YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.73 | w | 0.36 | 0.48 | ----- | z | 0.34 | ----- | z | ----- | z | |||
1936 | 0.50 | v | 1.28 | 1.49 | a | 0.47 | v | ----- | z | 0.37 | u | 0.80 | m | 0.55 | 1.02 | v | 0.70 | t | 0.23 | 0.45 | ----- | z | ||||
1937 | 0.62 | 1.30 | u | 0.65 | 0.60 | 1.40 | 0.43 | 1.23 | 0.72 | 0.23 | 0.40 | 0.16 | 0.46 | 1.40 | u | |||||||||||
1938 | 0.25 | 0.49 | m | 1.14 | 0.72 | 0.94 | 0.94 | 0.67 | 0.56 | 0.48 | 0.83 | 0.50 | 0.29 | 1.14 | m | |||||||||||
1939 | 0.60 | 0.36 | 0.64 | 0.16 | 0.13 | 0.11 | 0.19 | ----- | z | 0.99 | s | 0.80 | 0.09 | 0.17 | ----- | z | ||||||||||
1940 | 0.34 | 0.52 | 0.38 | 0.34 | 0.12 | 0.38 | 0.34 | 0.46 | 1.03 | 0.57 | 0.28 | 0.27 | 1.03 | |||||||||||||
1941 | 0.23 | 0.14 | 0.76 | 1.03 | 0.34 | 1.45 | 0.66 | 0.71 | 1.06 | 1.05 | s | 0.98 | 0.48 | 1.45 | s | |||||||||||
1942 | 0.32 | 0.45 | 0.30 | 0.72 | s | 0.23 | 0.03 | 0.34 | 0.59 | 0.72 | 0.60 | 0.48 | 1.25 | 1.25 | s | |||||||||||
1943 | 2.00 | 0.52 | 0.30 | 0.45 | 0.18 | 0.75 | a | 0.22 | 0.70 | q | 0.23 | 1.12 | a | 0.90 | 0.48 | 2.00 | s | |||||||||
1944 | 0.81 | a | 0.76 | v | 0.95 | 1.97 | t | 0.47 | 0.86 | 0.22 | 0.36 | 0.24 | 1.34 | 0.30 | 0.69 | ----- | z | |||||||||
1945 | 0.66 | 0.92 | u | 0.80 | a | 0.66 | c | 0.41 | 0.64 | 0.48 | 0.20 | s | 0.42 | 0.85 | 0.28 | 0.95 | ----- | z | ||||||||
1946 | 0.24 | 0.31 | 0.93 | ----- | z | 1.60 | 0.00 | 0.60 | 1.20 | 0.26 | 2.69 | a | 1.06 | ----- | z | ----- | z | |||||||||
1947 | 0.48 | 0.30 | 0.28 | ----- | z | 2.68 | 0.57 | 0.42 | 1.07 | y | 0.46 | 0.46 | 0.56 | 0.56 | ----- | z | ||||||||||
1948 | 0.64 | a | 1.03 | d | 0.44 | 0.50 | 0.41 | 1.03 | 0.78 | 0.61 | 0.30 | 1.35 | 0.10 | 1.30 | 1.35 | e | ||||||||||
1949 | 3.60 | 0.85 | 0.80 | 0.10 | 1.80 | a | 1.10 | 0.32 | 0.49 | 0.59 | a | 2.06 | a | 1.40 | a | 1.52 | a | 3.60 | e | |||||||
1950 | ----- | z | ----- | z | 0.00 | 0.25 | 0.32 | b | 0.20 | 0.47 | 0.25 | 0.55 | a | 0.18 | 0.56 | 1.11 | ----- | z | ||||||||
1951 | 1.02 | u | ----- | z | ----- | z | 0.98 | a | 0.89 | 0.66 | 1.01 | 1.40 | 0.00 | 1.43 | a | ----- | z | ----- | z | ----- | z | |||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | 0.33 | 1.20 | 0.48 | 0.76 | 0.27 | 0.00 | 0.45 | 1.15 | ----- | z | ||||||||
1953 | 1.45 | 0.35 | 0.90 | a | 0.95 | 0.76 | h | 0.21 | 0.89 | 1.72 | 0.06 | 1.40 | 1.00 | 0.50 | 1.72 | i | ||||||||||
1954 | 2.20 | 0.70 | ----- | z | 0.65 | 0.60 | 0.54 | 1.68 | 0.29 | 1.05 | 1.00 | h | ----- | z | ----- | z | ----- | z | ||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | 0.31 | 0.41 | 0.75 | 1.37 | 1.06 | ----- | z | 0.00 | s | ----- | z | ----- | z | |||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | 0.47 | 0.20 | 0.37 | 0.35 | 0.26 | ----- | z | 0.00 | e | ----- | z | ----- | z | |||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.15 | 0.90 | 0.78 | 0.04 | 1.10 | b | ----- | z | ----- | z | ----- | z | ||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l | 0.34 | 0.04 | 0.46 | 1.35 | 0.10 | 0.85 | ----- | z | ----- | z | ||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | 0.42 | 0.13 | 2.05 | 0.56 | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | 0.41 | 0.86 | 0.23 | 1.24 | 2.18 | b | ----- | z | ----- | z | ----- | z | |||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | a | 0.15 | 0.57 | 0.66 | 1.60 | 1.55 | d | ----- | z | ----- | z | ----- | z | ||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 1.25 | d | 0.35 | 0.25 | 0.42 | 1.03 | 1.05 | ----- | z | ----- | z | ----- | z | |||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.50 | ----- | z | 0.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.49 | 0.08 | 0.41 | ----- | z | ----- | z | ----- | z | |||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.08 | 0.55 | 0.74 | n | ----- | z | ----- | z | ----- | z | ----- | z | ||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.23 | 0.70 | 1.40 | 1.25 | ----- | 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 | 1.00 | 0.47 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.96 | 0.57 | 0.67 | 0.57 | 0.69 | 0.57 | 0.57 | 0.70 | 0.61 | 1.03 | 0.53 | 0.73 | 1.03 | |||||||||||||
S.D. | 0.96 | 0.34 | 0.38 | 0.31 | 0.65 | 0.39 | 0.37 | 0.45 | 0.46 | 0.68 | 0.38 | 0.42 | 0.0 | |||||||||||||
SKEW | 1.64 | 0.87 | 0.25 | 0.03 | 1.62 | 0.51 | 1.02 | 1.61 | 0.57 | 0.60 | 0.64 | 0.49 | 0.00 | |||||||||||||
MAX | 3.60 | 1.28 | 1.49 | 1.03 | 2.68 | 1.45 | 1.68 | 2.05 | 1.60 | 2.69 | 1.40 | 1.52 | 1.03 | |||||||||||||
MIN | 0.23 | 0.14 | 0.00 | 0.10 | 0.12 | 0.00 | 0.04 | 0.23 | 0.00 | 0.00 | 0.00 | 0.17 | 1.03 | |||||||||||||
YRS | 15 | 12 | 16 | 13 | 23 | 28 | 29 | 28 | 28 | 23 | 20 | 16 | 1 |