0.00 | 0.00 | 0.00 | 1.15 | 1.21 | 3.19 | 18.90 | |||||||||||||
1958 | 5.93 | 4.96 | 7.22 | 4.02 | 1.46 | 0.05 | 0.00 | 0.80 | 0.96 | 0.00 | 0.83 | 0.08 | 26.31 | |||||||||||||
1959 | 0.89 | 3.25 | 0.33 | 0.49 | 0.19 | 0.00 | 0.00 | 0.00 | 0.62 | 0.00 | 0.00 | 1.49 | 7.26 | |||||||||||||
1960 | 2.57 | 6.23 | 1.79 | 2.14 | 0.00 | 0.00 | 0.03 | 0.00 | 0.08 | 0.29 | 3.04 | 0.46 | 16.63 | |||||||||||||
1961 | 1.12 | 0.48 | 3.32 | 1.19 | 0.74 | 0.81 | ----- | z | 0.25 | 0.00 | 0.01 | 2.19 | 0.81 | 10.92 | a | |||||||||||
1962 | 2.98 | 7.48 | 2.25 | 0.02 | 0.78 | 0.07 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 13.61 | |||||||||||||
1963 | 1.10 | 3.22 | 2.97 | 2.95 | 0.57 | 0.64 | 0.00 | 0.44 | 1.54 | 2.26 | 3.93 | 0.56 | 20.18 | |||||||||||||
1964 | 1.92 | 0.63 | 3.45 | 1.95 | 1.89 | 0.00 | 0.00 | 0.00 | 0.21 | 1.03 | 3.44 | 5.10 | 19.62 | |||||||||||||
1965 | 3.63 | 0.70 | 2.30 | 5.15 | 0.05 | 0.03 | 0.32 | 0.58 | 0.40 | 0.15 | 3.18 | 4.01 | 20.50 | |||||||||||||
1966 | 1.52 | 1.99 | 0.45 | 0.12 | 0.11 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 2.07 | 8.74 | 15.11 | |||||||||||||
1967 | 2.91 | 0.45 | 2.63 | 6.47 | ----- | z | 0.13 | 0.00 | 0.00 | 1.30 | 0.00 | 2.08 | 2.70 | 18.67 | a | |||||||||||
1968 | 2.09 | 1.79 | 2.34 | 1.50 | 0.10 | 0.00 | 0.10 | 0.00 | ----- | z | 1.67 | 1.86 | 3.42 | 14.87 | a | |||||||||||
1969 | 10.89 | 9.68 | 2.17 | 1.94 | 0.19 | 0.81 | 0.19 | 0.00 | 0.00 | 0.00 | 0.31 | 1.79 | 27.97 | |||||||||||||
1970 | 6.66 | 0.96 | 2.56 | 1.14 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 4.92 | 4.13 | 20.51 | |||||||||||||
1971 | 1.56 | 1.22 | 0.97 | 2.22 | 3.14 | 0.00 | 0.00 | 0.01 | 0.13 | 0.26 | 1.32 | 5.01 | 15.84 | |||||||||||||
1972 | 0.23 | 0.89 | 0.00 | 0.93 | 0.42 | 0.38 | 0.00 | 1.06 | 0.01 | 1.40 | 4.27 | 4.52 | 14.11 | |||||||||||||
1973 | 6.83 | 3.15 | 6.68 | 0.83 | 0.16 | 0.00 | 0.00 | 0.04 | 0.00 | 0.22 | 3.55 | 3.51 | 24.97 | |||||||||||||
1974 | 3.66 | 0.47 | 3.74 | 3.54 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 3.22 | 0.55 | 2.04 | 17.57 | |||||||||||||
1975 | 0.99 | 4.21 | 4.88 | 3.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.15 | 2.37 | 1.25 | 0.66 | 17.52 | |||||||||||||
1976 | 0.04 | 2.26 | 2.46 | 1.93 | 0.07 | 0.00 | 0.17 | 0.06 | 6.39 | 0.70 | 1.15 | 0.43 | 15.66 | |||||||||||||
1977 | 1.56 | 0.89 | 0.75 | 0.11 | 1.19 | 0.63 | 0.00 | 1.00 | 0.00 | 0.00 | 0.47 | 5.82 | 12.42 | |||||||||||||
1978 | 5.86 | 7.49 | 5.59 | 3.88 | 0.36 | 0.00 | 0.00 | 0.00 | 2.15 | 0.00 | 1.28 | 2.36 | 28.97 | |||||||||||||
1979 | 3.56 | 4.45 | 5.80 | 0.14 | 0.38 | 0.00 | 0.00 | 0.00 | 1.07 | 1.36 | 1.69 | 0.96 | 19.41 | |||||||||||||
1980 | 11.12 | 3.87 | 3.53 | 1.37 | 0.62 | 0.00 | 0.00 | 0.00 | 0.01 | 0.60 | 0.09 | 0.62 | 21.83 | |||||||||||||
1981 | 3.75 | 2.58 | 5.44 | 1.99 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 2.52 | 1.42 | 3.12 | 21.17 | |||||||||||||
