YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.85 | 0.31 | ----- | z | ||
1941 | 0.52 | p | 0.63 | m | 0.08 | x | 0.82 | s | 0.50 | s | 2.48 | u | 0.96 | u | 1.05 | p | 1.42 | m | 1.37 | p | 0.35 | q | 0.28 | o | ----- | z |
1942 | 0.50 | j | 0.49 | o | 1.88 | s | 0.61 | s | 1.45 | n | 1.12 | s | 1.30 | v | 1.00 | p | 1.33 | 1.77 | 0.85 | 0.56 | l | ----- | z | |||
1943 | 0.72 | p | 0.79 | m | 0.45 | v | 0.39 | 1.35 | 1.89 | 0.59 | u | 0.94 | 0.54 | 0.75 | 0.85 | p | 0.24 | t | ----- | z | ||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 1.30 | 1.06 | 2.32 | 1.58 | 1.37 | 0.79 | 1.12 | 0.24 | ----- | z | ||||||||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.10 | 0.85 | 1.04 | 1.62 | 0.20 | 0.43 | 0.64 | v | ----- | z | ||||||
1946 | ----- | z | ----- | z | ----- | z | 0.95 | 0.58 | 0.66 | 0.50 | 1.57 | 4.48 | 1.30 | 0.60 | ----- | z | ----- | z | ||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | 0.51 | 1.46 | 0.84 | s | 0.46 | 0.79 | 0.08 | 0.85 | ----- | z | ----- | z | ||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 0.53 | 0.62 | 0.52 | a | 0.97 | a | 0.23 | t | ----- | z | ----- | z | ----- | z | ----- | z | ||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 0.88 | 0.51 | a | 1.35 | 1.26 | 0.49 | 1.08 | 0.50 | g | ----- | z | ----- | z | |||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 1.08 | 0.66 | 0.59 | 1.13 | 0.80 | 0.96 | 0.85 | ----- | z | ----- | z | |||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | f | 0.87 | d | 1.15 | 1.42 | 1.52 | 0.50 | ----- | z | ----- | z | ----- | z | ||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | 0.53 | 1.30 | a | 1.72 | 0.75 | 0.44 | 0.20 | 0.30 | m | ----- | z | ----- | z | |||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | 2.56 | 1.64 | 1.12 | 0.51 | 0.85 | 1.05 | 0.23 | q | ----- | z | ----- | z | ||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | 0.72 | 0.65 | 0.28 | 0.82 | 0.92 | 0.54 | ----- | z | ----- | z | ----- | z | ||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | 1.59 | 0.19 | 0.46 | 0.91 | 0.84 | 1.02 | 0.82 | t | ----- | z | ----- | z | ||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | 0.88 | 0.95 | 1.97 | 0.32 | 0.81 | a | 0.58 | 1.51 | m | ----- | z | ----- | z | |||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 0.47 | t | 1.64 | 0.69 | 0.54 | 0.55 | 0.44 | ----- | z | ----- | z | ----- | z | |||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.37 | 0.49 | 1.57 | 1.25 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.49 | 0.28 | 1.46 | 1.01 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | 1.91 | 0.61 | 0.72 | 1.25 | ----- | z | ----- | z | ----- | z | |||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 0.81 | 0.58 | 0.64 | 0.62 | 1.52 | 1.07 | ----- | z | ----- | z | ----- | z | ||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 1.21 | 1.61 | a | 0.72 | 0.90 | 0.21 | ----- | z | ----- | z | ----- | z | |||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | 0.36 | 2.50 | 0.39 | 1.63 | 0.67 | 0.36 | ----- | z | ----- | z | ----- | z | ||||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | 1.63 | 1.01 | 0.67 | 0.83 | 0.51 | 0.42 | ----- | z | ----- | z | ----- | z | ||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 1.63 | 2.10 | 1.27 | 0.95 | 1.43 | 0.45 | ----- | z | ----- | z | ----- | z | ||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 1.06 | 1.11 | 0.76 | 1.76 | 0.50 | 0.55 | p | ----- | z | ----- | z | ----- | z | |||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 0.21 | 0.66 | 0.62 | 1.10 | 1.42 | 0.88 | ----- | z | ----- | z | ----- | z | ||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.14 | 1.40 | 1.12 | 0.94 | 0.75 | ----- | z | ----- | z | ----- | z | |||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 0.29 | r | 0.36 | 0.94 | 1.13 | 0.31 | 0.33 | ----- | z | ----- | z | ----- | z | |||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | 0.89 | 0.97 | 1.30 | 0.39 | 1.81 | 1.09 | ----- | z | ----- | z | ----- | z | ||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 1.99 | d | 0.62 | 1.17 | 0.76 | 0.73 | 0.91 | ----- | z | ----- | z | ----- | z | |||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | 0.63 | f | 0.95 | 1.82 | 0.65 | 0.77 | 0.38 | ----- | z | ----- | z | ----- | z | |||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 1.04 | 0.71 | 0.69 | 0.60 | 0.75 | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | 0.91 | 0.92 | 1.60 | 0.27 | b | 0.57 | d | 0.27 | ----- | z | ----- | z | ----- | z | ||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 1.80 | b | 0.47 | c | 1.00 | 1.75 | 0.95 | ----- | z | ----- | z | ----- | z | ||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | 0.22 | 1.46 | 0.84 | 0.20 | 0.48 | a | 0.46 | d | ----- | z | ----- | z | ----- | z | ||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | 0.50 | 0.80 | 0.63 | 2.12 | 3.71 | b | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | 1.21 | 0.60 | 0.77 | 0.48 | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 0.36 | m | 0.85 | 0.49 | 0.97 | 0.62 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 1.13 | 1.68 | 0.69 | 0.58 | k | ----- | z | ----- | z | ----- | z | ||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | g | 0.95 | 0.06 | 1.86 | 1.49 | 1.49 | n | ----- | z | ----- | z | ----- | z | ||||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | 0.53 | m | 0.27 | a | 2.05 | 1.88 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | 0.72 | q | 0.98 | 1.68 | 1.45 | 1.23 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | 1.30 | p | 1.08 | 0.79 | 2.08 | 0.94 | 0.50 | h | ----- | z | ----- | z | ----- | z | ||||
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.80 | 1.34 | 1.12 | 2.05 | ----- | z | 1.36 | o | ----- | z | ----- | z | ||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | 0.80 | r | 0.70 | 0.53 | 0.58 | 0.99 | 0.76 | k | ----- | z | ----- | z | ----- | z | ||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | 0.87 | m | 0.65 | 0.76 | 1.16 | 0.82 | 0.31 | w | ----- | z | ----- | z | ----- | z | ||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | 0.51 | 0.32 | 0.66 | 0.88 | 0.73 | 0.95 | j | ----- | z | ----- | z | ----- | z | |||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | n | 1.46 | 1.16 | 0.87 | 0.59 | 0.28 | o | ----- | z | ----- | z | ----- | z | ||||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.61 | 1.29 | 0.60 | 1.14 | j | ----- | z | ----- | z | ----- | z | ----- | z | |||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | 1.73 | t | 1.05 | 0.70 | 0.27 | 1.12 | 0.60 | j | ----- | z | ----- | z | ----- | z | ||||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.83 | 0.52 | 1.12 | a | 0.96 | ----- | z | ----- | z | ----- | z | ----- | z | |||
1993 | ----- | z | ----- | z | ----- | z | ----- | z | 0.64 | q | 0.90 | 0.67 | 0.41 | 0.63 | 0.03 | y | ----- | z | ----- | z | ----- | z | ||||
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.38 | 0.91 | 1.05 | 1.08 | 0.90 | n | ----- | z | ----- | z | ----- | z | ||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.20 | 1.28 | 2.98 | 1.25 | 0.52 | m | ----- | z | ----- | z | ----- | z | ||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | q | 1.56 | 0.99 | 0.80 | 0.34 | 0.73 | p | ----- | z | ----- | z | ----- | z | ||||
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.27 | 0.72 | 1.00 | 0.92 | j | ----- | z | ----- | z | ----- | z | |||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.39 | 1.64 | 1.00 | 0.91 | a | 0.72 | m | ----- | z | ----- | z | ----- | z | |||
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.63 | 0.28 | 0.88 | ----- | z | ----- | z | ----- | z | |||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | 1.47 | 1.70 | 0.45 | a | 0.62 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
2002 | ----- | z | ----- | z | ----- | z | ----- | z | 0.34 | m | 0.54 | b | 0.43 | 1.32 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.89 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | 1.50 | f | 0.50 | 1.50 | 0.87 | 1.48 | 0.51 | ----- | 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 | 0.18 | 0.64 | e | ----- | 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 | 0.15 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.88 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | 1.30 | d | 0.46 | c | 2.07 | i | 0.67 | d | 1.47 | d | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | 0.51 | l | 1.08 | g | 0.65 | d | 0.73 | d | 1.52 | h | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.09 | q | 0.78 | d | 0.88 | a | 0.36 | f | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.40 | q | 1.58 | i | 0.74 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.42 | f | 1.28 | i | 1.43 | w | 2.17 | l | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.93 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.73 | d | 2.10 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.0 | 0.0 | 0.0 | 0.67 | 0.99 | 0.98 | 0.97 | 0.98 | 1.05 | 0.70 | 0.79 | 0.28 | 0.0 | |||||||||||||
S.D. | 0.0 | 0.0 | 0.0 | 0.40 | 0.54 | 0.56 | 0.52 | 0.53 | 0.72 | 0.39 | 0.22 | 0.05 | 0.0 | |||||||||||||
SKEW | 0.00 | 0.00 | 0.00 | -0.00 | 0.89 | 1.55 | 0.64 | 1.09 | 2.83 | 0.54 | -0.33 | 0.00 | 0.00 | |||||||||||||
MAX | -9999 | -9999 | -9999 | 0.95 | 2.56 | 3.20 | 2.32 | 2.98 | 4.48 | 1.77 | 1.12 | 0.31 | -9999 | |||||||||||||
MIN | 9999 | 9999 | 9999 | 0.39 | 0.21 | 0.19 | 0.06 | 0.15 | 0.28 | 0.08 | 0.43 | 0.24 | 9999 | |||||||||||||
YRS | 0 | 0 | 0 | 2 | 30 | 60 | 61 | 66 | 58 | 32 | 7 | 2 | 0 |