YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | 0.87 | y | 0.00 | 0.08 | 0.05 | 0.00 | 0.29 | 0.76 | 0.84 | 2.02 | e | |||||||
1936 | 0.20 | 0.91 | 0.13 | 0.37 | 0.54 | 1.05 | 0.60 | 0.22 | 0.24 | 0.33 | 0.00 | 0.88 | 5.47 | |||||||||||||
1937 | 1.04 | 1.83 | 1.54 | 0.76 | 0.75 | 0.10 | 0.20 | 0.00 | 0.00 | 0.33 | 0.99 | 0.96 | 8.50 | |||||||||||||
1938 | 0.50 | 1.32 | 1.20 | 2.82 | 1.62 | 1.32 | 0.90 | 0.23 | 0.13 | 1.69 | 0.64 | 0.11 | 12.48 | |||||||||||||
1939 | 0.57 | 0.41 | 0.47 | 0.02 | 0.76 | 0.09 | 0.10 | 0.17 | 1.00 | 1.38 | 0.08 | 0.71 | 5.76 | |||||||||||||
1940 | 2.24 | 0.86 | 0.67 | 0.71 | 0.00 | 0.47 | 0.05 | 0.00 | 0.80 | 1.47 | 0.60 | ----- | z | 7.87 | a | |||||||||||
1941 | 0.65 | b | 0.61 | 0.17 | 1.10 | 1.53 | 1.40 | 0.45 | 1.05 | 0.05 | 1.18 | 0.76 | 0.60 | 9.55 | ||||||||||||
1942 | 1.36 | 0.26 | 0.32 | 0.89 | 1.21 | 0.30 | 0.06 | 0.00 | 0.07 | 0.31 | 0.58 | 1.06 | 6.42 | |||||||||||||
1943 | 2.53 | 0.56 | a | 0.35 | 0.24 | 0.31 | 1.00 | u | 0.78 | 0.00 | 0.02 | 0.95 | 0.33 | 0.02 | 6.09 | a | ||||||||||
1944 | 0.43 | 1.63 | b | 0.23 | 0.44 | ----- | z | 1.86 | 0.14 | 0.00 | 0.51 | 0.67 | 1.56 | 0.43 | 7.90 | a | ||||||||||
1945 | 0.73 | 1.99 | 0.49 | 0.20 | 2.19 | 1.68 | x | 0.12 | 0.16 | 0.30 | 0.92 | y | 0.78 | 0.64 | 7.60 | b | ||||||||||
1946 | 0.10 | 0.18 | 1.87 | 0.58 | 1.05 | 0.00 | 0.74 | 0.00 | 0.60 | 1.51 | 1.00 | y | 0.40 | 7.03 | a | |||||||||||
1947 | 0.05 | 0.20 | 0.22 | 0.93 | 1.56 | 0.19 | ----- | z | 0.00 | 0.00 | 0.17 | 1.01 | 0.24 | 4.57 | a | |||||||||||
1948 | 0.00 | 0.12 | 0.69 | 0.45 | 0.76 | 1.41 | 0.00 | 0.00 | 0.13 | 0.80 | 0.18 | 0.36 | 4.90 | |||||||||||||
1949 | 1.19 | 0.20 | 1.37 | 0.28 | 1.89 | 0.30 | 0.00 | 0.00 | 0.25 | 0.06 | 0.25 | 0.14 | 5.93 | |||||||||||||
1950 | 0.39 | a | 0.13 | 0.81 | 0.33 | 0.37 | 0.43 | 0.51 | 0.00 | 0.86 | 0.36 | 1.31 | 0.62 | 6.12 | ||||||||||||
1951 | 0.40 | 0.41 | 0.28 | 0.89 | 0.30 | 0.00 | 0.02 | 0.15 | 0.00 | 1.86 | 0.59 | 1.33 | 6.23 | |||||||||||||
1952 | 1.50 | 0.16 | 1.41 | a | 0.73 | 0.68 | 2.52 | 0.86 | 0.55 | 1.27 | 0.00 | 0.11 | 0.66 | 10.45 | ||||||||||||
1953 | 0.21 | 0.26 | 0.55 | 0.27 | 2.57 | 1.13 | 0.03 | 0.53 | 0.03 | 0.47 | 0.73 | 0.45 | 7.23 | |||||||||||||
