YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | 1.86 | 0.20 | 1.28 | 1.46 | 4.85 | g | |||||
1944 | 1.49 | 0.78 | 0.35 | 0.00 | 1.41 | v | 2.45 | ----- | z | 4.44 | 2.31 | 0.22 | 0.94 | 0.44 | 13.42 | b | ||||||||||
1945 | 0.42 | 0.63 | 0.72 | 0.10 | 0.05 | 0.45 | 4.59 | 0.90 | 1.87 | 1.50 | 0.00 | 0.00 | 11.23 | |||||||||||||
1946 | 2.19 | 0.00 | 0.19 | 0.70 | 3.19 | 3.51 | 1.31 | 1.26 | 3.47 | 2.16 | 0.06 | 0.99 | 19.03 | |||||||||||||
1947 | 1.45 | 0.13 | 0.41 | 0.00 | 3.03 | 2.39 | 0.27 | m | 4.65 | 1.78 | a | 0.65 | b | 0.38 | 1.54 | 16.41 | a | |||||||||
1948 | 0.04 | 0.30 | 0.00 | 0.39 | 0.35 | 2.92 | 4.07 | 0.62 | 0.87 | 1.61 | b | 0.19 | e | 0.39 | 11.75 | |||||||||||
1949 | 2.16 | 0.82 | 0.08 | 2.61 | 1.93 | 2.08 | 1.67 | 3.80 | 3.37 | 1.61 | 0.00 | 0.79 | 20.92 | |||||||||||||
1950 | 1.31 | 0.33 | 0.06 | 0.06 | 1.07 | 2.82 | 6.57 | 4.02 | 1.77 | 0.00 | 0.00 | 0.00 | 18.01 | |||||||||||||
1951 | 0.16 | 0.05 | 1.32 | 0.02 | 0.52 | 3.67 | 2.57 | 0.89 | 0.77 | 1.09 | 0.03 | 0.45 | 11.54 | |||||||||||||
1952 | 0.66 | 0.11 | 0.24 | 1.46 | 1.10 | 1.10 | 6.03 | 0.05 | 0.02 | 0.00 | 0.07 | 0.92 | 11.76 | |||||||||||||
1953 | 0.00 | 0.41 | 0.99 | 0.43 | 0.59 | 0.05 | 4.07 | 1.17 | 0.60 | 0.53 | 0.00 | 0.18 | a | 9.02 | ||||||||||||
1954 | 0.36 | 0.01 | 0.00 | 1.64 | 1.47 | 1.26 | 0.79 | 4.99 | 0.44 | 0.36 | 0.00 | 0.12 | 11.44 | |||||||||||||
1955 | 0.40 | 0.00 | 0.00 | 0.29 | 1.30 | 1.64 | 1.27 | 2.71 | 1.40 | 0.13 | 0.83 | 0.07 | 10.04 | |||||||||||||
1956 | 1.23 | 0.13 | 0.00 | 0.00 | 1.41 | 1.73 | 1.91 | 1.06 | 2.24 | 0.56 | 0.09 | 0.05 | 10.41 | |||||||||||||
1957 | 0.31 | 1.18 | 0.74 | 0.58 | 4.86 | 0.95 | 2.79 | 0.47 | 1.76 | 2.18 | 0.44 | 0.52 | 16.78 | |||||||||||||
1958 | 2.53 | 1.20 | 0.51 | 0.04 | 1.36 | 1.02 | 1.02 | 1.11 | 4.34 | 2.81 | 0.53 | 0.35 | 16.82 | |||||||||||||
1959 | 0.03 | 0.39 | 0.00 | 0.83 | 2.71 | 3.16 | 5.62 | 0.90 | 0.89 | 1.77 | 2.37 | 0.62 | 19.29 | |||||||||||||
1960 | 1.69 | 0.21 | 0.00 | b | 1.47 | 0.26 | 1.65 | 5.67 | 5.28 | 0.04 | 0.60 | 0.72 | 1.53 | 19.12 | ||||||||||||
