YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.24 | 0.80 | 0.36 | 0.40 | 0.33 | 0.34 | ----- | z | ||||||
1935 | 0.50 | 0.30 | 0.18 | 0.46 | 0.53 | 0.75 | 0.40 | 0.02 | 0.15 | 0.33 | 0.33 | 0.60 | 0.75 | |||||||||||||
1936 | 0.85 | 0.39 | 0.10 | 0.40 | 0.42 | 0.25 | 0.04 | 0.02 | 0.49 | 0.03 | 0.37 | 0.40 | 0.85 | |||||||||||||
1937 | 0.34 | a | 0.28 | 0.30 | 0.56 | 0.26 | 0.64 | 0.65 | 0.08 | 0.44 | 0.37 | 0.68 | 0.22 | 0.68 | a | |||||||||||
1938 | 0.35 | 1.15 | 0.45 | 0.48 | 0.21 | 1.30 | 0.42 | 0.01 | 0.24 | 0.46 | 0.44 | 0.18 | 1.30 | |||||||||||||
1939 | 0.20 | 0.25 | 0.20 | 0.04 | 0.69 | 0.38 | 0.30 | 0.18 | 0.44 | 0.43 | 0.05 | 0.76 | 0.76 | |||||||||||||
1940 | 0.64 | 0.33 | 1.02 | 0.50 | 0.13 | 0.17 | 0.15 | 0.00 | 0.70 | 0.65 | 0.45 | a | 0.45 | a | 1.02 | b | ||||||||||
1941 | 0.25 | 0.23 | 0.21 | 0.38 | 0.59 | 0.72 | 0.57 | 0.86 | 0.55 | 0.42 | 0.77 | 0.50 | 0.86 | |||||||||||||
1942 | 0.82 | s | 0.38 | 0.16 | 0.13 | 1.40 | 0.84 | 0.11 | 0.28 | 0.50 | 0.25 | 0.61 | 0.61 | 1.40 | s | |||||||||||
1943 | 0.77 | 0.27 | 0.42 | 0.50 | 0.21 | 0.36 | 0.13 | 0.64 | 0.00 | 0.91 | 0.44 | 0.30 | a | 0.91 | a | |||||||||||
1944 | 0.18 | b | 0.30 | a | 0.09 | a | 0.42 | 0.34 | 1.05 | 0.40 | 0.10 | 0.18 | 0.36 | 0.56 | 0.25 | 1.05 | d | |||||||||
1945 | 0.45 | 0.17 | 0.19 | 0.09 | 1.28 | 0.00 | 0.05 | 0.15 | 0.35 | 0.63 | 0.60 | 1.50 | 1.50 | |||||||||||||
1946 | 0.25 | 0.10 | a | 0.51 | 0.17 | 0.35 | ----- | z | 0.08 | 0.55 | 0.13 | 0.32 | b | 0.25 | 0.25 | ----- | z | |||||||||
1947 | 0.18 | 0.35 | 0.50 | 0.55 | 0.60 | 0.60 | 0.67 | 0.20 | 0.28 | 1.15 | 0.55 | 0.34 | 1.15 | |||||||||||||
1948 | 0.43 | 0.40 | 0.77 | 0.52 | 0.70 | 0.75 | 0.70 | 0.43 | 0.67 | 0.14 | 0.24 | a | 0.84 | 0.84 | a | |||||||||||
1949 | 0.20 | 0.26 | 0.22 | 0.16 | 0.30 | 0.02 | 0.00 | 0.00 | 0.06 | 0.00 | 1.00 | a | 0.18 | 1.00 | a | |||||||||||
1950 | 0.60 | 0.12 | 1.50 | 0.55 | 0.15 | 1.00 | 0.05 | 0.33 | 0.35 | 1.90 | 0.45 | 0.45 | 1.90 | |||||||||||||
1951 | 0.70 | 0.40 | 0.30 | 0.40 | 0.70 | 0.33 | 0.70 | 0.05 | 0.32 | 1.20 | 0.50 | 0.41 | a | 1.20 | a | |||||||||||
1952 | 0.32 | 0.70 | d | 0.40 | 0.10 | 0.28 | 0.75 | 0.00 | 1.00 | 0.55 | 0.00 | 0.25 | 0.33 | a | 1.00 | e | ||||||||||
1953 | 0.50 | 0.40 | 0.35 | a | 0.65 | 0.47 | 0.70 | b | 0.00 | 0.50 | 0.03 | 0.25 | 1.20 | 0.70 | a | 1.20 | d | |||||||||
