YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.63 | t | 1.73 | 0.19 | 0.35 | ----- | z | |||
1942 | 0.13 | 0.00 | a | 0.45 | 0.85 | 0.55 | 0.23 | 0.89 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 1.50 | 0.54 | 1.98 | 0.82 | 1.10 | 0.36 | 0.00 | 0.05 | ----- | z | ||||||||
1949 | 0.52 | 0.13 | 0.52 | 1.02 | 0.30 | 1.65 | 1.26 | 0.45 | 2.13 | a | 0.23 | 0.00 | 0.33 | 2.13 | a | |||||||||||
1950 | 0.05 | 0.00 | 0.02 | 1.40 | 0.20 | 1.68 | 1.36 | 1.65 | 2.09 | 0.15 | 0.00 | 0.00 | 2.09 | |||||||||||||
1951 | 0.08 | 0.03 | 0.31 | 0.03 | 1.72 | 0.19 | 0.95 | 0.56 | 0.05 | 0.18 | 0.03 | 0.00 | 1.72 | |||||||||||||
1952 | 0.06 | 0.21 | 0.06 | 0.23 | 0.82 | 0.01 | 0.57 | 0.44 | 1.20 | 0.00 | 0.68 | 0.00 | 1.20 | |||||||||||||
1953 | 0.00 | 0.32 | 0.06 | 0.42 | 1.35 | 0.29 | 0.66 | 0.28 | 1.18 | 1.22 | a | 0.06 | 0.13 | 1.35 | a | |||||||||||
1954 | 0.00 | 0.00 | 0.00 | 0.95 | 1.67 | 0.56 | 0.00 | 1.18 | 0.78 | 1.11 | 0.09 | 0.14 | 1.67 | |||||||||||||
1955 | 0.09 | 0.00 | a | 0.10 | 0.79 | 0.74 | 0.06 | 1.39 | 0.67 | 1.88 | 1.23 | a | 0.19 | 0.00 | 1.88 | b | ||||||||||
1956 | 0.01 | 0.16 | a | 0.00 | 0.19 | 0.83 | 0.11 | 0.08 | 0.20 | 0.19 | 1.09 | 0.00 | 0.25 | 1.09 | a | |||||||||||
1957 | 0.04 | 0.37 | 0.21 | 0.40 | 0.87 | 0.55 | 0.41 | 2.28 | 0.62 | 0.67 | 0.17 | 0.00 | 2.28 | |||||||||||||
1958 | 0.68 | 0.68 | 0.42 | 0.31 | 0.22 | 0.41 | 0.83 | 1.56 | 2.01 | 0.92 | 0.00 | u | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | 0.00 | s | 0.00 | q | ----- | z | ----- | z | ----- | z | 1.29 | y | 0.00 | x | 0.00 | y | 0.00 | x | ----- | z | 0.11 | x | 0.00 | t | ----- | z |
2001 | ----- | z | 0.02 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.03 | y | ----- | z | ----- | z |
2002 | ----- | z | 0.00 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.54 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | ||
2011 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.09 | 2.00 | 0.67 | 0.00 | 0.72 | 2.00 | |||||||||||||
2012 | ----- | z | ----- | z | ----- | z | ----- | z | 0.44 | 0.00 | a | 0.33 | b | 0.12 | 0.28 | 0.00 | 0.00 | a | 0.23 | ----- | z | |||||
2013 | 0.83 | 0.25 | 0.05 | 0.00 | 0.25 | 0.93 | 0.03 | 0.04 | 0.05 | 0.01 | 0.95 | 0.21 | 0.95 | |||||||||||||
2014 | 0.00 | 0.47 | 0.02 | 0.03 | 0.03 | 0.08 | a | 0.05 | 0.11 | 0.56 | 0.06 | 0.77 | 0.10 | 0.77 | a | |||||||||||
2015 | 0.20 | 0.25 | 0.23 | 0.32 | 0.22 | 1.77 | 0.16 | 0.32 | 0.07 | 1.72 | 0.14 | 3.63 | a | 3.63 | a | |||||||||||
2016 | 0.00 | 0.33 | 0.03 | a | 0.00 | 0.12 | 0.07 | 0.00 | 0.90 | 0.35 | 0.00 | 0.38 | 0.39 | 0.90 | a | |||||||||||
2017 | 0.77 | 0.00 | 0.01 | 2.02 | 0.01 | 0.07 | 1.41 | 0.61 | 0.62 | 0.16 | 0.03 | 0.03 | 2.02 | |||||||||||||
2018 | 0.00 | a | 0.03 | 0.03 | 0.00 | 0.62 | 1.22 | 0.65 | 0.50 | 0.58 | 0.47 | 0.00 | 0.23 | 1.22 | a | |||||||||||
2019 | 0.01 | 0.00 | 0.13 | 0.14 | 0.00 | 1.23 | 0.09 | 0.00 | 0.22 | 0.51 | a | 0.35 | 0.43 | 1.23 | a | |||||||||||
2020 | 0.06 | 0.05 | 0.87 | 0.00 | 0.00 | 0.25 | 0.90 | 0.33 | 0.42 | 0.01 | 0.02 | 0.00 | 0.90 | |||||||||||||
2021 | 0.10 | 0.00 | 0.00 | 0.19 | 0.34 | 0.64 | 0.81 | 0.38 | 0.24 | 0.18 | 0.05 | 0.12 | 0.81 | |||||||||||||
2022 | 0.01 | 0.00 | 0.01 | 0.00 | 0.16 | 1.52 | 0.00 | 1.05 | 0.02 | 0.52 | 0.12 | 0.05 | 1.52 | |||||||||||||
2023 | 0.01 | 0.01 | 0.00 | 0.25 | 0.32 | 0.50 | 0.38 | 0.82 | 0.09 | 0.24 | 0.01 | 0.03 | 0.82 | |||||||||||||
2024 | 0.00 | 0.00 | 0.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.15 | 0.14 | 0.15 | 0.41 | 0.53 | 0.58 | 0.61 | 0.64 | 0.78 | 0.54 | 0.17 | 0.30 | 1.53 | |||||||||||||
S.D. | 0.26 | 0.19 | 0.22 | 0.53 | 0.53 | 0.59 | 0.56 | 0.57 | 0.74 | 0.54 | 0.26 | 0.72 | 0.69 | |||||||||||||
SKEW | 1.78 | 1.35 | 1.86 | 1.59 | 1.04 | 0.87 | 0.67 | 1.28 | 0.80 | 0.89 | 1.84 | 4.25 | 1.28 | |||||||||||||
MAX | 0.83 | 0.68 | 0.87 | 2.02 | 1.72 | 1.77 | 1.98 | 2.28 | 2.13 | 1.73 | 0.95 | 3.63 | 3.63 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.77 | |||||||||||||
YRS | 24 | 24 | 24 | 23 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 21 |