1961 | 2.15 | 0.82 | 0.17 | 1.11 | 4.14 | 2.42 | 4.07 | 2.54 | 0.81 | 1.17 | 1.96 | a | 0.05 | 21.41 | ||||||||||||
1962 | 0.18 | 0.06 | 0.14 | 0.12 | 0.48 | 1.57 | 4.27 | 0.68 | 1.90 | 2.15 | 0.35 | 1.06 | 12.96 | |||||||||||||
1963 | 0.39 | 0.58 | 0.33 | 1.30 | 3.95 | 0.99 | 3.56 | 3.14 | 1.80 | 1.39 | 0.58 | 0.39 | 18.40 | |||||||||||||
1964 | 0.11 | 0.00 | 0.39 | 0.14 | 1.65 | 2.42 | 1.56 | 1.65 | 2.35 | 0.45 | 0.00 | 1.54 | 12.26 | |||||||||||||
1965 | 0.37 | 0.96 | 0.07 | 0.00 | 1.02 | 2.65 | 1.32 | 3.30 | 4.16 | 0.00 | 0.36 | 0.81 | 15.02 | |||||||||||||
1966 | 0.45 | 0.37 | 0.28 | 0.46 | 0.38 | 2.68 | 2.29 | 2.55 | 5.67 | 6.47 | 0.00 | 0.16 | 21.76 | |||||||||||||
1967 | 0.12 | 0.84 | 1.46 | 0.04 | 0.06 | 5.37 | 1.78 | 2.75 | 3.27 | 0.72 | 0.02 | 0.72 | 17.15 | |||||||||||||
1968 | 1.36 | 1.21 | 1.33 | 1.86 | 0.67 | 1.35 | 4.43 | 3.45 | 4.33 | 1.24 | 1.72 | 0.02 | 22.97 | |||||||||||||
1969 | 0.67 | 0.06 | 0.04 | 0.54 | 1.93 | 1.42 | 2.98 | 1.51 | 0.79 | 1.60 | 0.44 | 0.80 | 12.78 | |||||||||||||
1970 | 0.32 | 1.82 | 1.11 | 0.34 | 0.40 | 3.59 | 1.37 | 4.15 | 10.46 | 2.09 | 0.00 | 0.17 | 25.82 | |||||||||||||
1971 | 0.10 | 0.00 | 0.00 | 0.00 | 0.31 | 0.69 | 4.07 | 3.32 | 1.30 | 7.49 | 0.00 | 0.24 | 17.52 | |||||||||||||
1972 | 0.58 | 0.00 | 0.40 | 0.00 | 2.03 | 0.75 | 0.78 | 4.71 | 5.95 | 1.40 | 0.79 | 0.00 | 17.39 | |||||||||||||
1973 | 0.20 | 1.76 | 0.04 | 0.15 | 1.21 | 1.09 | 4.81 | 2.02 | 2.70 | 0.00 | 0.00 | 0.00 | 13.98 | |||||||||||||
1974 | 0.06 | 0.02 | 0.97 | 0.16 | 0.98 | 0.08 | 3.30 | 7.78 | 6.16 | 1.26 | 0.54 | 1.29 | 22.60 | |||||||||||||
1975 | 0.32 | 0.76 | 0.00 | 0.02 | 0.90 | 0.43 | 8.91 | 5.50 | 0.57 | 0.46 | 0.18 | 0.60 | 18.65 | |||||||||||||
1976 | 0.35 | 0.00 | 0.00 | 0.68 | 3.19 | 0.91 | 7.28 | 1.21 | 4.28 | 2.40 | 0.88 | 1.38 | 22.56 | |||||||||||||
1977 | 0.14 | 0.02 | 0.04 | 1.00 | 0.47 | 3.90 | 1.42 | 0.42 | 0.22 | 0.51 | 0.34 | 0.10 | 8.58 | |||||||||||||
1978 | 0.58 | 0.54 | 0.35 | 0.16 | 2.23 | 0.91 | 2.33 | 6.91 | 7.65 | 1.82 | 2.71 | 0.52 | 26.71 | |||||||||||||
