YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 0.83 | 0.00 | 0.65 | a | ----- | z | |||||
1949 | 1.35 | d | 0.52 | 0.25 | 0.00 | 0.63 | c | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | c | 0.48 | 1.35 | j | |||||||||
1950 | 0.61 | 0.57 | 0.52 | 0.48 | 0.05 | 0.00 | 0.02 | 0.00 | 0.00 | 0.02 | 0.39 | 0.00 | 0.61 | |||||||||||||
1951 | 0.67 | 0.30 | 1.05 | 0.59 | 0.38 | 0.00 | 0.29 | 0.40 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.05 | ----- | z | 0.00 | 0.90 | 0.86 | ----- | z | |||||
1979 | 2.32 | 1.12 | 0.79 | 0.00 | 0.04 | ----- | z | 0.83 | 0.24 | ----- | z | ----- | z | 0.32 | 0.15 | ----- | z | |||||||||
1980 | ----- | z | ----- | z | 1.18 | a | 0.26 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | ----- | z | |||||||||
1981 | 0.65 | 1.42 | 1.09 | 0.16 | 0.10 | 0.00 | 0.00 | ----- | z | 0.00 | ----- | z | 0.52 | 0.25 | ----- | z | ||||||||||
1982 | 1.35 | 0.80 | a | 1.98 | 0.77 | 0.13 | 0.07 | 0.00 | 1.49 | c | 0.12 | 0.07 | 1.30 | 0.91 | 1.98 | d | ||||||||||
1983 | 0.77 | 1.20 | 1.50 | 0.73 | 1.65 | c | 0.00 | 0.00 | 0.30 | 0.25 | a | 0.04 | 0.65 | 1.35 | 1.65 | d | ||||||||||
1984 | 0.05 | a | 0.00 | 0.01 | 0.16 | 0.00 | 0.11 | 0.91 | 0.27 | a | 0.27 | 0.15 | 0.50 | 0.88 | 0.91 | b | ||||||||||
1985 | 0.51 | 0.50 | 0.25 | 0.03 | 0.00 | 0.00 | 0.22 | 0.00 | 1.70 | ----- | z | 1.52 | a | 0.26 | ----- | z | ||||||||||
1986 | 0.82 | 1.35 | 1.40 | 0.23 | 0.00 | 0.00 | 0.17 | 0.00 | a | 0.10 | 0.80 | 0.94 | 0.50 | a | 1.40 | b | ||||||||||
1987 | 1.29 | 0.83 | 0.45 | 0.02 | 0.20 | 0.33 | 0.03 | 0.00 | 0.15 | 1.14 | 0.60 | 0.86 | 1.29 | |||||||||||||
1988 | 1.24 | 0.51 | 0.19 | a | 0.76 | 0.09 | ----- | z | 0.00 | a | 0.23 | a | 0.01 | 0.00 | 0.33 | a | 0.67 | ----- | z | |||||||
1989 | 0.92 | 0.47 | 0.66 | 0.21 | c | 0.31 | a | 0.00 | 0.00 | 0.00 | f | 0.26 | 0.21 | 0.01 | 0.17 | 0.92 | j | |||||||||
1990 | 0.99 | a | 0.85 | d | 0.16 | g | 0.57 | 0.51 | 0.23 | 0.00 | a | 0.95 | 0.00 | 0.00 | 0.37 | a | 0.10 | a | 0.99 | o | ||||||
1991 | 0.92 | a | 2.32 | 2.77 | 0.02 | 0.00 | 0.00 | a | 0.00 | 0.01 | 1.10 | 0.22 | 0.14 | 1.20 | 2.77 | b | ||||||||||
1992 | 1.04 | 2.08 | 0.96 | 0.08 | 0.74 | 0.00 | ----- | z | 1.20 | 0.00 | 0.93 | 0.00 | 1.00 | ----- | z | |||||||||||
1993 | 3.07 | 2.00 | 0.42 | 0.00 | 0.03 | 0.85 | 0.00 | 0.00 | 0.00 | 0.37 | 0.32 | 0.37 | 3.07 | |||||||||||||
1994 | 0.55 | 1.15 | 0.95 | a | 0.46 | 0.07 | 0.00 | 0.00 | 0.02 | 0.00 | 0.29 | 0.56 | 0.51 | 1.15 | a | |||||||||||
1995 | 2.50 | c | 1.71 | b | 1.30 | 0.79 | 0.17 | a | 0.54 | 0.10 | 0.75 | 0.13 | 0.00 | 0.03 | 0.08 | 2.50 | f | |||||||||
1996 | 1.17 | 0.81 | 0.61 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 1.90 | 0.64 | a | 1.90 | a | |||||||||||
1997 | 1.40 | 0.00 | 0.00 | 0.05 | 0.00 | 0.03 | 0.05 | 0.00 | 1.81 | 0.00 | 0.29 | 0.67 | 1.81 | |||||||||||||
1998 | 2.10 | 2.21 | ----- | z | 0.24 | a | 1.25 | 0.00 | 0.00 | 0.37 | 0.70 | 0.37 | 0.30 | 0.71 | a | ----- | z | |||||||||
1999 | 0.47 | 0.56 | 0.03 | 0.45 | 0.22 | 0.31 | 0.97 | 0.00 | 0.16 | 0.00 | 0.07 | 0.00 | 0.97 | |||||||||||||
2000 | 0.15 | 1.08 | 0.50 | 0.46 | a | 0.23 | 0.00 | 0.00 | 0.09 | 0.22 | 0.75 | a | 0.00 | 0.00 | 1.08 | b | ||||||||||
2001 | 0.89 | a | 0.63 | b | 0.33 | a | 0.40 | 0.07 | a | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 0.34 | 0.56 | c | 0.89 | h | |||||||
