YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | |||||||||||||
1937 | 0.00 | 0.60 | 0.72 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.32 | h | ||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 1.47 | 1.49 | 0.00 | 0.00 | 0.82 | 3.78 | f | ||||||
1943 | 0.21 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.21 | j | ||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 0.19 | 0.03 | 0.07 | 1.07 | 0.38 | 2.07 | 0.95 | 0.49 | 1.13 | 6.38 | c | |||||||||
1963 | 0.04 | 0.12 | 0.31 | 0.26 | 0.03 | 0.19 | 0.46 | 1.95 | 1.14 | 0.47 | 0.66 | 0.00 | 5.63 | |||||||||||||
1964 | 0.08 | 0.47 | 0.07 | 0.23 | 0.30 | 0.22 | 1.28 | 0.83 | 0.33 | 0.09 | 0.06 | 0.26 | 4.22 | |||||||||||||
1965 | 0.06 | 0.21 | 0.22 | 0.51 | 0.00 | 0.70 | 1.48 | 1.36 | 1.56 | 0.69 | 0.00 | 1.03 | 7.82 | |||||||||||||
1966 | 0.30 | 0.34 | 0.00 | 0.00 | 0.00 | 1.24 | 1.17 | 1.56 | 1.18 | 0.35 | 0.00 | 0.06 | 6.20 | |||||||||||||
1967 | 0.02 | 0.26 | 0.05 | 0.00 | 0.06 | 1.57 | 1.09 | 1.02 | 0.77 | 0.24 | 0.16 | 0.21 | 5.45 | |||||||||||||
1968 | 0.45 | 0.56 | 0.69 | 0.22 | 0.28 | 0.00 | 1.03 | 1.65 | 0.01 | 0.60 | 0.40 | 0.26 | 6.15 | |||||||||||||
1969 | 0.06 | 0.28 | 0.16 | 0.55 | 0.71 | 0.00 | 0.55 | 1.22 | 0.72 | 2.01 | 0.13 | 0.71 | 7.10 | |||||||||||||
1970 | 0.06 | 0.26 | 0.40 | 0.05 | 0.06 | 0.00 | 2.23 | 1.59 | 0.35 | a | 0.94 | 0.07 | 0.05 | 6.06 | ||||||||||||
1971 | 0.01 | 0.38 | 0.18 | 0.24 | 0.20 | 0.00 | 1.17 | 2.00 | 2.41 | a | 1.40 | 0.43 | 0.62 | 9.04 | ||||||||||||
1972 | 0.01 | 0.08 | 0.11 | 0.00 | 0.22 | 0.73 | 0.59 | 2.30 | 2.11 | 4.00 | 0.13 | 0.02 | 10.30 | |||||||||||||
1973 | 0.26 | 0.51 | 0.85 | 0.16 | 1.37 | 0.15 | 2.16 | 1.46 | 0.71 | 0.25 | 0.01 | 0.00 | 7.89 | |||||||||||||
1974 | 0.31 | 0.31 | 0.00 | 0.02 | 0.38 | 0.01 | 1.67 | 5.53 | 1.93 | b | 3.16 | a | 0.15 | 0.45 | 13.92 | |||||||||||
1975 | 0.35 | 0.18 | 0.09 | 0.02 | 0.29 | 0.01 | 1.46 | 1.29 | 3.37 | 0.00 | 0.41 | 0.23 | 7.70 | |||||||||||||
1976 | 0.00 | 0.47 | 0.00 | 0.43 | 1.59 | 0.28 | 1.56 | 1.63 | 1.32 | 0.16 | 0.00 | a | 0.00 | 7.44 | ||||||||||||
1977 | 0.03 | 0.16 | 0.62 | 1.02 | 0.05 | 0.05 | 3.01 | 1.49 | 0.90 | 1.37 | 0.28 | 0.16 | 9.14 | |||||||||||||
1978 | 0.77 | 0.72 | 0.35 | 0.00 | 1.27 | 0.35 | 0.24 | 0.83 | 1.27 | 1.18 | a | 0.75 | 0.61 | 8.34 | ||||||||||||
1979 | 0.25 | 0.25 | 0.01 | 0.30 | 0.85 | 1.99 | 0.43 | 1.76 | 1.15 | 0.47 | 0.85 | 0.52 | 8.83 | |||||||||||||
1980 | 0.19 | 0.44 | 0.15 | 0.35 | 0.28 | 0.06 | 0.39 | 4.09 | 2.21 | 0.03 | 0.16 | 0.32 | 8.67 | |||||||||||||
1981 | 0.15 | 0.21 | 0.36 | 0.29 | 0.33 | 0.10 | j | 0.41 | 1.71 | 1.47 | 0.61 | 0.24 | 0.00 | 5.78 | a | |||||||||||
