YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.77 | 4.83 | g | 0.65 | 0.38 | m | 0.01 | 0.91 | 5.34 | h | ||||
1949 | 2.35 | 0.98 | 0.00 | 0.03 | 0.00 | 0.92 | 4.85 | 0.65 | 2.03 | 0.55 | 0.03 | 0.66 | 13.05 | |||||||||||||
1950 | 0.37 | 0.48 | 0.12 | 0.00 | 0.00 | 0.50 | 10.08 | 1.09 | 0.71 | 0.14 | 0.00 | 0.05 | 13.54 | |||||||||||||
1951 | 0.70 | 0.02 | 0.27 | 0.86 | 0.29 | 0.00 | 1.57 | 3.82 | 0.05 | ----- | z | ----- | z | ----- | z | 7.58 | c | |||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | 0.10 | k | |
1965 | 1.05 | 0.45 | 0.39 | 0.03 | 0.13 | 0.62 | 4.68 | 2.18 | 1.08 | 0.02 | 0.00 | 3.09 | 13.72 | |||||||||||||
1966 | 0.80 | 0.50 | 0.00 | 0.25 | 0.00 | 0.25 | 6.34 | 4.65 | 3.29 | 0.01 | 0.25 | 0.06 | 16.40 | |||||||||||||
1967 | 0.00 | 0.10 | 0.00 | 0.26 | 0.49 | 0.94 | 4.08 | 5.80 | 1.59 | 0.03 | 1.16 | 4.29 | 18.74 | |||||||||||||
1968 | 0.44 | 1.13 | 1.20 | 0.27 | 0.00 | 0.00 | 3.93 | 3.39 | 0.92 | 0.03 | 1.16 | 0.59 | 13.06 | |||||||||||||
1969 | 0.62 | 0.43 | 0.07 | 0.12 | 0.43 | 0.03 | 4.50 | 4.23 | 1.44 | 0.04 | 0.17 | 0.92 | 13.00 | |||||||||||||
1970 | 0.11 | 0.45 | 0.94 | 0.22 | 0.02 | 0.08 | 1.83 | 4.54 | 0.86 | 1.00 | 0.00 | 0.36 | 10.41 | |||||||||||||
1971 | 0.00 | 0.70 | 0.00 | 0.17 | 0.02 | 0.24 | 4.42 | 5.59 | 1.89 | 1.66 | 0.47 | 2.14 | 17.30 | |||||||||||||
1972 | 0.05 | 0.00 | 0.00 | 0.00 | 0.26 | 2.22 | 3.42 | 5.11 | 1.31 | 3.68 | 0.60 | 0.23 | 16.88 | |||||||||||||
1973 | 0.61 | 1.71 | 1.69 | 0.00 | 0.98 | 0.35 | 5.11 | 0.75 | 0.26 | 0.05 | 0.08 | 0.00 | 11.59 | |||||||||||||
1974 | 1.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 5.83 | 2.43 | 1.72 | 2.21 | 0.69 | 0.03 | 14.58 | |||||||||||||
1975 | 0.75 | 0.30 | 0.87 | 0.32 | 0.00 | 0.02 | 4.08 | 0.73 | 3.50 | 0.53 | 0.68 | 0.52 | 12.30 | |||||||||||||
1976 | 0.35 | 1.19 | 0.07 | 0.20 | 0.74 | 0.35 | 2.06 | 0.67 | 2.70 | 0.73 | 0.85 | 0.35 | 10.26 | |||||||||||||
1977 | 1.96 | 0.02 | 0.24 | 0.06 | 0.01 | 1.21 | 3.87 | 2.84 | 3.96 | 5.39 | 0.45 | 0.85 | 20.86 | |||||||||||||
1978 | 1.03 | 1.91 | 1.18 | 0.03 | 0.54 | 0.86 | 2.46 | 3.43 | 0.28 | 1.41 | 1.37 | 1.53 | 16.03 | |||||||||||||
1979 | 1.68 | 0.34 | 0.60 | 0.00 | 0.32 | 0.41 | 2.48 | 4.48 | 0.03 | 0.00 | 0.30 | 0.92 | 11.56 | |||||||||||||
1980 | 0.72 | 1.88 | 0.30 | 0.71 | 0.04 | 0.45 | 2.18 | 1.72 | 1.85 | 0.04 | 0.31 | 0.22 | 10.42 | |||||||||||||
1981 | 2.02 | 0.36 | b | 1.01 | 0.42 | 0.34 | 2.32 | 2.60 | 0.53 | 0.72 | 0.43 | 1.57 | 0.03 | 12.35 | ||||||||||||
