YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.78 | a | 0.32 | 3.10 | j | |
1941 | 0.43 | 0.11 | 2.52 | 2.97 | 6.01 | 3.21 | 3.80 | 3.29 | 12.17 | 2.44 | 0.03 | 0.06 | 37.04 | |||||||||||||
1942 | 0.03 | 0.02 | 1.42 | a | 7.10 | 0.65 | 2.35 | 8.96 | 2.61 | 5.64 | 3.96 | 0.00 | 2.00 | a | 34.74 | |||||||||||
1943 | 0.53 | 0.00 | 0.03 | a | 1.17 | 1.13 | 0.94 | 3.55 | 4.28 | 0.27 | 0.02 | 0.21 | b | 1.02 | a | 13.15 | ||||||||||
1944 | 0.65 | 0.38 | 0.38 | 3.92 | 4.67 | 0.71 | 2.72 | 5.25 | 0.57 | 1.11 | 0.70 | 0.35 | 21.41 | |||||||||||||
1945 | 1.01 | a | 0.48 | 0.40 | a | 0.75 | 0.23 | 0.87 | 7.43 | 1.72 | 2.42 | 1.20 | 0.00 | 0.05 | 16.56 | |||||||||||
1946 | 0.23 | 0.21 | 2.21 | 1.38 | 3.40 | 0.72 | 1.18 | 6.67 | 1.70 | 3.40 | 1.91 | 0.03 | 23.04 | |||||||||||||
1947 | 0.12 | 0.55 | 0.23 | 0.93 | 2.95 | 0.85 | 3.48 | x | 2.69 | w | ----- | z | ----- | z | ----- | z | ----- | z | 5.63 | f | ||||||
1948 | 0.92 | 1.27 | a | 1.61 | 0.27 | 4.43 | 2.53 | 2.17 | 4.36 | 1.32 | 0.45 | 2.33 | 0.01 | a | 21.67 | |||||||||||
1949 | 0.51 | a | 0.42 | 0.95 | 0.71 | 1.69 | d | 7.55 | c | 2.87 | 2.90 | 1.19 | 0.25 | 0.00 | 0.25 | 19.29 | ||||||||||
1950 | 0.12 | 0.06 | 0.05 | 0.18 | 0.28 | 1.82 | 7.83 | 2.22 | b | 3.65 | 0.45 | 0.00 | 0.23 | 16.89 | ||||||||||||
1951 | 0.33 | 0.29 | 0.65 | 0.39 | a | 3.23 | 1.66 | 5.03 | 2.74 | 1.76 | 0.55 | 0.34 | 0.12 | 17.09 | ||||||||||||
1952 | 0.21 | 0.30 | 0.48 | 1.37 | 1.44 | 1.04 | 2.41 | 2.30 | 0.79 | 0.00 | 0.39 | 0.47 | 11.20 | |||||||||||||
1953 | 0.02 | 0.51 | 0.16 | a | 0.48 | 0.85 | 1.52 | 2.74 | 3.29 | 0.00 | 0.45 | 1.24 | 0.51 | 11.77 | ||||||||||||
1954 | 0.26 | 0.04 | 0.38 | 0.24 | 2.67 | 0.63 | 1.03 | 1.78 | 0.32 | 3.81 | 0.00 | 0.06 | 11.22 | |||||||||||||
1955 | 0.02 | 0.27 | 0.11 | 0.99 | 5.85 | 0.37 | 1.76 | 3.06 | 1.21 | 0.34 | 0.05 | 0.10 | 14.13 | |||||||||||||
1956 | 0.28 | 0.24 | 0.15 | 0.25 | 1.36 | 1.91 | 2.04 | 3.64 | 0.05 | 0.05 | 0.20 | 0.00 | 10.17 | |||||||||||||
1957 | 0.10 | 0.00 | 2.36 | 3.21 | 2.37 | 1.23 | 5.57 | 2.11 | 0.32 | 2.13 | 1.15 | 0.00 | 20.55 | |||||||||||||