1982 | 0.41 | 0.24 | 0.43 | 0.00 | 0.33 | 0.00 | 0.51 | 1.98 | 0.88 | 0.00 | 0.84 | 1.12 | 6.74 | |||||||||||||
1983 | 2.28 | 0.46 | 0.25 | 0.09 | 0.12 | 0.43 | 0.55 | 0.40 | 1.33 | 1.14 | 0.52 | 0.40 | 7.97 | |||||||||||||
1984 | 0.08 | 0.00 | 0.18 | 0.20 | 0.03 | 0.64 | 2.43 | 3.17 | 0.86 | 2.09 | 0.63 | 2.12 | a | 12.43 | ||||||||||||
1985 | 0.78 | 0.28 | 0.47 | 1.30 | 0.23 | 0.19 | 0.57 | 0.72 | 1.22 | 2.97 | 0.40 | 0.06 | 9.19 | |||||||||||||
1986 | 0.33 | 0.40 | 0.00 | 0.14 | 1.07 | a | 2.21 | 1.96 | 1.05 | 0.77 | 1.87 | 1.48 | 0.59 | 11.87 | ||||||||||||
1987 | 0.82 | 0.45 | 0.35 | 0.55 | 0.89 | 1.06 | 0.05 | 2.69 | 0.00 | 0.08 | 0.46 | 0.42 | 7.82 | |||||||||||||
1988 | 0.13 | 0.40 | 0.00 | 1.02 | 0.13 | 0.52 | 1.60 | 3.41 | 2.79 | 0.04 | 0.07 | 0.33 | 10.44 | |||||||||||||
1989 | 0.55 | 0.07 | 0.47 | 0.00 | 0.11 | 0.00 | 2.15 | 0.48 | 0.30 | 1.47 | 0.00 | 0.18 | 5.78 | |||||||||||||
1990 | 0.05 | 0.11 | 0.36 | 1.83 | 0.38 | 0.08 | 1.08 | 1.28 | 1.94 | 0.29 | 0.80 | 0.74 | 8.94 | |||||||||||||
1991 | 0.24 | 0.01 | 0.08 | 0.00 | 0.76 | 0.29 | 2.07 | 1.71 | 1.26 | 0.26 | 0.92 | 2.67 | 10.27 | |||||||||||||
1992 | 0.39 | 0.38 | 0.18 | 0.53 | 2.41 | 0.00 | 1.89 | 1.55 | 2.23 | 0.71 | 0.20 | 0.05 | 10.52 | |||||||||||||
1993 | 0.09 | 0.51 | 0.49 | 0.00 | 1.07 | 0.95 | 1.63 | 2.28 | 0.36 | 0.64 | 0.15 | 0.00 | 8.17 | |||||||||||||
1994 | 0.00 | 0.00 | 0.43 | 0.00 | 0.83 | 0.21 | 1.87 | 1.49 | 1.70 | 1.18 | 1.26 | 0.74 | 9.71 | |||||||||||||
1995 | 0.18 | 0.37 | 0.31 | 0.22 | 0.19 | 0.39 | 0.21 | 0.40 | 0.75 | 0.06 | 0.16 | 0.15 | 3.39 | |||||||||||||
1996 | 0.25 | 0.11 | 0.01 | 0.00 | 0.00 | 2.75 | 1.12 | 0.53 | 1.09 | 1.62 | 0.07 | 0.00 | 7.55 | |||||||||||||
1997 | 0.15 | 0.25 | 0.00 | 1.09 | 0.70 | 1.56 | 2.63 | 1.44 | 3.45 | 0.31 | 0.00 | 0.94 | a | 12.52 | ||||||||||||
1998 | 0.10 | 0.61 | 1.28 | 0.00 | 0.00 | 0.20 | 3.36 | 0.30 | 0.16 | 0.82 | 0.05 | 0.26 | 7.14 | |||||||||||||
1999 | 0.02 | 0.00 | 0.74 | 0.08 | 0.92 | 0.34 | 2.13 | 3.14 | 0.96 | 0.30 | 0.00 | 0.26 | 8.89 | |||||||||||||
2000 | 0.00 | 0.13 | 2.43 | 0.00 | 0.00 | 0.14 | 2.34 | 0.73 | 0.00 | 2.33 | 1.18 | 1.29 | 10.57 | |||||||||||||
2001 | 0.57 | a | 0.22 | 0.77 | 0.17 | 0.21 | 0.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.44 | f | |||||
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.44 | a | 0.12 | 0.59 | 0.48 | b | 3.63 | h | ||
2003 | 0.00 | 0.36 | a | 0.17 | 0.00 | d | 0.00 | 0.05 | 0.31 | 0.51 | 0.69 | 1.69 | 0.41 | c | 0.00 | c | 4.19 | |||||||||
2004 | 0.07 | g | 0.46 | b | 1.25 | 2.12 | a | 0.00 | 0.75 | 0.65 | d | 2.65 | c | 1.85 | a | 0.85 | 1.00 | a | 0.65 | 12.23 | a | |||||