1979 | 0.13 | 0.27 | 0.20 | 1.07 | 2.51 | 2.82 | 2.02 | 4.32 | 1.58 | 0.00 | 0.25 | 0.04 | 15.21 | |||||||||||||
1980 | 0.17 | 0.15 | 0.10 | 0.02 | 0.05 | 3.23 | 0.62 | 10.71 | 3.62 | 0.74 | 1.08 | 0.78 | 21.27 | |||||||||||||
1981 | 1.15 | 0.40 | 0.66 | 3.84 | 1.57 | 5.03 | 1.79 | 4.66 | 2.93 | 6.17 | 0.00 | 0.00 | 28.20 | |||||||||||||
1982 | 1.21 | a | 0.62 | 0.00 | a | 1.13 | 2.79 | 3.77 | 4.02 | 1.78 | 1.13 | 0.01 | 0.39 | 1.32 | 18.17 | |||||||||||
1983 | 1.55 | 0.99 | 1.30 | 0.90 | 1.92 | 0.17 | 2.34 | 2.49 | 1.29 | 3.83 | 0.79 | 0.01 | a | 17.58 | ||||||||||||
1984 | 1.33 | 0.05 | ----- | z | 0.01 | 2.31 | 4.65 | a | 2.44 | 2.17 | 2.64 | 2.04 | 1.53 | 0.55 | 19.72 | a | ||||||||||
1985 | 1.43 | a | 0.29 | 0.72 | 0.29 | 1.60 | ----- | z | 1.20 | b | 0.65 | 6.28 | 0.69 | 0.53 | 0.00 | 13.68 | a | |||||||||
1986 | 1.63 | 0.66 | 0.00 | 1.04 | 0.51 | 8.08 | 1.91 | 5.74 | 3.65 | 6.37 | 1.19 | a | 2.90 | 33.68 | ||||||||||||
1987 | 0.52 | 0.75 | 0.00 | 1.27 | 2.49 | 1.25 | 2.18 | 7.86 | 1.94 | 0.55 | 0.09 | 1.10 | 20.00 | |||||||||||||
1988 | 0.01 | 0.19 | 0.18 | 0.01 | 5.30 | 1.45 | 6.94 | 1.96 | 2.73 | 0.35 | 0.00 | 0.32 | 19.44 | |||||||||||||
1989 | 0.54 | 2.37 | 0.16 | 0.02 | a | 0.64 | 0.77 | 0.71 | 1.84 | 0.78 | 0.33 | 0.19 | 0.41 | 8.76 | ||||||||||||
1990 | 0.20 | 0.89 | 0.67 | 0.36 | 1.36 | 0.73 | 7.60 | 6.70 | a | 5.78 | 2.87 | 0.44 | 0.24 | 27.84 | ||||||||||||
1991 | 0.47 | 0.65 | 0.20 | b | 0.95 | 0.76 | 2.14 | 10.69 | 5.63 | 3.50 | 0.09 | 0.54 | 3.00 | 28.62 | ||||||||||||
1992 | 1.56 | a | 3.96 | 0.22 | 1.72 | 4.01 | 1.04 | 5.28 | 5.89 | 0.65 | 0.24 | 0.64 | 0.28 | 25.49 | ||||||||||||
1993 | 0.83 | 0.47 | 0.40 | 0.07 | 1.61 | 0.84 | 4.91 | 0.84 | 3.33 | 1.63 | 0.09 | 0.55 | 15.57 | |||||||||||||
1994 | 1.04 | 0.81 | 1.30 | 0.17 | 1.82 | 2.77 | 2.91 | 1.04 | 0.27 | 1.73 | h | 0.13 | 0.16 | 12.42 | a | |||||||||||
1995 | 0.02 | 0.80 | 0.00 | 0.64 | 1.95 | 3.01 | 0.39 | 1.52 | h | 6.02 | 0.39 | 0.79 | 0.00 | l | 14.01 | b | ||||||||||
