YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | 0.55 | a | 0.66 | 0.20 | ----- | z | ----- | z | 0.23 | b | 0.74 | ----- | 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 | ----- | 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 | 0.00 | 0.59 | 0.85 | 1.46 | 0.53 | ----- | z | |||||
1986 | 0.72 | 0.70 | 0.76 | 0.20 | 0.08 | 0.11 | 1.38 | 0.80 | a | 1.40 | 0.06 | 0.35 | 0.20 | 1.40 | a | |||||||||||
1987 | 0.70 | 0.53 | 0.61 | 0.05 | 0.43 | 0.00 | 0.55 | a | 0.00 | a | 0.00 | 0.73 | a | 2.05 | a | 0.27 | d | 2.05 | h | |||||||
1988 | 0.68 | 0.18 | 0.16 | 0.87 | 0.11 | 0.32 | 0.00 | 0.26 | 0.00 | a | 0.00 | a | 0.54 | 0.96 | g | 0.96 | i | |||||||||
1989 | 0.28 | 0.28 | 0.54 | 0.06 | 0.31 | 0.07 | 0.41 | 0.47 | 0.05 | 0.10 | 0.00 | 0.00 | 0.54 | |||||||||||||
1990 | 0.90 | 0.31 | 0.20 | 0.97 | 0.94 | 0.38 | 0.44 | 0.30 | 0.78 | 0.10 | 0.25 | 0.00 | 0.97 | |||||||||||||
1991 | 0.00 | 0.61 | 0.95 | 0.00 | 0.79 | 0.28 | 0.09 | 0.30 | 0.80 | 0.48 | 0.22 | c | 0.51 | 0.95 | c | |||||||||||
1992 | 1.72 | 1.26 | 1.05 | 0.31 | 0.34 | 0.22 | 0.49 | 0.10 | b | 0.00 | 1.39 | 0.00 | 0.53 | 1.72 | b | |||||||||||
1993 | 0.82 | 1.92 | 0.80 | 0.20 | 0.06 | 0.81 | 0.00 | 0.58 | a | 0.03 | 0.33 | 0.30 | 0.30 | 1.92 | a | |||||||||||
1994 | 0.46 | a | 0.98 | 0.55 | 0.48 | a | 0.04 | 0.00 | a | 0.00 | 0.46 | 0.26 | 0.33 | 0.47 | 1.50 | 1.50 | c | |||||||||
1995 | 1.15 | 0.77 | 1.15 | 0.76 | 0.76 | 0.20 | 0.15 | 0.00 | 0.00 | 0.00 | 0.27 | 0.30 | 1.15 | |||||||||||||
1996 | 0.16 | 0.65 | 0.35 | 0.02 | 0.29 | 0.00 | 0.55 | 0.21 | 0.03 | 0.78 | 1.31 | 0.70 | 1.31 | |||||||||||||
1997 | 0.73 | 0.36 | 0.00 | 0.02 | 0.07 | 0.04 | 0.04 | 0.27 | 1.17 | 0.15 | 0.52 | 0.41 | 1.17 | |||||||||||||
1998 | 0.16 | 2.52 | 0.64 | 0.47 | 0.33 | 0.30 | b | 2.96 | 0.88 | 1.10 | 0.28 | 0.28 | 0.01 | 2.96 | b | |||||||||||
1999 | 0.19 | 0.15 | 0.12 | 0.75 | 0.08 | 0.69 | 0.50 | 0.14 | 0.07 | 0.00 | 0.00 | 0.00 | 0.75 | |||||||||||||
2000 | ----- | z | 1.50 | 1.07 | 0.06 | 0.02 | 0.52 | 0.00 | 1.10 | a | 0.00 | 0.59 | j | 0.00 | c | 0.06 | ----- | z | ||||||||
2001 | 0.93 | 0.87 | 0.90 | 0.36 | 0.21 | 0.00 | 0.53 | 0.45 | 0.14 | 0.18 | 0.14 | y | 0.16 | 0.93 | y | |||||||||||
2002 | 0.19 | 0.03 | 0.23 | 0.66 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.51 | 0.33 | c | 0.36 | 0.12 | 0.66 | d | ||||||||||
2003 | 0.66 | 0.60 | 0.27 | 0.61 | 0.16 | 0.00 | 0.22 | 0.67 | 0.32 | 0.26 | 0.41 | 1.71 | 1.71 | |||||||||||||
2004 | 0.04 | 1.16 | 0.47 | 0.68 | 0.46 | 0.04 | 0.21 | 0.30 | 0.28 | 2.29 | a | 1.91 | 2.00 | 2.29 | a | |||||||||||
2005 | 1.33 | a | 0.80 | 1.14 | b | 1.02 | a | 0.08 | 0.38 | a | 0.49 | a | 1.77 | t | 0.01 | 0.81 | 0.08 | 0.10 | ----- | z | ||||||
2006 | 0.24 | 0.11 | 0.92 | 0.23 | 0.01 | 0.30 | 1.20 | x | 0.04 | a | 0.07 | a | 0.55 | a | 0.00 | 0.32 | ----- | z | ||||||||
2007 | 0.24 | 0.19 | 0.08 | 0.52 | 0.01 | 0.00 | 1.70 | a | 0.94 | a | 0.85 | 0.03 | 0.00 | 1.20 | 1.70 | b | ||||||||||
2008 | ----- | z | 0.80 | 0.24 | 0.00 | 0.54 | a | 0.00 | 0.00 | 0.49 | 0.08 | 0.39 | 0.47 | ----- | z | ----- | z | |||||||||
2009 | 0.22 | 0.81 | 0.00 | 0.34 | 0.04 | a | 0.09 | 0.11 | 0.39 | 0.10 | 0.03 | 0.07 | 0.95 | 0.95 | a | |||||||||||
2010 | 1.17 | 0.72 | 0.49 | 0.09 | c | 0.02 | 0.35 | 0.23 | 0.32 | ----- | z | 1.06 | x | 0.34 | y | 1.66 | u | ----- | z | |||||||
2011 | 0.00 | 0.72 | 0.35 | 0.17 | 0.40 | 0.00 | 0.17 | 0.85 | 0.20 | 0.92 | 0.38 | 0.00 | 0.92 | |||||||||||||
2012 | 0.35 | b | 0.31 | 0.46 | 0.33 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | h | 0.00 | r | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.56 | 0.73 | 0.54 | 0.39 | 0.24 | 0.20 | 0.45 | 0.39 | 0.35 | 0.45 | 0.47 | 0.49 | 1.36 | |||||||||||||
S.D. | 0.46 | 0.57 | 0.36 | 0.32 | 0.26 | 0.23 | 0.67 | 0.31 | 0.42 | 0.52 | 0.58 | 0.57 | 0.61 | |||||||||||||
SKEW | 0.75 | 1.42 | 0.23 | 0.42 | 1.21 | 1.14 | 2.54 | 0.63 | 1.05 | 1.94 | 1.66 | 1.36 | 0.96 | |||||||||||||
MAX | 1.72 | 2.52 | 1.15 | 1.02 | 0.94 | 0.81 | 2.96 | 1.10 | 1.40 | 2.29 | 2.05 | 2.00 | 2.96 | |||||||||||||
MIN | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.54 | |||||||||||||
YRS | 25 | 27 | 28 | 28 | 28 | 26 | 25 | 27 | 27 | 25 | 25 | 24 | 18 |