1954 | 0.66 | 0.17 | 0.28 | 0.10 | 1.09 | 0.65 | 0.00 | 0.30 | 1.31 | 0.25 | 0.16 | 0.18 | 1.31 | |||||||||||||
1955 | 0.25 | 0.20 | a | 0.25 | 0.25 | 0.70 | 0.40 | 0.20 | 0.00 | 0.18 | 0.62 | 0.75 | 0.58 | 0.75 | a | |||||||||||
1956 | 0.70 | 1.40 | 0.10 | a | 0.02 | a | 0.95 | a | 0.42 | 0.04 | 0.07 | 0.07 | 0.75 | a | 0.20 | 0.10 | 1.40 | d | ||||||||
1957 | 0.20 | 0.30 | 0.60 | 0.30 | 1.70 | 0.20 | 0.30 | 0.00 | 1.12 | 0.38 | 0.11 | 0.78 | 1.70 | |||||||||||||
1958 | 0.63 | 0.45 | 0.15 | 0.16 | 0.53 | 1.70 | 0.20 | 0.04 | 0.25 | 0.12 | 0.60 | 0.39 | 1.70 | |||||||||||||
1959 | 0.40 | 0.70 | 0.34 | 0.23 | 0.62 | 0.22 | 0.15 | 0.12 | 1.02 | 0.32 | a | 0.35 | 0.24 | 1.02 | a | |||||||||||
1960 | 0.50 | 1.08 | 0.50 | 0.50 | 0.51 | 0.13 | 0.22 | 0.19 | 0.19 | 0.27 | 0.90 | 0.30 | 1.08 | |||||||||||||
1961 | 0.33 | 0.60 | 0.35 | 0.50 | 0.60 | a | 0.38 | 0.05 | 0.15 | 0.00 | 0.50 | 1.77 | 0.38 | 1.77 | a | |||||||||||
1962 | 0.14 | 0.47 | 0.16 | 0.30 | 1.20 | 0.20 | 0.05 | 0.74 | 0.30 | 0.57 | 0.30 | a | 0.80 | 1.20 | a | |||||||||||
1963 | 0.70 | 0.40 | b | 1.13 | 0.56 | 0.70 | 0.38 | 0.36 | 0.10 | 0.78 | 0.35 | 1.03 | 0.31 | 1.13 | b | |||||||||||
1964 | 0.45 | 0.11 | 0.21 | 0.06 | 0.03 | ----- | z | 0.19 | 0.10 | 0.12 | 0.23 | 0.35 | 1.70 | ----- | z | |||||||||||
1965 | 0.67 | 0.11 | ----- | z | 0.46 | 0.23 | 1.40 | 0.07 | 0.54 | 0.08 | 0.09 | 0.56 | 0.05 | ----- | z | |||||||||||
1966 | 0.47 | 0.26 | 0.30 | 0.00 | 0.10 | 0.19 | 0.51 | 0.00 | 0.45 | 0.17 | 0.66 | 0.86 | 0.86 | |||||||||||||
1967 | 0.45 | 0.00 | 0.18 | 0.85 | 0.22 | 0.26 | 0.00 | 0.00 | 0.26 | 0.51 | 0.21 | 0.13 | 0.85 | |||||||||||||
1968 | 0.28 | 0.39 | 0.17 | 0.17 | 0.70 | 0.28 | 0.23 | 0.67 | 0.13 | 0.38 | 0.74 | 0.69 | 0.74 | |||||||||||||
1969 | 0.38 | 0.20 | 0.47 | 0.22 | 0.60 | 1.22 | 0.09 | 0.00 | 0.57 | 0.38 | 0.33 | 0.41 | 1.22 | |||||||||||||
1970 | 0.55 | 0.28 | 0.23 | 0.10 | 0.33 | 0.68 | 0.00 | 0.04 | 0.13 | 0.40 | 0.52 | 0.15 | 0.68 | |||||||||||||
1971 | 0.62 | 0.08 | 0.36 | 0.30 | 1.33 | 0.25 | 0.20 | 0.52 | 0.30 | 0.30 | 0.78 | 0.57 | 1.33 | |||||||||||||
1972 | 0.80 | 0.18 | 0.53 | 0.15 | 0.60 | 1.13 | 0.00 | 0.19 | 0.31 | 0.30 | 0.16 | a | 0.38 | 1.13 | a | |||||||||||