1982 | 0.69 | a | 0.09 | b | ----- | z | ----- | z | 0.65 | 0.33 | a | 3.27 | a | 1.97 | 0.89 | 0.00 | 1.07 | 3.42 | 12.38 | b | ||||||
1983 | 1.09 | a | 0.54 | a | 1.62 | 0.19 | 0.00 | 0.08 | 4.74 | 2.11 | 2.83 | 2.79 | 2.52 | 0.71 | 19.22 | |||||||||||
1984 | 0.94 | 0.00 | 0.00 | 0.21 | 0.09 | 0.76 | 5.52 | 7.25 | 0.87 | 2.94 | 0.45 | 3.06 | 22.09 | |||||||||||||
1985 | 1.59 | 1.14 | 0.37 | 1.86 | 0.02 | 0.28 | 2.84 | 2.12 | 3.21 | 1.70 | c | 1.00 | 0.58 | 16.71 | ||||||||||||
1986 | 0.10 | 0.64 | 0.36 | 0.08 | 0.14 | 1.30 | 4.69 | 5.43 | 0.94 | 1.31 | 1.60 | 2.93 | 19.52 | |||||||||||||
1987 | 0.21 | 1.05 | 0.36 | 0.27 | 0.54 | 1.01 | 2.24 | 5.02 | 1.32 | 0.49 | 0.10 | 1.69 | a | 14.30 | ||||||||||||
1988 | 0.22 | 0.06 | 0.37 | 1.89 | 0.07 | 0.01 | 3.15 | 8.24 | 2.88 | 2.85 | 0.12 | 0.58 | 20.44 | |||||||||||||
1989 | 0.96 | 0.31 | 1.00 | 0.17 | 0.29 | 0.00 | 3.26 | 3.27 | 0.11 | 0.97 | 0.00 | 0.26 | a | 10.60 | ||||||||||||
1990 | 0.51 | 0.46 | 0.16 | 0.34 | 0.23 | 0.22 | 6.97 | 1.98 | 2.42 | 0.73 | 1.62 | a | 1.03 | 16.67 | ||||||||||||
1991 | 1.70 | 1.77 | 0.49 | 0.00 | 0.28 | 0.71 | 1.05 | 5.68 | 3.82 | 0.12 | 0.39 | 3.56 | 19.57 | |||||||||||||
1992 | 1.27 | 0.48 | 1.74 | 0.10 | 1.92 | 0.20 | 4.35 | 2.58 | 0.16 | 0.52 | 0.00 | 1.58 | 14.90 | |||||||||||||
1993 | 2.60 | 0.68 | 0.13 | 0.00 | 1.96 | 0.28 | 4.34 | 2.68 | 0.42 | 0.34 | 0.95 | 0.16 | a | 14.54 | ||||||||||||
1994 | 0.09 | 0.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.74 | j | ||
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.19 | k | 0.50 | a | 0.37 | 0.50 | 1.37 | i | ||
2002 | 0.34 | 1.31 | 0.00 | 0.00 | 0.00 | 0.00 | 3.24 | 3.08 | 3.25 | 0.20 | 0.30 | 1.24 | 12.96 | |||||||||||||
2003 | 0.01 | 1.18 | 0.69 | 0.00 | 0.06 | 0.03 | 1.81 | 2.67 | 1.51 | 0.81 | 0.00 | b | 0.07 | 8.84 | ||||||||||||
2004 | 0.72 | 0.52 | 0.92 | 0.89 | 0.03 | 0.00 | 1.11 | b | 1.81 | b | 1.78 | c | 0.68 | a | 0.49 | b | 0.41 | a | 9.36 | |||||||
2005 | 2.24 | a | 2.28 | 0.14 | b | 0.20 | 0.26 | 0.00 | 0.75 | 3.73 | c | 0.43 | a | 0.16 | 0.00 | 0.00 | 10.19 | |||||||||
2006 | 0.15 | 0.07 | 0.00 | 0.00 | 0.06 | 0.00 | 3.54 | b | 4.45 | d | 1.32 | 1.23 | 0.00 | l | 0.14 | a | 10.96 | a | ||||||||
2007 | 1.27 | c | 0.00 | 1.01 | a | 0.05 | d | 0.00 | e | 0.62 | 3.89 | 5.21 | 0.30 | h | 0.26 | e | 0.39 | i | 0.57 | 12.88 | b | |||||
2008 | 0.01 | b | 0.14 | c | 0.00 | c | 0.00 | 0.00 | a | 0.00 | c | 1.43 | b | 1.40 | c | 0.29 | b | 0.00 | 0.00 | 0.00 | a | 3.27 | ||||