1954 | 0.17 | 0.30 | 0.73 | 0.57 | 0.11 | 0.33 | 0.02 | 0.00 | 0.02 | 0.03 | 0.42 | 0.77 | 3.47 | |||||||||||||
1955 | 0.92 | 0.45 | 0.39 | 0.23 | 1.24 | 0.05 | 0.24 | 0.04 | 0.37 | 0.08 | 0.73 | 1.29 | 6.03 | |||||||||||||
1956 | 1.99 | 0.10 | 0.02 | 0.37 | 1.50 | 0.26 | 0.27 | 0.08 | 0.44 | 0.70 | 0.06 | 0.06 | 5.85 | |||||||||||||
1957 | 0.60 | 0.35 | a | 1.13 | 0.43 | 1.90 | 0.36 | 0.00 | 0.00 | 0.22 | 1.78 | 0.33 | 0.30 | 7.40 | ||||||||||||
1958 | 0.63 | 1.28 | 0.90 | 1.47 | 0.49 | 2.15 | 0.69 | 0.48 | 0.07 | 0.00 | 0.47 | 0.25 | 8.88 | |||||||||||||
1959 | 0.50 | 0.96 | 0.23 | 0.26 | 0.42 | 0.07 | 0.04 | 0.23 | 0.30 | 0.02 | 0.00 | 0.25 | 3.28 | |||||||||||||
1960 | 0.42 | 0.64 | 0.42 | 0.87 | 0.25 | 0.00 | 0.29 | 0.45 | 0.43 | 0.06 | 1.40 | 0.54 | 5.77 | |||||||||||||
1961 | 0.11 | 0.50 | 0.55 | 0.14 | 0.43 | 0.22 | 0.43 | 0.92 | 0.58 | 0.56 | 0.70 | 0.74 | 5.88 | |||||||||||||
1962 | 0.51 | 3.17 | 0.89 | 0.42 | 0.47 | 0.44 | 0.01 | 0.29 | 0.01 | 0.11 | 0.24 | 0.24 | 6.80 | |||||||||||||
1963 | 0.74 | 0.86 | 0.68 | 0.81 | 2.27 | 1.18 | 0.00 | 0.01 | 0.58 | 0.72 | 0.97 | 0.56 | 9.38 | |||||||||||||
1964 | 0.63 | 0.09 | 0.28 | 1.30 | 0.80 | 1.71 | 0.27 | 0.11 | 0.40 | 0.30 | 0.71 | 1.37 | 7.97 | |||||||||||||
1965 | 0.55 | 0.26 | 0.29 | 1.37 | 1.66 | 1.63 | 0.08 | 1.63 | 0.00 | 0.25 | 1.34 | 0.39 | 9.45 | |||||||||||||
1966 | 0.19 | 0.72 | 0.15 | 0.56 | 0.19 | 0.30 | 0.05 | 0.06 | 0.37 | 0.02 | 0.75 | 0.94 | 4.30 | |||||||||||||
1967 | 0.70 | 0.16 | 0.95 | 1.42 | 0.44 | 2.18 | 2.17 | 0.08 | 0.25 | 0.05 | 0.79 | 0.21 | 9.40 | |||||||||||||
1968 | 0.66 | 0.58 | 0.31 | 0.19 | 0.45 | 0.73 | 0.08 | 1.72 | 0.02 | 0.23 | 1.55 | 0.50 | 7.02 | |||||||||||||
1969 | 2.03 | 1.60 | 0.25 | 1.27 | 0.43 | 0.91 | 0.00 | 0.00 | 0.00 | 1.48 | 0.20 | 1.95 | 10.12 | |||||||||||||
1970 | 1.16 | 0.08 | 0.31 | 0.50 | 0.45 | 2.07 | 0.99 | 0.30 | 0.03 | 0.26 | 0.81 | 0.87 | 7.83 | |||||||||||||
1971 | 0.09 | 0.20 | 0.48 | 1.03 | 2.98 | 0.78 | 0.08 | 0.15 | 0.21 | 0.26 | 0.77 | 1.54 | 8.57 | |||||||||||||
1972 | 0.18 | 0.38 | 0.00 | 0.47 | 0.02 | 1.80 | 0.01 | 0.03 | 0.87 | 0.74 | 1.23 | 0.38 | 6.11 | |||||||||||||
1973 | 1.33 | 0.64 | 1.08 | 0.88 | 0.79 | 0.72 | 0.05 | 0.08 | 0.20 | 0.52 | 0.60 | 1.05 | 7.94 | |||||||||||||