1996 | 0.00 | 0.05 | 0.00 | 0.11 | 1.21 | 4.61 | 2.33 | 4.94 | 0.98 | 0.76 | 0.50 | 0.00 | 15.49 | |||||||||||||
1997 | 0.30 | 2.06 | 1.74 | 2.12 | 1.79 | 1.69 | 2.76 | 1.52 | 1.29 | 0.91 | 1.09 | 0.92 | 18.19 | |||||||||||||
1998 | 0.00 | 0.30 | 0.25 | 0.00 | 0.02 | 2.38 | 3.39 | 3.78 | 0.48 | 2.10 | 1.55 | 0.04 | 14.29 | |||||||||||||
1999 | 0.00 | 0.07 | 0.63 | 0.20 | 0.43 | 5.85 | 4.90 | 2.25 | 1.40 | 0.13 | 0.00 | 0.00 | 15.86 | |||||||||||||
2000 | 0.00 | 0.69 | 0.15 | 0.23 | 0.00 | 4.03 | 2.25 | 1.55 | 0.15 | 4.30 | 2.49 | 0.31 | 16.15 | |||||||||||||
2001 | 1.01 | a | 0.50 | 0.22 | 0.38 | 1.53 | 0.11 | 0.67 | 4.38 | 0.89 | 0.95 | 1.55 | 0.00 | 12.19 | ||||||||||||
2002 | 0.01 | 0.11 | 0.00 | 1.10 | 1.25 | 1.26 | 3.20 | 5.51 | 0.11 | 3.50 | 0.07 | 0.45 | 16.57 | |||||||||||||
2003 | 0.23 | 1.14 | 0.40 | 0.15 | 1.95 | 5.83 | 5.99 | 2.05 | f | 1.31 | 5.35 | 0.10 | 0.00 | 22.45 | a | |||||||||||
2004 | 1.15 | 0.41 | 2.71 | 1.61 | 2.40 | 3.40 | 4.13 | 4.63 | 4.09 | 1.01 | 2.16 | 0.04 | 27.74 | |||||||||||||
2005 | 0.76 | 0.76 | 0.10 | 0.04 | 1.31 | a | 0.53 | 2.44 | 3.67 | 0.93 | 2.21 | 0.00 | 0.65 | 13.40 | ||||||||||||
2006 | 0.13 | 0.00 | 0.03 | 0.37 | 1.35 | 0.85 | 1.16 | 10.70 | a | 1.31 | 1.76 | 0.00 | 0.96 | 18.62 | ||||||||||||
2007 | 3.59 | 0.06 | a | 1.26 | 0.25 | 3.03 | 2.17 | g | 5.48 | 1.98 | 4.76 | 0.71 | 0.94 | 0.00 | 22.06 | a | ||||||||||
2008 | 0.54 | 0.00 | 0.09 | 0.08 | 1.40 | 1.96 | 5.72 | 6.40 | 4.63 | 0.64 | 0.00 | 0.15 | 21.61 | |||||||||||||
2009 | 0.02 | 0.00 | b | 0.82 | 0.00 | 1.99 | 3.92 | 2.29 | 3.20 | 0.71 | 1.48 | 0.75 | 0.70 | 15.88 | ||||||||||||
2010 | 1.33 | 1.16 | 0.00 | 2.94 | 0.34 | 1.48 | 6.40 | 2.21 | 3.51 | 0.00 | 0.00 | 0.00 | 19.37 | |||||||||||||
2011 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.58 | 0.96 | 1.40 | 0.01 | a | 0.29 | 0.05 | 4.31 | ||||||||||||
2012 | 0.04 | 1.47 | 0.34 | 1.02 | 3.65 | 2.52 | 3.85 | 3.18 | 1.48 | 0.93 | 0.23 | 0.03 | 18.74 | |||||||||||||
2013 | 1.81 | 0.00 | 0.00 | 0.00 | 0.38 | 1.21 | 1.50 | 0.97 | 3.88 | 0.24 | p | 2.19 | 0.68 | 12.62 | a | |||||||||||
