YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.73 | ----- | z | |
1943 | 0.35 | 0.27 | 0.78 | 0.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1944 | ----- | z | ----- | z | 0.16 | 0.23 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 0.28 | a | 0.21 | ----- | z | |||||||||
1945 | 0.40 | 0.72 | 0.26 | 0.09 | 1.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.19 | 0.25 | 0.28 | 1.00 | |||||||||||||
1946 | 0.17 | 0.81 | 0.43 | 0.02 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 1.25 | 1.25 | |||||||||||||
1947 | 0.25 | 0.36 | 0.46 | 0.12 | 0.25 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1948 | ----- | z | ----- | z | ----- | z | 0.50 | 0.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | ----- | z | |||
1949 | 0.19 | 0.23 | 0.64 | 0.07 | 0.42 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.14 | 0.65 | 0.65 | |||||||||||||
1950 | 0.19 | 0.42 | 0.70 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 0.17 | 0.10 | 0.47 | 0.70 | |||||||||||||
1951 | 0.36 | 0.13 | 0.07 | 0.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.37 | 0.49 | 0.49 | |||||||||||||
1952 | 0.58 | 0.11 | 0.95 | 0.72 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.34 | 0.68 | 0.49 | 0.95 | |||||||||||||
1953 | 0.19 | 0.00 | 0.10 | 0.76 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 1.25 | 0.12 | 1.25 | |||||||||||||
1954 | 0.75 | 0.16 | 0.58 | 0.31 | 0.28 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.59 | c | ----- | z | ||||||||||
1955 | 0.75 | 0.76 | 0.00 | 0.65 | 0.96 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 1.45 | 1.45 | |||||||||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.53 | 0.00 | 0.11 | ----- | z | ||||||||
1957 | 0.63 | 0.42 | 0.00 | 0.69 | 0.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | v | 0.46 | ----- | z | ||||||
1958 | 0.87 | 0.77 | 0.58 | 0.42 | 0.40 | 0.00 | 0.00 | 0.00 | 0.46 | 0.00 | 0.05 | 0.19 | 0.87 | |||||||||||||
1959 | 0.45 | ----- | z | 0.04 | 0.03 | 0.01 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.12 | ----- | z | |||||||||||
1960 | 0.52 | 0.33 | 0.32 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.87 | 0.23 | 0.87 | |||||||||||||
1961 | 0.91 | 0.23 | 0.07 | 0.17 | 0.26 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.70 | 0.95 | 0.95 | |||||||||||||
1962 | 0.45 | 0.92 | 0.35 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 1.20 | 1.20 | |||||||||||||
1963 | 0.36 | 0.98 | 0.30 | 0.38 | 0.32 | 0.00 | 0.00 | 0.00 | 0.07 | ----- | z | 0.90 | 0.09 | ----- | z | |||||||||||
1964 | 0.62 | ----- | z | ----- | z | 0.00 | b | 0.03 | 0.00 | ----- | z | 0.15 | b | 0.00 | 0.76 | ----- | z | 0.24 | ----- | z | ||||||
1965 | 0.15 | 0.17 | 0.46 | 0.51 | 0.00 | ----- | z | 0.02 | ----- | z | ----- | z | ----- | z | 0.74 | 0.64 | ----- | z | ||||||||
1966 | 0.46 | ----- | z | 0.01 | 0.00 | 0.17 | 0.04 | 0.28 | 0.00 | 0.05 | 0.00 | 0.19 | 0.65 | ----- | z | |||||||||||
1967 | 0.56 | 0.10 | 0.32 | 0.28 | 0.12 | 0.02 | 0.00 | 0.00 | 0.11 | 0.00 | 1.02 | ----- | z | ----- | z | |||||||||||
1968 | 0.26 | 0.20 | 0.43 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.78 | 0.49 | 0.35 | 0.78 | |||||||||||||
1969 | 1.30 | a | 1.57 | 0.60 | 0.30 | 0.00 | 0.86 | 0.02 | 0.00 | 0.00 | 0.04 | 0.36 | 0.09 | 1.57 | a | |||||||||||
1970 | 0.74 | 0.56 | 0.94 | a | 0.02 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 0.75 | 0.94 | a | |||||||||||
1971 | 0.15 | 0.06 | 0.09 | 0.43 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.20 | 0.66 | 0.66 | |||||||||||||