2005 | 4.59 | b | 1.62 | 1.15 | d | 0.27 | 0.60 | b | 0.70 | 0.40 | 0.67 | g | 0.74 | 0.98 | 0.00 | 0.00 | 11.05 | a | ||||||||
2006 | 0.00 | 0.00 | 0.10 | 0.03 | 0.00 | 1.17 | 1.15 | 2.44 | b | 1.62 | 1.63 | c | 0.03 | a | 0.68 | b | 8.85 | |||||||||
2007 | 0.60 | 0.60 | 0.92 | 0.83 | 1.63 | 0.50 | 1.29 | a | 0.76 | 1.46 | 0.11 | 0.40 | d | 1.10 | 10.20 | |||||||||||
2008 | 0.52 | ----- | z | 0.00 | 0.00 | 1.00 | 0.00 | 2.33 | 2.30 | d | 0.20 | 1.38 | 0.16 | 0.13 | 8.02 | a | ||||||||||
2009 | 0.00 | 0.00 | 0.00 | 0.12 | a | 0.70 | ----- | z | 1.26 | h | ----- | z | ----- | z | ----- | z | 0.40 | ----- | z | 1.22 | f | |||||
2010 | 0.78 | 0.53 | 0.68 | 0.75 | a | 0.00 | 0.78 | 3.39 | g | 1.25 | b | ----- | z | ----- | z | ----- | z | ----- | z | 4.77 | e | |||||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.01 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.54 | 1.52 | a | 3.68 | d | 0.00 | g | 0.58 | e | 0.43 | c | 9.75 | g | |
2014 | 0.00 | i | 0.10 | r | 0.00 | x | 0.00 | u | 0.36 | j | 0.15 | k | 1.49 | e | 1.01 | i | 1.27 | 0.55 | 0.03 | j | 0.27 | d | 3.58 | h | ||
2015 | 0.99 | j | 0.00 | l | 0.70 | k | 0.00 | w | 1.16 | t | 0.21 | s | ----- | z | ----- | z | 0.49 | 0.85 | w | ----- | z | ----- | z | 0.49 | k | |
2016 | ----- | z | ----- | z | ----- | z | 0.00 | v | 0.55 | h | 0.52 | g | 0.35 | i | 1.12 | h | 1.71 | 0.00 | 1.96 | ----- | z | 3.67 | i | |||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.88 | u | 2.14 | s | 0.43 | k | 1.97 | g | 1.87 | e | 0.00 | l | 0.38 | 2.25 | j | |
2019 | 0.53 | u | ----- | z | 0.61 | c | 0.73 | m | 0.35 | d | 0.93 | 0.31 | c | 0.55 | 2.31 | c | 0.25 | 1.45 | h | 0.71 | c | 6.02 | d | |||
2020 | 0.03 | h | 0.47 | i | 0.72 | g | 0.28 | a | 0.02 | b | 0.63 | e | 2.10 | g | 0.16 | e | 0.38 | b | 0.00 | c | 0.35 | j | 0.80 | m | 1.47 | f |
2021 | 0.21 | 0.00 | 1.55 | 0.45 | i | 0.76 | 0.24 | a | 4.34 | j | 0.50 | 1.04 | 0.00 | 0.00 | h | 0.00 | 4.30 | c | ||||||||
2022 | 0.40 | n | ----- | z | ----- | z | ----- | z | 0.00 | f | 2.27 | 0.28 | v | 1.72 | m | 2.09 | j | 2.80 | h | 0.00 | j | 1.21 | q | 2.27 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.37 | 0.31 | 0.41 | 0.32 | 0.46 | 0.55 | 1.30 | 1.54 | 1.28 | 0.86 | 0.39 | 0.46 | 8.14 | |||||||||||||
S.D. | 0.72 | 0.27 | 0.48 | 0.47 | 0.53 | 0.66 | 0.89 | 1.06 | 0.89 | 0.90 | 0.43 | 0.53 | 2.59 | |||||||||||||
SKEW | 4.56 | 2.14 | 1.99 | 2.13 | 1.50 | 1.61 | 0.52 | 1.37 | 0.73 | 1.37 | 1.50 | 2.06 | -0.33 | |||||||||||||
MAX | 4.59 | 1.62 | 2.43 | 2.12 | 2.41 | 2.75 | 3.54 | 5.53 | 3.68 | 4.00 | 1.96 | 2.67 | 13.92 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | |||||||||||||
YRS | 50 | 50 | 51 | 51 | 52 | 51 | 50 | 51 | 55 | 54 | 51 | 53 | 41 |