1982 | 5.09 | 2.25 | 6.00 | q | 3.18 | 0.00 | 0.21 | 0.00 | 0.00 | 1.17 | 2.00 | 4.59 | 4.69 | 23.18 | a | |||||||||||
1983 | 6.57 | 6.50 | 7.72 | 2.62 | 0.94 | a | 0.00 | 0.00 | 1.91 | 0.91 | 0.55 | 7.36 | 4.59 | 39.67 | ||||||||||||
1984 | 0.04 | 2.62 | 0.93 | 1.52 | 0.00 | 0.07 | 0.13 | a | 0.19 | 0.05 | 1.39 | a | 3.64 | 1.77 | 12.35 | |||||||||||
1985 | 0.96 | 2.62 | 3.64 | 0.13 | 0.02 | 0.44 | 0.00 | 0.00 | 0.66 | 0.55 | 4.87 | 1.43 | 15.32 | |||||||||||||
1986 | 3.25 | 4.99 | 5.87 | 0.64 | 0.07 | 0.00 | 0.08 | 0.00 | 0.64 | 0.15 | 0.95 | 1.45 | 18.09 | |||||||||||||
1987 | 3.83 | 3.42 | 3.89 | 0.73 | 0.00 | 0.30 | 0.00 | 0.00 | ----- | z | 0.94 | 2.02 | 2.56 | 17.69 | a | |||||||||||
1988 | 3.09 | 0.12 | 1.49 | 2.45 | 1.71 | 0.05 | 0.04 | 0.00 | 0.00 | 0.00 | 3.29 | 3.46 | 15.70 | |||||||||||||
1989 | 0.78 | 1.47 | 3.56 | 1.01 | 0.84 | 0.00 | 0.00 | 0.00 | 0.72 | 0.50 | 0.92 | 0.00 | 9.80 | |||||||||||||
1990 | 3.93 | 3.12 | 1.35 | 1.59 | 1.25 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.08 | 0.79 | 12.24 | |||||||||||||
1991 | 0.71 | 0.26 | 9.89 | 0.37 | 0.30 | 0.00 | 0.00 | 0.02 | 0.01 | 1.29 | 1.25 | ----- | z | 14.10 | a | |||||||||||
1992 | 1.81 | 4.24 | 2.24 | 0.12 | 0.05 | 0.00 | 0.54 | 0.00 | 0.00 | 2.06 | ----- | z | 4.78 | 15.84 | a | |||||||||||
1993 | 6.14 | 5.80 | ----- | z | 0.15 | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | 0.44 | 2.70 | 2.57 | 17.80 | d | ||||||||
1994 | 1.33 | 4.03 | 1.23 | 2.95 | 1.72 | 0.00 | 0.00 | 0.00 | 0.35 | 0.73 | 2.88 | 2.43 | 17.65 | |||||||||||||
1995 | 8.46 | 2.35 | 7.70 | ----- | z | 1.81 | 0.47 | 0.00 | 0.48 | 0.06 | 0.00 | 0.00 | 2.97 | 24.30 | a | |||||||||||
1996 | 6.65 | a | 7.81 | 3.55 | 1.13 | 0.12 | 0.00 | 0.17 | 0.00 | 0.00 | 1.22 | 5.06 | 7.01 | 32.72 | ||||||||||||
1997 | 7.77 | 1.25 | 0.06 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.56 | 0.60 | 3.66 | 2.18 | 16.15 | |||||||||||||
1998 | 7.25 | 12.28 | 6.19 | 3.29 | 4.93 | 1.50 | 0.00 | 0.00 | 0.48 | 0.57 | 2.04 | 1.36 | c | 39.89 | ||||||||||||
1999 | 6.50 | 1.66 | 1.26 | 2.00 | 0.03 | 0.01 | 0.20 | 0.00 | 0.04 | 0.00 | 1.12 | 0.12 | 12.94 | |||||||||||||
2000 | 3.20 | 7.93 | 2.63 | 1.57 | 0.53 | 0.19 | 0.00 | 0.04 | 0.03 | x | 1.86 | 0.44 | 0.17 | 18.56 | a | |||||||||||
2001 | 3.91 | 3.48 | 0.31 | 3.81 | 0.00 | 0.00 | 0.29 | 0.00 | 0.00 | 0.71 | 3.99 | 5.26 | 21.76 | |||||||||||||
2002 | 1.22 | r | 0.82 | 3.07 | 0.67 | 1.50 | 0.00 | m | 0.00 | 0.00 | 0.02 | 0.00 | 5.56 | 2.90 | 14.54 | b | ||||||||||
2003 | 0.42 | 2.53 | 1.99 | 3.37 | 1.49 | 0.00 | 0.79 | 0.72 | 0.52 | 0.00 | 1.48 | 4.75 | 18.06 | |||||||||||||
2004 | 2.07 | 4.86 | 0.82 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.22 | 0.96 | 3.28 | 15.40 | |||||||||||||
2005 | 6.52 | 1.32 | 4.47 | 3.15 | 3.10 | 0.00 | 0.00 | 0.23 | 0.36 | 0.44 | 1.01 | 3.86 | 24.46 | |||||||||||||