2009 | 0.00 | b | 0.00 | 0.00 | e | 0.00 | a | 0.19 | d | 0.00 | j | 1.30 | c | 2.35 | g | 0.30 | j | 0.07 | e | 0.00 | ----- | z | 1.56 | d | ||
2010 | 0.49 | g | 0.00 | i | 0.10 | o | 0.06 | 0.00 | 0.00 | 1.82 | i | 1.60 | e | 0.00 | a | 0.90 | 0.00 | 0.00 | k | 2.56 | e | |||||
2011 | 0.00 | 0.00 | i | 0.00 | c | 0.00 | d | 0.00 | 0.00 | 0.88 | g | 0.45 | d | 0.00 | i | 0.00 | c | 0.60 | i | 0.74 | o | 0.45 | e | |||
2012 | 0.00 | b | 0.00 | a | 0.00 | c | 0.00 | 0.92 | 0.25 | g | 0.94 | d | 0.22 | a | 0.63 | j | 0.00 | 0.12 | c | 1.21 | c | 3.41 | b | |||
2013 | 0.68 | g | 1.00 | g | 0.15 | 0.00 | 0.00 | 0.00 | a | 7.67 | d | 2.77 | d | 1.09 | b | 0.00 | i | 0.85 | i | 0.16 | j | 11.68 | e | |||
2014 | 0.00 | h | 0.00 | f | 0.40 | i | 0.05 | i | 0.00 | i | 0.05 | f | 3.40 | i | 4.60 | f | 5.19 | i | 0.34 | j | 0.57 | b | 1.41 | a | 1.98 | j |
2015 | 2.07 | b | 0.31 | a | 1.62 | 0.50 | b | 0.00 | e | 1.15 | b | 3.57 | c | 2.63 | 1.75 | e | 1.51 | d | 0.15 | b | 0.40 | e | 15.66 | |||
2016 | 1.90 | h | 0.80 | e | 0.85 | h | 0.05 | d | 0.00 | e | 1.07 | d | 2.85 | g | 3.90 | e | 1.07 | g | 0.50 | o | 0.30 | i | 2.76 | k | 5.82 | g |
2017 | 0.93 | h | 0.16 | l | 0.00 | l | 0.10 | o | 0.00 | v | 0.00 | q | 4.20 | 0.73 | 0.22 | 0.00 | a | 0.25 | j | 0.78 | h | 5.15 | h | |||
2018 | 0.00 | j | 1.22 | b | 0.15 | d | 0.00 | d | 0.00 | l | 1.53 | k | 0.99 | h | 2.30 | j | 0.72 | i | 3.63 | f | 0.00 | l | 0.79 | m | 1.37 | i |
2019 | 1.71 | k | 0.63 | h | 1.71 | h | 0.30 | i | 0.16 | n | 0.00 | p | 2.40 | e | 1.93 | f | 3.93 | f | 0.00 | e | 10.61 | e | 3.49 | f | 13.01 | i |
2020 | 0.54 | f | 0.75 | c | 3.37 | h | 0.02 | f | 0.30 | c | 0.89 | h | 0.92 | h | 0.19 | n | ----- | z | ----- | z | ----- | z | ----- | z | 1.05 | j |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.15 | y | 4.12 | m | 1.35 | l | 0.30 | r | 0.05 | x | ----- | z | 0.00 | l |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.81 | 0.64 | 0.46 | 0.24 | 0.26 | 0.46 | 3.62 | 3.08 | 1.45 | 0.85 | 0.74 | 0.99 | 14.30 | |||||||||||||
S.D. | 0.74 | 0.60 | 0.53 | 0.42 | 0.43 | 0.56 | 1.87 | 1.90 | 1.14 | 1.14 | 1.63 | 1.11 | 4.00 | |||||||||||||
SKEW | 0.77 | 0.98 | 1.08 | 2.89 | 2.61 | 1.66 | 0.99 | 0.54 | 0.65 | 2.02 | 5.25 | 1.46 | -0.19 | |||||||||||||
MAX | 2.60 | 2.28 | 1.74 | 1.89 | 1.96 | 2.32 | 10.08 | 8.24 | 3.96 | 5.39 | 10.61 | 4.29 | 22.09 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 3.27 | |||||||||||||
YRS | 44 | 46 | 44 | 46 | 48 | 44 | 46 | 46 | 43 | 46 | 44 | 44 | 36 |