1973 | 0.22 | 0.31 | 0.20 | 0.78 | 0.53 | 0.00 | 0.05 | 0.10 | 0.50 | 0.62 | 1.03 | 0.26 | 1.03 | |||||||||||||
1974 | 0.86 | 0.10 | 0.40 | 0.17 | 0.13 | 0.06 | 0.14 | 0.00 | 0.00 | 0.27 | a | 0.38 | 1.05 | 1.05 | a | |||||||||||
1975 | 0.54 | a | 0.32 | 0.84 | 0.06 | 0.10 | a | 0.43 | 0.48 | 0.78 | 0.00 | 0.40 | 0.10 | 0.37 | 0.84 | b | ||||||||||
1976 | 0.67 | 0.28 | 0.12 | 0.60 | 0.22 | 0.25 | 0.00 | 1.02 | 0.12 | 0.12 | 0.23 | 0.12 | 1.02 | |||||||||||||
1977 | 0.28 | 0.30 | 0.04 | 0.03 | 1.66 | 0.06 | 0.00 | 0.50 | 0.32 | 0.16 | 1.00 | 1.20 | 1.66 | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | 1.49 | 0.15 | 0.43 | 0.42 | 0.44 | 0.50 | 0.00 | ----- | z | ----- | z | ----- | z | |||||||
1979 | 0.71 | 0.93 | 0.20 | 0.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.47 | 0.38 | 0.46 | ----- | z | |||||||
1980 | 1.98 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.26 | 0.78 | 0.73 | ----- | z | ||||
1981 | 0.62 | 0.50 | 0.37 | 0.20 | g | 0.72 | 0.40 | 0.09 | ----- | z | 1.63 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1982 | 0.60 | h | 0.45 | ----- | z | 0.33 | i | ----- | z | 0.92 | b | 0.52 | a | 0.51 | a | 1.52 | a | 0.39 | j | 0.20 | 0.37 | a | ----- | z | ||
1983 | 0.53 | c | 0.42 | d | 0.90 | d | 0.25 | 0.81 | 0.56 | 0.55 | 1.33 | b | 0.20 | k | 0.80 | b | 0.60 | a | 0.73 | c | ----- | z | ||||
1984 | 0.36 | 0.68 | a | 0.25 | d | 0.22 | c | 0.45 | 0.39 | 0.16 | a | 0.12 | 0.00 | 0.43 | a | 2.75 | 0.10 | c | 2.75 | m | ||||||
1985 | 0.10 | a | 0.25 | d | 0.20 | ----- | z | 1.17 | 0.32 | d | 0.08 | 0.07 | 0.25 | 0.35 | 0.35 | c | 0.30 | ----- | z | |||||||
1986 | 0.50 | k | 0.61 | a | 0.30 | 0.08 | 0.21 | a | 0.00 | 0.00 | 0.10 | a | 0.50 | a | 0.40 | 0.62 | 0.20 | 0.62 | o | |||||||
1987 | ----- | z | 0.70 | a | 0.25 | 0.14 | d | 0.69 | 0.25 | 0.60 | c | 0.19 | c | 0.08 | a | 0.00 | 0.25 | b | 0.60 | ----- | z | |||||
1988 | 0.63 | 0.16 | 0.10 | a | 0.80 | a | 0.26 | a | 0.36 | 0.00 | 0.15 | 0.00 | b | 0.00 | 0.60 | b | 0.43 | 0.80 | g | |||||||
1989 | 0.90 | 0.10 | b | 0.45 | b | 0.70 | 0.25 | a | 0.25 | 0.25 | b | 0.45 | 0.00 | 0.50 | 0.10 | 0.40 | 0.90 | g | ||||||||
1990 | 0.70 | 0.12 | 0.60 | e | ----- | z | 0.58 | a | 0.33 | 1.00 | 0.95 | 0.00 | 0.20 | 0.25 | 0.20 | a | ----- | z | ||||||||