1974 | 0.63 | 0.22 | 0.76 | 1.16 | 0.01 | 0.00 | 0.88 | 0.51 | 0.00 | 1.68 | 0.08 | 1.40 | 7.33 | |||||||||||||
1975 | 0.44 | 0.95 | 1.20 | 0.89 | 0.36 | 1.60 | 0.00 | 0.46 | 0.16 | 1.55 | 0.01 | 0.37 | 7.99 | |||||||||||||
1976 | 0.60 | 0.47 | 0.10 | 0.54 | 0.02 | 1.03 | 0.85 | 2.43 | 2.16 | 1.05 | 0.08 | 0.00 | 9.33 | |||||||||||||
1977 | 0.72 | 0.33 | 0.17 | 0.08 | 2.32 | 0.94 | 0.41 | 0.29 | 0.11 | 0.00 | 0.72 | 1.30 | 7.39 | |||||||||||||
1978 | 1.02 | 0.54 | 2.21 | 3.20 | 0.17 | 0.08 | 0.10 | 0.00 | 1.24 | 0.00 | 0.55 | 0.38 | 9.49 | |||||||||||||
1979 | 0.28 | 1.03 | 1.14 | 1.23 | 0.29 | 0.15 | 1.13 | 1.42 | 0.00 | 0.57 | 0.63 | 0.65 | 8.52 | |||||||||||||
1980 | 1.66 | 0.79 | 0.55 | 0.15 | 1.07 | 0.77 | 0.21 | 0.50 | 0.84 | 0.08 | 0.48 | 0.26 | 7.36 | |||||||||||||
1981 | 1.18 | 0.18 | 0.97 | 0.54 | 2.37 | 0.00 | 0.06 | 0.01 | 0.18 | 1.73 | 1.13 | 0.45 | 8.80 | |||||||||||||
1982 | 0.60 | a | 0.28 | 1.93 | 0.36 | 0.05 | 2.08 | 0.48 | 0.00 | 1.06 | 1.38 | 1.15 | 0.51 | 9.88 | ||||||||||||
1983 | 1.57 | 1.00 | 1.64 | 1.18 | 0.64 | 0.98 | 0.09 | 2.10 | 1.23 | 1.16 | 1.47 | 3.17 | a | 16.23 | ||||||||||||
1984 | 0.30 | 0.66 | 0.73 | 0.73 | 0.57 | 0.27 | 1.03 | 0.14 | 0.08 | 2.12 | 1.51 | 0.32 | 8.46 | |||||||||||||
1985 | 0.64 | 0.34 | 0.81 | 0.12 | 0.32 | 0.11 | 0.19 | 0.03 | 0.68 | 0.44 | 2.14 | 1.15 | 6.97 | |||||||||||||
1986 | 0.41 | 1.07 | 0.45 | 0.79 | 0.10 | 0.14 | 0.07 | 0.14 | 0.54 | 0.00 | 0.10 | 0.01 | 3.82 | |||||||||||||
1987 | 0.55 | 1.92 | 1.72 | 1.43 | 2.26 | 1.06 | a | 0.17 | a | 0.00 | 0.00 | a | 0.96 | 0.63 | h | 0.41 | 10.48 | a | ||||||||
1988 | 1.25 | 0.37 | 0.45 | 2.61 | 1.30 | 0.51 | 0.23 | 0.09 | 0.35 | 0.03 | 1.38 | 0.68 | 9.25 | |||||||||||||
1989 | 0.14 | 0.41 | 0.62 | 0.07 | 1.22 | 0.35 | 0.00 | 0.55 | 1.28 | ----- | z | 0.00 | m | 0.00 | 4.64 | b | ||||||||||
1990 | 0.30 | 0.69 | 0.42 | 3.37 | 1.45 | 0.10 | 0.25 | 0.18 | 0.63 | 0.00 | a | 0.35 | 0.76 | 8.50 | ||||||||||||
1991 | 0.35 | 0.60 | 2.15 | 0.21 | 2.37 | 0.55 | 0.08 | 0.45 | 0.72 | 0.31 | 0.47 | 0.78 | 9.04 | |||||||||||||
1992 | 0.28 | 0.87 | 1.71 | 0.07 | 0.25 | 1.39 | 0.05 | 0.12 | 0.00 | 0.96 | p | 0.42 | 1.37 | 6.53 | a | |||||||||||