2006 | 3.56 | 1.51 | 6.76 | 4.41 | 0.18 | a | 0.07 | a | 0.05 | 0.00 | 0.00 | 0.55 | 0.24 | 3.75 | 21.08 | |||||||||||
2007 | 1.42 | 4.15 | 1.79 | 2.20 | 0.04 | 0.00 | 0.00 | 0.00 | 0.92 | 0.81 | 0.29 | 3.07 | b | 14.69 | ||||||||||||
2008 | 4.77 | 7.21 | 0.20 | 0.00 | 0.38 | 0.00 | 0.02 | 0.00 | 0.00 | 0.18 | 3.18 | 4.09 | 20.03 | |||||||||||||
2009 | 1.20 | 4.17 | 1.66 | 1.02 | 0.86 | a | 0.80 | 0.00 | 0.00 | 0.00 | 1.36 | a | 0.98 | 4.42 | 16.47 | |||||||||||
2010 | 3.61 | 5.18 | 1.57 | a | 3.98 | 0.43 | 0.03 | 0.00 | 0.00 | 0.00 | 1.04 | c | 1.79 | c | 13.77 | a | 31.40 | |||||||||
2011 | 1.69 | c | 2.13 | d | 4.93 | f | 0.37 | j | 2.05 | d | 0.21 | c | 0.00 | f | 0.09 | a | 0.10 | a | 1.93 | 1.17 | a | 0.05 | a | 9.42 | c | |
2012 | 2.57 | 1.33 | e | 2.10 | f | 4.23 | a | 0.07 | 0.00 | 0.00 | b | 0.00 | 0.00 | 0.86 | 1.17 | 5.00 | 15.23 | a | ||||||||
2013 | 1.76 | 1.53 | 0.39 | 0.60 | 0.22 | a | 0.00 | 0.01 | 0.71 | 0.15 | 0.62 | 1.16 | a | 1.12 | a | 8.27 | ||||||||||
2014 | 0.93 | 1.41 | 2.42 | 2.28 | 0.80 | a | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 1.11 | a | 3.63 | 12.71 | |||||||||||
2015 | 0.45 | 2.16 | 0.29 | 0.77 | 1.48 | 0.03 | 0.30 | 0.00 | c | 0.00 | 1.34 | 2.99 | a | 5.55 | 15.36 | |||||||||||
2016 | 6.11 | a | 1.00 | 3.10 | 2.71 | a | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.41 | a | 2.04 | 6.29 | 21.96 | ||||||||||
2017 | 12.64 | 5.20 | 1.33 | 0.95 | a | 0.09 | 0.02 | m | 0.00 | h | 0.00 | g | 0.79 | k | 0.00 | h | 0.80 | d | 0.18 | f | 21.01 | f | ||||
2018 | 1.16 | a | 0.71 | c | 6.68 | k | 1.53 | h | 0.05 | k | 0.00 | o | 0.00 | r | 0.00 | h | 0.00 | f | 0.01 | o | 3.25 | i | 1.59 | m | 1.87 | j |
2019 | 3.79 | q | 5.31 | d | 3.87 | i | 0.15 | e | 5.46 | c | 0.00 | g | 0.00 | h | 0.00 | f | 0.00 | c | 0.00 | c | 4.05 | d | 3.59 | a | 18.56 | e |
2020 | 0.68 | b | 0.34 | c | 3.81 | k | 3.34 | h | 0.98 | m | 0.03 | i | 0.00 | c | ----- | z | ----- | z | ----- | z | 0.56 | o | 1.29 | 2.31 | h | |
2021 | ----- | z | 0.92 | y | 0.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.68 | y | ----- | z | 3.58 | x | 0.00 | l |
2022 | ----- | z | 0.00 | u | 1.90 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | 0.50 | 0.60 | 0.45 | 1.55 | g | |||||
2024 | 3.68 | i | 3.89 | p | 3.57 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 3.59 | 3.12 | 2.96 | 1.88 | 0.83 | 0.14 | 0.05 | 0.13 | 0.36 | 0.75 | 2.01 | 3.08 | 19.01 | |||||||||||||
S.D. | 2.80 | 2.50 | 2.35 | 1.45 | 1.14 | 0.28 | 0.13 | 0.34 | 0.88 | 0.83 | 1.58 | 2.51 | 6.91 | |||||||||||||
SKEW | 1.09 | 1.26 | 0.91 | 0.71 | 2.24 | 2.77 | 3.56 | 3.24 | 5.26 | 1.18 | 0.98 | 1.39 | 1.15 | |||||||||||||
MAX | 12.64 | 12.28 | 9.89 | 6.47 | 5.46 | 1.50 | 0.79 | 1.91 | 6.39 | 3.22 | 7.36 | 13.77 | 39.89 | |||||||||||||
MIN | 0.04 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.26 | |||||||||||||
YRS | 67 | 69 | 62 | 65 | 65 | 63 | 66 | 65 | 65 | 68 | 68 | 68 | 52 |