1972 | 0.09 | 0.00 | 0.00 | 0.01 | 0.05 | 0.00 | 0.02 | 0.00 | 0.20 | 0.45 | 0.64 | 0.26 | 0.64 | |||||||||||||
1973 | 0.54 | 1.32 | 0.31 | a | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.53 | 0.15 | a | 0.23 | 1.32 | b | ||||||||||
1974 | 1.37 | a | 0.02 | 0.52 | 0.06 | 0.00 | 0.00 | 0.11 | 0.00 | 0.00 | 0.32 | 0.20 | 0.69 | 1.37 | a | |||||||||||
1975 | 0.15 | 0.27 | a | 0.33 | 0.13 | 0.00 | 0.00 | 0.00 | 0.22 | 0.05 | 0.47 | 0.06 | 0.12 | 0.47 | a | |||||||||||
1976 | 0.00 | 1.17 | a | 0.30 | 0.53 | 0.00 | 0.03 | 0.00 | 0.15 | 1.54 | 0.10 | 0.49 | 0.35 | 1.54 | a | |||||||||||
1977 | 0.31 | 0.07 | 0.20 | 0.01 | 0.49 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.97 | e | 0.97 | e | |||||||||||
1978 | 0.92 | a | 1.28 | ----- | z | 0.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.95 | 0.00 | 0.94 | 0.37 | ----- | z | ||||||||||
1979 | 0.77 | 0.54 | 0.33 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.05 | 0.06 | 0.48 | 0.28 | 0.77 | |||||||||||||
1980 | 0.87 | a | 1.72 | a | 0.58 | 0.09 | 0.18 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.10 | 0.13 | 1.72 | b | ||||||||||
1981 | 0.39 | a | 0.32 | b | 0.85 | 1.16 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.53 | a | 0.24 | a | 1.16 | e | ||||||||
1982 | 0.33 | a | 0.22 | 0.47 | a | 0.91 | a | 0.00 | 2.50 | 0.00 | a | 0.00 | a | 0.40 | 0.60 | 0.83 | a | 0.78 | 2.50 | f | ||||||
1983 | 0.80 | 0.45 | 1.28 | 0.32 | 0.09 | 0.00 | 0.00 | 0.17 | 0.86 | 0.00 | 0.18 | a | 0.87 | b | 1.28 | c | ||||||||||
1984 | 0.11 | 0.26 | 0.06 | a | 0.10 | 0.00 | 0.05 | 0.00 | 0.00 | a | 0.00 | 0.40 | 0.46 | 0.48 | 0.48 | b | ||||||||||
1985 | 0.25 | a | 0.00 | 0.35 | 0.00 | 0.00 | 0.05 | ----- | z | 0.00 | 0.00 | 0.50 | 0.85 | 0.32 | ----- | z | ||||||||||
1986 | 0.42 | 0.52 | 0.93 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | d | 0.00 | 0.00 | a | 0.00 | 0.25 | x | ----- | z | |||||||||
1987 | 0.96 | 0.25 | 1.39 | 0.00 | a | ----- | z | 0.00 | 0.00 | 0.00 | a | 0.00 | e | 0.15 | b | 0.25 | 0.50 | ----- | z | |||||||
1988 | 0.79 | b | 0.00 | 0.11 | ----- | z | 0.00 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.97 | d | ----- | z | |||||||||
1989 | 0.23 | 0.60 | 0.20 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.67 | 0.05 | 0.44 | 0.00 | 0.67 | |||||||||||||
1990 | 0.84 | 0.42 | 0.14 | 0.16 | 0.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.84 | |||||||||||||
1991 | 0.17 | 0.95 | 1.57 | 0.00 | a | 0.00 | e | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.76 | j | 1.57 | p | |||||||||
1992 | ----- | z | 0.75 | e | 0.49 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.82 | 0.00 | 0.78 | m | ----- | z | ||||||||
1993 | 1.27 | 0.60 | 1.11 | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 0.40 | q | ----- | z | |||||||
1994 | 0.91 | a | 0.65 | b | 0.16 | s | 0.36 | 0.82 | 0.00 | 0.00 | 0.00 | a | 0.35 | f | 0.35 | ----- | z | 0.34 | ----- | z | ||||||
1995 | 1.27 | a | 0.50 | m | 1.90 | q | 0.26 | 0.60 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | ----- | z | |||||||||
1996 | 1.35 | r | 0.58 | u | 0.35 | 0.18 | ----- | z | 0.16 | b | 0.00 | 0.00 | 0.00 | 1.70 | 0.32 | 0.87 | ----- | z | ||||||||
1997 | 0.80 | w | 0.44 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | a | 0.10 | 0.60 | 0.57 | 1.01 | x | ||||||||||
1998 | 0.31 | c | 0.60 | 0.69 | a | 0.91 | 0.98 | 0.45 | 0.00 | 0.00 | 0.53 | 0.36 | 0.70 | k | 0.00 | 0.98 | o | |||||||||