1958 | 0.13 | 0.66 | 1.92 | 1.83 | 4.03 | 0.97 | 4.95 | 1.44 | 1.39 | 0.18 | 0.21 | 0.57 | 18.28 | |||||||||||||
1959 | 0.50 | 0.26 | 0.32 | 0.51 | 3.09 | 3.03 | 0.81 | 4.20 | 0.03 | S | 2.39 | 0.10 | 0.53 | 15.77 | ||||||||||||
1960 | 0.93 | 0.40 | 0.12 | 0.33 | 0.32 | 3.51 | 2.67 | a | 3.49 | 3.00 | 3.19 | 0.26 | 1.64 | 19.86 | ||||||||||||
1961 | 0.20 | 1.10 | 0.67 | 0.54 | 0.85 | 3.34 | 3.53 | 2.07 | 1.72 | 1.02 | 0.67 | 0.03 | b | 15.74 | ||||||||||||
1962 | 0.64 | 0.15 | 0.19 | 0.50 | 1.79 | 3.38 | 5.32 | 1.00 | 1.24 | 0.01 | 0.48 | 0.11 | 14.81 | |||||||||||||
1963 | 0.02 | 0.45 | 0.13 | 0.00 | 2.06 | 2.86 | 1.96 | a | 2.72 | 1.88 | 0.15 | 0.02 | 0.15 | 12.40 | ||||||||||||
1964 | 0.00 | 0.23 | 0.14 | 0.38 | 1.54 | 0.23 | 2.03 | 1.02 | 1.91 | 0.00 | 0.61 | 0.41 | 8.50 | |||||||||||||
1965 | 0.16 | 0.27 | 0.45 | 0.74 | 5.30 | 9.75 | 3.70 | 4.74 | 2.80 | 1.28 | 0.00 | 0.93 | 30.12 | |||||||||||||
1966 | 0.36 | 0.15 | 0.05 | 0.91 | 0.87 | 1.80 | 5.43 | 2.53 | 0.83 | 0.28 | 0.03 | 0.20 | 13.44 | |||||||||||||
1967 | 0.10 | 0.03 | 0.09 | 0.21 | 2.35 | 5.77 | 6.30 | 5.36 | 2.59 | 0.00 | 0.01 | 0.47 | 23.28 | |||||||||||||
1968 | 0.09 | 0.00 | 0.54 | 1.35 | 0.56 | 0.99 | 3.89 | 2.12 | 0.22 | 0.03 | 0.67 | ----- | z | 10.46 | a | |||||||||||
1969 | 0.00 | 0.76 | 0.97 | 1.26 | 3.76 | 3.32 | 3.88 | 2.34 | 3.53 | 1.75 | 0.30 | 0.36 | b | 22.23 | ||||||||||||
1970 | 0.00 | 0.35 | 0.93 | 1.25 | 1.44 | 1.10 | 4.03 | 3.57 | 1.08 | 0.50 | 0.07 | 0.00 | 14.32 | |||||||||||||
1971 | 0.00 | 0.26 | 0.42 | 2.87 | 1.97 | 1.32 | 3.21 | 1.61 | 1.62 | 2.58 | 0.82 | 0.42 | 17.10 | |||||||||||||
1972 | 0.02 | 0.00 | 0.22 | 0.31 | 2.33 | 1.62 | 3.50 | 1.23 | 5.58 | 1.36 | 1.42 | 0.30 | 17.89 | |||||||||||||
1973 | 0.00 | 0.32 | 3.26 | 1.00 | 0.68 | 0.40 | 3.61 | 1.23 | 2.54 | 0.48 | 0.10 | 1.10 | 14.72 | |||||||||||||
1974 | 0.45 | a | 0.03 | 0.23 | 0.12 | 0.25 | 2.00 | 3.39 | 2.70 | 1.19 | 1.89 | 0.10 | 0.23 | 12.58 | ||||||||||||
1975 | 0.01 | 0.06 | 0.77 | 0.87 | 1.19 | 2.03 | 2.20 | 2.33 | 2.31 | 0.00 | 1.41 | 0.30 | 13.48 | |||||||||||||