1993 | 1.54 | 0.70 | 1.12 | 0.54 | 0.22 | 2.13 | 0.02 | 0.02 | h | 0.07 | 0.95 | 0.00 | k | 0.55 | 7.84 | b | ||||||||||
1994 | 0.09 | 0.72 | 0.26 | 1.45 | 1.28 | 0.00 | 0.00 | 0.00 | 0.36 | 0.54 | 1.87 | 0.84 | 7.41 | |||||||||||||
1995 | 1.50 | 0.79 | 2.06 | 0.85 | 2.21 | 1.71 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 9.12 | b | ||||||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | r | 0.54 | 0.20 | 0.64 | 1.09 | 2.05 | c | 4.52 | g | ||||
1997 | 2.35 | 0.26 | 0.12 | 0.74 | 0.10 | 1.23 | 0.07 | 0.00 | 0.34 | 0.33 | 0.63 | a | 0.66 | e | 6.83 | |||||||||||
1998 | 1.28 | 2.61 | 2.15 | 1.65 | 3.88 | 2.70 | 0.51 | 0.00 | 2.63 | 1.99 | 0.67 | h | 0.84 | g | 19.40 | b | ||||||||||
1999 | 0.64 | 0.27 | 0.22 | 0.59 | b | 0.16 | b | 1.70 | c | 0.00 | 0.00 | 0.00 | 0.11 | 0.13 | 0.03 | f | 3.82 | a | ||||||||
2000 | 1.92 | b | 1.77 | 0.55 | 2.24 | 1.65 | 0.00 | 0.00 | 0.48 | 0.58 | 1.62 | 0.26 | 0.11 | 11.18 | ||||||||||||
2001 | 0.81 | 0.59 | 0.38 | 0.74 | 0.06 | 0.00 | 0.86 | 0.00 | 0.00 | e | 0.12 | 1.00 | e | 0.82 | h | 4.56 | a | |||||||||
2002 | 0.92 | 0.71 | 0.42 | 0.25 | 0.43 | 0.25 | 0.39 | 0.00 | 0.30 | f | 0.05 | i | 0.75 | c | 0.75 | e | 4.87 | b | ||||||||
2003 | 0.85 | 0.30 | 0.14 | 1.25 | 1.77 | 0.12 | 0.75 | f | 0.72 | ----- | z | 0.00 | 0.86 | 1.90 | 7.91 | b | ||||||||||
2004 | 0.64 | 1.01 | d | 0.26 | 0.07 | 0.36 | 0.65 | 0.18 | 0.85 | ----- | z | 1.95 | q | 1.16 | 0.60 | 5.78 | b | |||||||||
2005 | 0.87 | 0.76 | 1.57 | 0.21 | 2.91 | 0.28 | ----- | z | 0.00 | 0.30 | ----- | z | 0.02 | h | 1.73 | j | 6.90 | d | ||||||||
2006 | 2.25 | 0.06 | q | 0.68 | 2.27 | 0.68 | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.22 | 0.50 | 6.60 | d | ||||||||
2007 | 0.20 | 0.70 | 0.10 | 1.30 | 0.40 | 0.20 | 0.00 | 0.30 | 0.40 | s | ----- | z | 0.90 | 0.60 | c | 4.70 | b | |||||||||
2008 | 0.40 | e | 0.40 | 0.00 | 0.10 | a | 1.40 | 0.10 | 0.00 | 0.00 | 0.00 | 0.12 | 1.08 | 1.10 | 4.70 | |||||||||||
2009 | 0.80 | 0.14 | b | 0.08 | 0.64 | 0.69 | 2.32 | 0.00 | 0.00 | 0.00 | 0.58 | 0.25 | 1.10 | 6.60 | ||||||||||||
2010 | 0.70 | c | 0.18 | j | 0.00 | h | 2.14 | 2.23 | 0.04 | 0.09 | 0.08 | 0.04 | 1.86 | 0.15 | a | 1.76 | d | 9.09 | b | |||||||