1991 | 0.29 | ----- | z | ----- | z | ----- | z | 0.44 | e | 0.37 | 0.40 | b | 0.10 | 0.00 | 0.25 | a | 0.47 | c | 0.50 | ----- | z | |||||
1992 | 0.55 | c | 0.25 | a | 0.25 | t | 0.65 | b | ----- | z | 1.10 | b | ----- | z | 0.20 | 0.00 | g | 0.76 | 0.50 | 0.60 | a | ----- | z | |||
1993 | 0.30 | 0.20 | b | 0.45 | a | 0.20 | 0.80 | a | 0.35 | a | 0.24 | 1.04 | 0.00 | 0.15 | 0.80 | 0.20 | a | 1.04 | f | |||||||
1994 | 0.30 | 0.15 | b | 0.30 | 0.65 | 0.32 | 0.30 | a | 0.00 | 0.00 | 0.25 | 0.60 | 0.60 | 0.62 | 0.65 | c | ||||||||||
1995 | 0.55 | 0.40 | 0.27 | 0.82 | 0.33 | 1.10 | 1.10 | 0.00 | 0.45 | 0.40 | 0.48 | 0.83 | a | 1.10 | a | |||||||||||
1996 | 0.35 | b | 0.60 | 0.24 | 0.31 | 0.40 | ----- | z | 0.12 | 0.04 | 0.38 | 0.15 | 2.10 | 0.53 | ----- | z | ||||||||||
1997 | 0.41 | 0.17 | 0.66 | 0.45 | 0.17 | 0.53 | 0.35 | 0.31 | a | 0.22 | 0.30 | 0.32 | 0.21 | 0.66 | a | |||||||||||
1998 | 0.66 | 0.29 | 0.33 | 0.28 | 1.26 | 0.56 | 0.70 | 0.15 | 0.13 | 0.12 | a | 1.04 | 0.49 | 1.26 | a | |||||||||||
1999 | 0.50 | 0.67 | b | 0.55 | 0.22 | a | 0.17 | b | 0.13 | 0.14 | c | 0.39 | 0.00 | 1.38 | a | 0.46 | 0.15 | 1.38 | i | |||||||
2000 | 0.52 | 0.34 | a | 0.90 | 0.20 | 0.20 | a | 0.10 | 0.13 | 0.02 | 0.19 | 0.41 | 0.25 | 0.16 | 0.90 | b | ||||||||||
2001 | 0.08 | a | 0.19 | 0.17 | a | 0.47 | 0.78 | ----- | z | 0.22 | 0.18 | 0.24 | 0.30 | 1.05 | b | 0.15 | b | ----- | z | |||||||
2002 | 0.12 | ----- | z | 0.10 | 0.38 | 0.13 | a | 0.18 | b | 0.15 | a | 0.36 | ----- | z | 0.29 | 0.19 | 0.41 | a | ----- | z | ||||||
2003 | 0.50 | a | 0.32 | 0.37 | 0.42 | 0.53 | b | 0.04 | a | 0.06 | 0.36 | 0.26 | 0.28 | 0.35 | 0.62 | 0.62 | d | |||||||||
2004 | 0.37 | 0.43 | 0.16 | 0.32 | 0.84 | 0.77 | 0.07 | 0.90 | 0.17 | 0.52 | ----- | z | 0.66 | ----- | z | |||||||||||
2005 | 0.17 | 0.35 | b | 0.26 | 0.55 | 0.82 | 0.22 | 0.19 | 0.05 | 0.13 | 0.90 | ----- | z | 1.08 | ----- | z | ||||||||||
2006 | 0.90 | a | 0.34 | 0.63 | 0.43 | 0.34 | a | 0.52 | 0.07 | 0.51 | 0.06 | 0.22 | 0.66 | a | 0.48 | a | 0.90 | d | ||||||||
2007 | ----- | z | 0.28 | 0.20 | 0.45 | 0.08 | 1.10 | 0.16 | 0.40 | 1.20 | 1.44 | b | 0.48 | 0.12 | ----- | z | ||||||||||
2008 | ----- | z | 0.40 | ----- | z | ----- | z | 0.63 | 0.25 | a | 0.00 | 0.31 | 0.05 | 0.28 | 0.27 | 0.38 | ----- | z | ||||||||