2002 | 0.41 | u | 0.06 | 0.29 | 0.25 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | b | 0.02 | 0.68 | 1.33 | a | ----- | z | ||||||||
2003 | 0.07 | 1.44 | 2.00 | c | 1.55 | c | 0.00 | a | 0.00 | 0.34 | c | 0.06 | 0.00 | 0.00 | 0.78 | 0.47 | 2.00 | j | ||||||||
2004 | 0.14 | 0.80 | 0.00 | b | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.76 | 0.80 | 1.90 | 1.90 | b | |||||||||||
2005 | 2.60 | 1.50 | a | 0.25 | c | 0.47 | 0.12 | 0.00 | 1.50 | b | 0.00 | 0.40 | 0.87 | 0.00 | ----- | z | ----- | z | ||||||||
2006 | 0.00 | 1.80 | y | ----- | z | 2.55 | ----- | z | 0.00 | 0.08 | 0.00 | 0.13 | 0.03 | a | 0.07 | 0.31 | a | ----- | z | |||||||
2007 | 0.13 | 0.76 | 0.20 | c | 0.51 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 0.00 | 0.35 | 2.90 | 2.90 | c | |||||||||||
2008 | 0.85 | 0.39 | 0.30 | 0.00 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.22 | 0.80 | n | 2.00 | n | |||||||||||
2009 | 0.20 | 0.79 | 0.14 | 0.65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.23 | 1.42 | 1.42 | |||||||||||||
2010 | 1.68 | 1.01 | 0.20 | m | 0.42 | 0.20 | 0.00 | 0.00 | 0.00 | 0.02 | 0.29 | 0.15 | 1.91 | 1.91 | m | |||||||||||
2011 | 0.17 | 0.89 | 0.77 | 0.13 | 0.15 | 0.20 | 0.46 | 0.23 | b | 0.20 | 0.46 | a | 0.78 | 0.51 | 0.89 | c | ||||||||||
2012 | 0.26 | 0.85 | 0.46 | 0.38 | 0.04 | 0.00 | 0.05 | 0.05 | k | 0.41 | 0.00 | e | 0.16 | 1.22 | 1.22 | p | ||||||||||
2013 | 0.40 | 0.58 | 0.89 | 0.10 | 0.31 | 0.00 | 0.00 | 0.25 | 0.05 | 0.73 | 0.25 | 0.44 | 0.89 | |||||||||||||
2014 | 0.02 | 0.55 | 1.87 | 0.39 | 0.00 | 0.00 | 0.00 | 0.14 | 0.03 | 0.00 | 0.35 | 2.89 | 2.89 | |||||||||||||
2015 | 0.16 | 0.45 | 0.29 | 0.03 | 0.55 | 0.08 | 1.29 | 0.00 | 1.01 | 0.21 | 0.09 | 0.22 | 1.29 | |||||||||||||
2016 | 1.40 | 0.12 | 0.36 | 0.08 | 0.35 | 0.00 | 0.00 | 0.00 | 0.12 | 0.30 | 0.82 | 1.24 | 1.40 | |||||||||||||
2017 | 1.22 | 0.90 | 0.11 | 0.00 | 0.15 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.13 | 0.00 | 1.22 | |||||||||||||
2018 | 2.25 | 0.43 | 0.67 | 0.00 | 0.18 | 0.00 | 0.30 | 0.00 | 0.00 | 0.51 | 0.69 | 1.00 | 2.25 | |||||||||||||
2019 | 0.75 | 3.48 | 0.45 | 0.38 | 0.59 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 1.21 | 0.96 | 3.48 | |||||||||||||
2020 | 0.14 | 0.13 | 1.55 | 1.09 | 0.04 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.31 | 0.80 | 1.55 | |||||||||||||
2021 | 0.80 | 0.11 | 0.62 | 0.07 | 0.00 | 0.02 | 0.25 | 0.00 | 0.00 | 0.26 | 0.00 | 1.65 | 1.65 | |||||||||||||
2022 | 0.00 | 0.33 | 0.41 | 0.32 | 0.00 | 0.02 | 0.00 | 0.01 | 0.35 | 0.18 | 0.70 | 0.45 | 0.70 | |||||||||||||
2023 | 1.05 | 0.69 | 1.55 | 0.04 | 0.51 | 0.00 | 0.00 | 0.93 | 0.06 | 0.01 | 0.95 | 0.38 | 1.55 | |||||||||||||
2024 | 0.55 | 1.71 | 1.18 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.91 | 0.91 | 0.75 | 0.37 | 0.26 | 0.06 | 0.17 | 0.17 | 0.22 | 0.27 | 0.47 | 0.77 | 1.66 | |||||||||||||
S.D. | 0.76 | 0.70 | 0.63 | 0.45 | 0.42 | 0.16 | 0.35 | 0.34 | 0.40 | 0.38 | 0.44 | 0.67 | 0.76 | |||||||||||||
SKEW | 0.99 | 1.38 | 1.13 | 2.76 | 2.65 | 3.47 | 2.48 | 2.43 | 2.75 | 1.82 | 1.14 | 1.45 | 0.83 | |||||||||||||
MAX | 3.07 | 3.48 | 2.77 | 2.55 | 2.00 | 0.85 | 1.50 | 1.49 | 1.81 | 1.76 | 1.90 | 2.90 | 3.48 | |||||||||||||
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 | 0.61 | |||||||||||||
YRS | 47 | 47 | 45 | 48 | 47 | 47 | 48 | 47 | 48 | 46 | 49 | 47 | 28 |