1999 | 0.35 | u | 0.10 | g | 0.38 | d | 0.41 | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
2000 | 0.53 | a | 0.52 | b | 0.50 | a | 0.59 | 0.00 | 0.22 | f | 0.00 | ----- | z | ----- | z | 0.59 | 0.00 | 0.00 | ----- | z | ||||||
2001 | 1.40 | e | 0.55 | a | 1.78 | a | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | e | ----- | z | 0.39 | y | ----- | z | ||||||
2002 | ----- | z | 0.18 | b | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | b | 1.23 | y | ----- | z | ||||||||
2003 | 0.35 | a | 0.57 | 0.75 | 0.27 | 0.49 | 0.00 | 0.00 | 0.06 | 0.00 | 0.04 | 0.12 | 0.68 | 0.75 | a | |||||||||||
2004 | 0.60 | 0.76 | a | 0.00 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.93 | 0.23 | 1.00 | 1.00 | c | ||||||||||
2005 | 0.35 | 0.60 | 0.49 | ----- | z | 0.28 | 0.00 | ----- | z | 0.00 | 0.16 | ----- | z | ----- | z | 0.26 | ----- | z | ||||||||
2006 | 2.47 | ----- | z | 0.58 | a | 0.17 | 1.10 | 0.00 | 0.00 | b | 0.00 | 0.00 | 0.32 | 0.08 | 0.14 | ----- | z | |||||||||
2007 | 0.26 | 0.25 | 0.19 | 0.39 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.42 | 0.20 | 0.03 | 0.65 | 0.65 | a | |||||||||||
2008 | 1.27 | 0.19 | 0.00 | 0.00 | 0.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.30 | 0.42 | a | 1.27 | a | |||||||||||
2009 | 0.21 | 0.54 | d | 0.01 | 0.00 | 0.03 | 0.52 | 0.00 | 0.00 | 0.00 | 0.54 | 0.08 | 0.45 | 0.54 | d | |||||||||||
2010 | 0.55 | 0.77 | 0.23 | 0.40 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 1.10 | ----- | z | |||||||||||
2011 | 1.23 | 0.85 | 0.64 | g | 0.43 | f | 0.04 | 0.26 | 0.00 | 0.00 | 0.00 | c | 0.42 | 0.32 | 0.00 | 1.23 | p | |||||||||
2012 | 0.19 | 0.16 | 1.14 | 0.55 | 0.00 | 0.00 | 0.00 | a | 0.00 | a | 0.00 | 0.00 | 0.15 | 0.30 | 1.14 | b | ||||||||||
2013 | 0.30 | 0.36 | 0.60 | 0.02 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.07 | 0.60 | |||||||||||||
2014 | 0.10 | 0.57 | c | 0.33 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.94 | 1.00 | c | |||||||||||
2015 | 0.10 | 0.19 | 0.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | d | 0.00 | 0.23 | 0.47 | 0.55 | 0.55 | d | |||||||||||
2016 | 0.81 | 0.00 | 0.34 | 0.33 | 0.55 | v | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | 0.80 | 0.30 | 0.81 | v | |||||||||||
2017 | 0.50 | 0.72 | 0.84 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.84 | |||||||||||||
2018 | 0.85 | 0.00 | 1.15 | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 1.10 | 0.48 | 1.15 | a | |||||||||||
2019 | 0.29 | 0.70 | 0.32 | 0.00 | 0.92 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | d | 0.30 | 0.38 | 0.92 | d | |||||||||||
2020 | 0.34 | 0.00 | 1.09 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | r | 0.15 | 1.09 | r | |||||||||||
2021 | 1.60 | 0.00 | 0.37 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.47 | 0.06 | 0.66 | 1.60 | |||||||||||||
2022 | 0.00 | 0.00 | 1.18 | 0.04 | 0.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.57 | 0.46 | 0.49 | 0.26 | 0.20 | 0.08 | 0.01 | 0.01 | 0.10 | 0.23 | 0.37 | 0.46 | 0.97 | |||||||||||||
S.D. | 0.44 | 0.39 | 0.41 | 0.26 | 0.31 | 0.32 | 0.04 | 0.04 | 0.26 | 0.31 | 0.32 | 0.34 | 0.34 | |||||||||||||
SKEW | 1.53 | 1.05 | 1.01 | 1.04 | 1.64 | 6.47 | 5.74 | 3.99 | 3.47 | 2.06 | 0.80 | 0.77 | 0.44 | |||||||||||||
MAX | 2.47 | 1.72 | 1.78 | 1.16 | 1.10 | 2.50 | 0.28 | 0.22 | 1.54 | 1.70 | 1.25 | 1.45 | 1.72 | |||||||||||||
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 | 0.47 | |||||||||||||
YRS | 72 | 70 | 73 | 76 | 72 | 72 | 73 | 74 | 71 | 70 | 66 | 70 | 40 |