2009 | 0.27 | 0.21 | a | 0.47 | 0.63 | 0.28 | 1.00 | 0.15 | 0.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
2010 | 0.50 | b | 0.20 | a | 0.18 | 0.62 | 0.83 | 0.54 | 0.07 | 0.03 | 0.65 | 0.74 | 0.38 | 0.54 | 0.83 | c | ||||||||||
2011 | 0.14 | 1.16 | 0.32 | g | 0.13 | 0.53 | 0.33 | d | 0.60 | b | 0.30 | 0.00 | 0.38 | 0.20 | 0.47 | 1.16 | m | |||||||||
2012 | 0.42 | 0.16 | 0.40 | 0.32 | 0.75 | b | 0.62 | 0.68 | 0.00 | 0.20 | 0.52 | 0.80 | 0.54 | 0.80 | b | |||||||||||
2013 | 0.28 | 0.00 | 0.15 | 0.90 | 0.39 | 0.55 | 0.02 | 0.55 | c | 0.48 | 0.22 | 0.53 | 0.35 | 0.90 | c | |||||||||||
2014 | 0.33 | 0.67 | 0.38 | 0.49 | 0.26 | 0.27 | 0.24 | 0.46 | 0.34 | 0.30 | 0.62 | 0.40 | 0.67 | |||||||||||||
2015 | 0.26 | 0.33 | 0.25 | 0.31 | 0.52 | 0.08 | 0.31 | 0.11 | 0.04 | x | 0.35 | d | 0.40 | 0.65 | ----- | z | ||||||||||
2016 | 0.45 | 0.10 | 0.34 | 0.10 | 2.40 | 0.40 | 0.35 | d | 0.08 | 0.23 | 0.23 | t | 0.14 | j | 0.69 | ----- | z | |||||||||
2017 | 0.63 | 0.29 | 0.33 | 0.07 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
2018 | 0.22 | 0.20 | 0.59 | 0.24 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.15 | q | 0.20 | 0.63 | 0.29 | 0.16 | i | 0.40 | 0.29 | ----- | z | |||||
2020 | 0.18 | 0.21 | 0.20 | 0.13 | 1.12 | 0.25 | 0.05 | 0.00 | 0.10 | 0.24 | 0.55 | 0.16 | 1.12 | |||||||||||||
2021 | 0.25 | 0.28 | 0.14 | 0.20 | 0.46 | 0.29 | 0.12 | 0.04 | 0.56 | 0.73 | 0.96 | 0.24 | 0.96 | |||||||||||||
2022 | 0.50 | 0.09 | 0.23 | 0.46 | 0.20 | 0.90 | 0.20 | 0.10 | 0.21 | 0.58 | 0.48 | 1.15 | 1.15 | |||||||||||||
2023 | 0.15 | 0.19 | 0.26 | 0.28 | 0.49 | 0.02 | 0.00 | 0.18 | 0.30 | 0.35 | 0.58 | 0.30 | 0.58 | |||||||||||||
2024 | 0.55 | 0.27 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.46 | 0.35 | 0.36 | 0.37 | 0.57 | 0.48 | 0.23 | 0.29 | 0.33 | 0.42 | 0.56 | 0.47 | 1.05 | |||||||||||||
S.D. | 0.27 | 0.26 | 0.26 | 0.25 | 0.42 | 0.37 | 0.24 | 0.31 | 0.34 | 0.33 | 0.42 | 0.31 | 0.31 | |||||||||||||
SKEW | 2.27 | 1.84 | 1.94 | 1.24 | 1.62 | 1.03 | 1.36 | 1.24 | 1.86 | 1.92 | 2.61 | 1.50 | 0.85 | |||||||||||||
MAX | 1.98 | 1.40 | 1.50 | 1.49 | 2.40 | 1.70 | 1.10 | 1.33 | 1.63 | 1.90 | 2.75 | 1.70 | 1.90 | |||||||||||||
MIN | 0.08 | 0.00 | 0.04 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.05 | 0.58 | |||||||||||||
YRS | 82 | 85 | 80 | 79 | 82 | 80 | 85 | 85 | 81 | 83 | 82 | 85 | 53 |