1976 | 0.12 | 0.81 | 0.24 | 0.65 | ----- | z | 0.40 | 2.46 | 1.52 | 4.40 | 0.48 | 0.29 | 0.00 | 11.37 | a | |||||||||||
1977 | 0.21 | 0.15 | 0.34 | 4.68 | 6.15 | 0.66 | 2.50 | 2.82 | 1.44 | 0.04 | ----- | z | 0.00 | 18.99 | a | |||||||||||
1978 | 0.22 | 0.52 | 0.22 | 0.40 | 2.81 | 5.06 | 1.16 | 1.35 | 0.64 | 0.40 | 1.89 | 0.26 | 14.93 | |||||||||||||
1979 | 0.70 | 0.01 | 0.85 | 1.89 | 4.75 | 3.68 | 3.56 | 2.94 | 1.42 | 0.29 | 0.56 | 0.42 | 21.07 | |||||||||||||
1980 | 0.34 | 0.00 | 0.88 | 1.65 | 3.09 | 1.35 | 1.22 | 0.88 | 1.65 | 0.00 | 0.56 | 0.06 | 11.68 | |||||||||||||
1981 | 0.05 | 0.02 | 1.29 | 0.67 | 3.17 | 0.35 | 1.87 | 11.29 | 1.56 | 0.89 | 0.53 | 0.20 | 21.89 | |||||||||||||
1982 | 0.04 | a | 0.07 | 0.46 | 0.49 | 1.78 | 2.55 | b | 5.09 | 2.51 | 1.21 | 0.40 | 0.35 | 0.38 | 15.33 | |||||||||||
1983 | 0.65 | 0.70 | a | 1.85 | 0.80 | 2.72 | 2.55 | 2.10 | b | 0.10 | 0.59 | 0.07 | 0.19 | 0.35 | 12.67 | |||||||||||
1984 | 0.07 | 0.28 | 1.18 | b | 0.65 | 1.36 | 1.62 | a | 3.13 | 3.21 | a | 1.65 | 3.56 | 0.38 | 0.32 | a | 17.41 | |||||||||
1985 | 0.56 | a | 0.10 | a | 0.85 | 1.51 | 2.69 | 1.71 | 3.83 | 0.54 | 2.05 | a | 1.59 | 0.14 | 0.00 | 15.57 | ||||||||||
1986 | 0.07 | 0.32 | c | 0.04 | 0.09 | 3.29 | 3.72 | c | 1.03 | 2.44 | 3.11 | 3.15 | 1.86 | 0.10 | 19.22 | |||||||||||
1987 | 0.44 | 1.58 | 0.58 | 0.56 | 2.82 | 1.61 | b | 0.90 | a | 3.63 | 1.27 | a | 0.00 | 0.30 | 0.61 | 14.30 | ||||||||||
1988 | 0.06 | 0.17 | 0.30 | 1.02 | a | 2.31 | 1.97 | 3.07 | 1.53 | 3.28 | 0.62 | 0.22 | 0.04 | 14.59 | ||||||||||||
1989 | 0.26 | 0.43 | 0.01 | 1.09 | 2.02 | 4.02 | 3.97 | 2.52 | 3.04 | 0.30 | a | 0.00 | 0.36 | 18.02 | ||||||||||||
1990 | 1.08 | 1.10 | 0.42 | 0.60 | 2.76 | 0.99 | 4.90 | 2.94 | 2.18 | 0.13 | 1.70 | 0.33 | 19.13 | |||||||||||||
1991 | 0.30 | 0.02 | 0.78 | 0.40 | 1.18 | 3.03 | 3.08 | 7.28 | 2.43 | 0.23 | 1.16 | 0.84 | d | 20.73 | ||||||||||||
1992 | 0.35 | 0.19 | 0.15 | 0.73 | c | 1.67 | 2.06 | 4.40 | 2.95 | 0.83 | 0.01 | 0.71 | 0.39 | 14.44 | ||||||||||||
1993 | 0.37 | 0.63 | 2.30 | 0.30 | 3.13 | 2.08 | 1.93 | 4.91 | 0.65 | 0.22 | 0.63 | 0.04 | 17.19 | |||||||||||||