2011 | 0.00 | 0.00 | 1.50 | w | ----- | z | 1.01 | 0.26 | 0.00 | 0.00 | a | 0.44 | 0.55 | 0.32 | 0.10 | 2.68 | b | |||||||||
2012 | 1.15 | 0.25 | 0.79 | 0.80 | 0.10 | 0.03 | 0.49 | 0.18 | 0.06 | 0.41 | 0.42 | 1.12 | 5.80 | |||||||||||||
2013 | 0.14 | 0.07 | 0.36 | 0.38 | 1.14 | 0.00 | 0.31 | 0.57 | 0.26 | 1.27 | 0.44 | 0.28 | 5.22 | |||||||||||||
2014 | 0.22 | 1.46 | 0.97 | 0.52 | 1.33 | 0.22 | 0.83 | 0.58 | 0.38 | 0.02 | 1.11 | 0.69 | 8.33 | |||||||||||||
2015 | 0.61 | 1.31 | 0.06 | 1.21 | 2.61 | 2.68 | 0.90 | 0.13 | 0.06 | 1.63 | 1.32 | 0.57 | 13.09 | |||||||||||||
2016 | 1.40 | 0.08 | 0.70 | 1.12 | 0.95 | 0.00 | 0.00 | 0.00 | 0.03 | 1.93 | 0.43 | 1.55 | 8.19 | |||||||||||||
2017 | 3.78 | 1.42 | 0.59 | 0.75 | 0.37 | 1.14 | 0.46 | 0.39 | 0.48 | 0.00 | 0.55 | 0.00 | 9.93 | |||||||||||||
2018 | 0.89 | 0.41 | 3.53 | 1.68 | 0.84 | 0.28 | 0.00 | 0.00 | 0.00 | 0.50 | 0.53 | 1.34 | 10.00 | |||||||||||||
2019 | 1.04 | 1.68 | 1.07 | 0.86 | 2.69 | 0.00 | 0.00 | 0.00 | 1.18 | 0.06 | 0.16 | 1.16 | 9.90 | |||||||||||||
2020 | 0.10 | 0.00 | 0.51 | 0.23 | 0.57 | 0.95 | 0.06 | 0.14 | 0.08 | 0.00 | 1.40 | 0.56 | 4.60 | |||||||||||||
2021 | 1.76 | 0.95 | 0.88 | 0.12 | 0.79 | 0.06 | 0.11 | 0.00 | 0.00 | w | 2.56 | o | 0.09 | 1.48 | 6.24 | b | ||||||||||
2022 | 0.00 | 0.20 | 0.83 | 0.34 | 0.19 | 0.27 | 0.21 | 0.42 | 0.41 | 0.13 | 0.27 | 3.00 | 6.27 | |||||||||||||
2023 | 1.26 | 0.19 | 1.62 | 0.12 | 1.03 | 0.36 | 0.00 | 2.99 | 0.00 | a | 0.00 | 0.00 | 0.00 | 7.57 | ||||||||||||
2024 | ----- | z | 2.12 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.12 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.82 | 0.70 | 0.76 | 0.82 | 1.01 | 0.73 | 0.28 | 0.32 | 0.37 | 0.62 | 0.68 | 0.76 | 7.73 | |||||||||||||
S.D. | 0.68 | 0.62 | 0.65 | 0.71 | 0.86 | 0.76 | 0.38 | 0.55 | 0.48 | 0.64 | 0.48 | 0.61 | 2.32 | |||||||||||||
SKEW | 1.51 | 1.57 | 1.49 | 1.59 | 0.99 | 0.97 | 2.15 | 2.85 | 2.25 | 0.84 | 0.66 | 1.53 | 0.76 | |||||||||||||
MAX | 3.78 | 3.17 | 3.53 | 3.37 | 3.88 | 2.70 | 2.17 | 2.99 | 2.63 | 2.12 | 2.14 | 3.17 | 16.23 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.28 | |||||||||||||
YRS | 87 | 86 | 85 | 86 | 86 | 85 | 84 | 87 | 84 | 81 | 82 | 83 | 64 |