2014 | 0.00 | 0.14 | 0.00 | 0.59 | 2.53 | 1.42 | 2.39 | 2.08 | a | 3.19 | c | 0.00 | a | 3.93 | c | 0.29 | h | 16.27 | a | |||||||
2015 | 1.67 | c | 0.64 | a | 1.73 | a | 0.85 | a | 1.08 | 3.55 | a | 1.97 | 0.55 | 1.48 | 2.04 | 0.43 | 0.52 | a | 16.51 | |||||||
2016 | 0.18 | 0.44 | 0.54 | 0.00 | 1.26 | 4.48 | a | 0.90 | i | 9.57 | e | 4.03 | 0.21 | d | 0.69 | 1.86 | 23.26 | a | ||||||||
2017 | 0.07 | 1.02 | 0.09 | c | 0.41 | a | 3.04 | 0.73 | a | 5.47 | 3.65 | 2.42 | 0.29 | 0.02 | 1.18 | a | 18.39 | |||||||||
2018 | 0.00 | 0.15 | b | 0.00 | 0.11 | 1.53 | 3.51 | a | 3.53 | 2.36 | a | 8.64 | 3.58 | 0.41 | 1.71 | i | 23.82 | a | ||||||||
2019 | ----- | z | 0.05 | 0.04 | 1.02 | 0.52 | 1.85 | b | 0.03 | u | 1.74 | o | 6.51 | 0.03 | 1.38 | a | 0.80 | 12.20 | c | |||||||
2020 | 0.86 | 0.67 | 0.79 | S | 0.05 | e | 0.70 | 1.16 | 0.57 | b | 0.19 | 2.45 | 0.00 | 0.00 | 0.20 | b | 7.64 | |||||||||
2021 | 0.26 | 0.73 | a | 0.00 | a | 0.09 | 1.87 | 1.51 | 3.06 | 10.42 | 1.37 | 0.76 | 0.10 | 0.07 | 20.24 | |||||||||||
2022 | 0.00 | 0.48 | 0.00 | 0.00 | 0.23 | 3.14 | 0.24 | 2.23 | 3.50 | 2.63 | 0.24 | 0.32 | 13.01 | |||||||||||||
2023 | 0.13 | 1.13 | 0.97 | 0.00 | 4.82 | 0.28 | 0.97 | 2.24 | 0.72 | 3.60 | 1.03 | 0.00 | 15.89 | |||||||||||||
2024 | 0.35 | 0.20 | 0.03 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.58 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.66 | 0.56 | 0.40 | 0.57 | 1.60 | 2.19 | 3.25 | 3.27 | 2.59 | 1.48 | 0.61 | 0.54 | 17.40 | |||||||||||||
S.D. | 0.73 | 0.64 | 0.53 | 0.75 | 1.23 | 1.59 | 2.15 | 2.54 | 2.12 | 1.65 | 0.77 | 0.62 | 5.63 | |||||||||||||
SKEW | 1.42 | 2.41 | 1.84 | 1.96 | 0.99 | 1.05 | 0.99 | 1.16 | 1.28 | 1.78 | 1.86 | 1.82 | 0.38 | |||||||||||||
MAX | 3.59 | 3.96 | 2.71 | 3.84 | 5.30 | 8.08 | 10.69 | 10.71 | 10.46 | 7.49 | 3.93 | 3.00 | 33.68 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.24 | 0.05 | 0.02 | 0.00 | 0.00 | 0.00 | 4.31 | |||||||||||||
YRS | 80 | 81 | 80 | 80 | 79 | 78 | 76 | 78 | 81 | 79 | 81 | 78 | 67 |