1994 | 0.13 | 0.00 | 0.58 | 0.78 | 2.99 | 1.24 | 3.26 | 5.33 | 0.57 | 1.56 | 0.80 | 0.20 | 17.44 | |||||||||||||
1995 | 0.12 | 0.10 | 0.42 | 1.71 | 4.13 | 1.33 | 4.37 | 1.42 | 1.85 | 0.00 | 0.11 | 0.00 | 15.56 | |||||||||||||
1996 | 0.07 | 0.01 | 0.01 | 0.12 | 2.70 | 1.87 | 4.00 | 3.40 | 3.95 | 0.72 | 0.12 | 0.00 | 16.97 | |||||||||||||
1997 | 0.35 | 0.70 | c | 0.05 | 2.75 | 1.44 | 4.48 | 3.30 | 3.66 | 3.22 | 1.09 | 0.69 | 0.44 | 22.17 | ||||||||||||
1998 | 0.00 | 0.84 | 1.38 | a | 1.77 | 0.00 | 0.42 | 5.23 | 2.00 | g | 0.56 | g | 2.77 | 0.48 | 0.18 | b | 13.07 | b | ||||||||
1999 | 0.28 | 0.00 | 0.92 | 5.23 | 3.57 | 2.19 | 3.84 | 3.10 | 0.91 | 0.70 | 0.00 | 0.05 | 20.79 | |||||||||||||
2000 | 0.43 | 0.02 | 2.57 | 0.34 | 0.32 | 2.54 | 2.40 | 1.63 | 0.05 | 3.73 | 0.02 | 0.10 | c | 14.15 | ||||||||||||
2001 | 1.55 | 0.77 | 1.77 | 0.20 | 4.49 | 1.83 | 1.03 | 4.14 | 1.01 | 0.00 | 0.87 | a | 0.20 | 17.86 | ||||||||||||
2002 | 0.45 | 0.03 | 0.00 | 0.40 | 0.00 | 2.00 | 2.37 | 1.02 | 2.10 | 1.24 | 0.42 | 0.97 | 11.00 | |||||||||||||
2003 | 0.20 | 0.10 | 0.50 | 0.70 | ----- | z | 4.59 | a | 0.62 | 2.18 | 0.60 | 0.01 | 0.35 | 0.00 | 9.85 | a | ||||||||||
2004 | 0.51 | 0.38 | 0.47 | 4.67 | 0.06 | a | 4.45 | 8.98 | 3.77 | 4.49 | 1.17 | 2.03 | ----- | z | 30.98 | a | ||||||||||
2005 | 0.62 | l | 0.00 | 1.26 | 2.00 | d | 1.26 | 1.27 | 1.55 | 3.56 | 0.68 | 0.20 | a | 0.00 | 0.00 | a | 11.78 | a | ||||||||
2006 | 0.20 | 0.03 | 0.30 | 0.65 | 0.94 | 3.28 | 6.02 | a | 7.06 | a | 1.28 | 0.50 | a | 0.15 | 2.88 | 23.29 | ||||||||||
2007 | 0.55 | 0.32 | 0.55 | 0.76 | 2.66 | 1.42 | 2.34 | 0.24 | 1.75 | 0.12 | 0.12 | a | 1.02 | 11.85 | ||||||||||||
2008 | 0.07 | 0.08 | a | 0.54 | 0.35 | 0.72 | 0.20 | 3.65 | 5.41 | 0.72 | a | 0.93 | 0.25 | 0.25 | 13.17 | |||||||||||
2009 | 0.00 | 0.60 | 1.55 | 0.28 | 0.35 | 0.57 | a | 5.42 | 1.95 | 1.62 | 1.80 | 0.02 | 0.25 | 14.41 | ||||||||||||
2010 | 0.60 | 1.47 | 3.32 | 0.39 | 0.95 | 1.46 | 3.34 | g | 2.60 | 3.40 | 1.00 | 0.00 | 0.25 | 15.44 | a | |||||||||||
2011 | ----- | z | 0.60 | 0.25 | ----- | z | ----- | z | ----- | z | 2.32 | v | 2.34 | x | 1.51 | x | ----- | z | ----- | z | 2.93 | y | 0.85 | j | ||
2012 | ----- | z | 0.30 | v | ----- | z | 1.81 | v | 1.54 | 0.54 | 1.17 | 2.07 | 0.92 | b | 0.65 | a | ----- | z | ----- | z | 6.89 | f | ||||
2013 | 0.40 | ----- | z | ----- | z | 0.22 | 0.66 | ----- | z | 4.52 | 2.58 | 3.99 | 0.10 | 0.27 | 0.09 | 12.83 | c | |||||||||
2014 | 0.07 | 0.07 | 0.25 | 0.29 | 1.20 | 1.18 | 3.09 | 1.34 | 1.45 | 0.50 | 0.37 | 0.93 | 10.74 | |||||||||||||
2015 | 0.62 | 1.48 | 0.45 | 1.05 | 4.26 | 3.37 | 3.90 | 6.01 | 0.80 | 2.26 | 1.17 | 1.35 | 26.72 | |||||||||||||
2016 | 0.33 | 0.87 | 0.30 | 1.38 | 2.38 | 2.91 | 1.97 | 4.32 | 2.48 | 0.00 | 1.15 | 0.23 | 18.32 | |||||||||||||
2017 | 1.60 | 0.22 | 0.55 | 2.17 | 1.85 | 0.18 | 4.87 | 2.82 | 3.80 | 0.52 | 0.00 | 0.00 | 18.58 | |||||||||||||
2018 | 0.05 | 0.08 | 0.15 | 0.57 | 1.32 | 0.60 | 3.24 | 4.17 | 1.07 | 2.43 | 0.40 | a | 0.40 | 14.48 | ||||||||||||
2019 | 0.16 | 0.20 | 2.07 | a | 1.17 | 1.15 | 2.00 | 1.08 | 2.30 | 1.47 | 0.27 | a | 0.25 | 0.35 | 12.47 | |||||||||||
2020 | 0.12 | 0.27 | 0.22 | 0.77 | 1.01 | a | 0.00 | 6.63 | 1.21 | ----- | z | ----- | z | ----- | z | ----- | z | 10.23 | d | |||||||
2021 | 0.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k |
2022 | 0.30 | b | 0.32 | a | ----- | z | 0.60 | 1.00 | 2.13 | 4.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.77 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.31 | 0.35 | 0.75 | 1.15 | 2.16 | 2.09 | 3.45 | 2.99 | 1.93 | 0.97 | 0.53 | 0.38 | 17.20 | |||||||||||||
S.D. | 0.33 | 0.37 | 0.78 | 1.27 | 1.50 | 1.66 | 1.82 | 1.80 | 1.74 | 1.10 | 0.62 | 0.49 | 5.31 | |||||||||||||
SKEW | 1.82 | 1.52 | 1.52 | 2.46 | 0.75 | 1.91 | 0.88 | 1.64 | 2.98 | 1.26 | 1.62 | 2.74 | 1.46 | |||||||||||||
MAX | 1.60 | 1.58 | 3.32 | 7.10 | 6.15 | 9.75 | 8.98 | 11.29 | 12.17 | 3.96 | 2.78 | 2.88 | 37.04 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.62 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 8.50 | |||||||||||||
YRS | 79 | 79 | 78 | 79 | 78 | 79 | 78 | 77 | 76 | 77 | 76 | 75 | 67 |