YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | y | 0.00 | 0.43 | 0.66 | 0.16 | 0.65 | 0.27 | 0.28 | ----- | z | |||||||
1952 | 0.47 | 0.21 | 0.23 | 0.91 | 0.22 | 0.54 | 0.50 | 0.36 | 0.23 | 0.00 | 1.36 | 0.45 | 1.36 | |||||||||||||
1953 | 0.35 | 0.12 | 0.25 | 0.11 | 0.33 | 0.29 | 0.58 | 0.72 | 0.00 | 1.09 | 0.46 | 0.17 | 1.09 | |||||||||||||
1954 | 0.15 | 0.24 | 0.95 | 0.05 | 0.46 | 0.37 | 1.52 | 1.17 | 0.61 | 0.48 | 0.32 | 0.48 | 1.52 | |||||||||||||
1955 | 0.19 | 0.04 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | 0.00 | 0.30 | 0.64 | ----- | z | ||||||
1956 | 0.62 | 0.18 | 0.26 | 0.17 | 0.12 | 0.08 | 0.27 | 0.45 | 0.00 | 0.16 | 0.06 | 0.21 | 0.62 | |||||||||||||
1957 | 0.52 | 0.32 | 0.40 | 0.39 | 0.37 | 0.14 | 1.40 | 1.27 | 0.02 | 0.65 | 0.29 | 0.18 | 1.40 | |||||||||||||
1958 | 0.24 | 0.20 | 0.44 | 0.83 | 0.08 | 0.33 | 0.21 | 1.73 | 0.43 | 0.42 | 0.12 | 0.26 | 1.73 | |||||||||||||
1959 | 0.13 | 0.23 | 0.31 | 0.83 | 0.17 | 0.25 | 0.06 | 0.57 | 1.56 | 0.69 | 0.31 | 0.59 | 1.56 | |||||||||||||
1960 | 0.15 | 0.73 | 0.29 | 0.26 | 0.10 | 0.46 | 0.82 | 0.09 | 0.30 | 1.95 | 0.30 | 0.45 | 1.95 | |||||||||||||
1961 | 0.70 | 0.15 | 0.43 | 0.25 | 0.24 | 0.13 | 0.27 | 1.01 | 0.72 | 0.70 | 0.19 | 0.25 | 1.01 | |||||||||||||
1962 | 0.30 | 0.50 | 0.45 | 0.11 | 0.11 | 0.05 | 0.12 | 0.52 | 0.69 | 0.73 | 0.65 | 0.15 | 0.73 | |||||||||||||
1963 | 0.12 | 0.40 | 0.21 | 0.19 | 0.00 | 0.02 | 0.65 | 0.90 | 0.58 | 1.06 | 0.20 | 0.10 | 1.06 | |||||||||||||
1964 | 0.12 | 0.30 | 0.15 | 0.21 | 0.28 | 0.00 | 0.98 | 0.86 | 0.43 | 0.00 | 0.37 | 0.36 | 0.98 | |||||||||||||
1965 | 0.43 | 0.15 | 0.13 | 0.03 | 0.26 | 0.90 | 0.66 | 1.00 | 0.39 | ----- | z | 0.80 | 0.53 | ----- | z | |||||||||||
1966 | 0.16 | 0.44 | 0.17 | 0.15 | 0.60 | 0.55 | 0.66 | 0.70 | 0.60 | 0.00 | 0.14 | 0.56 | 0.70 | |||||||||||||
1967 | 0.33 | 0.12 | 0.20 | 0.00 | 0.09 | 0.72 | 0.40 | 1.36 | 0.30 | 0.00 | 0.00 | 1.02 | 1.36 | |||||||||||||
1968 | 0.08 | 0.07 | 0.62 | 0.22 | 0.30 | 0.00 | 0.02 | 2.14 | 0.15 | 0.30 | 0.60 | 0.16 | 2.14 | |||||||||||||
1969 | 0.56 | 0.56 | a | 0.91 | i | 0.00 | a | 0.38 | ----- | z | 0.42 | ----- | z | ----- | z | 1.80 | t | 0.24 | 0.20 | i | ----- | z | ||||
1970 | 0.01 | 0.00 | 0.64 | 0.13 | 0.00 | 0.07 | 0.20 | 0.23 | 0.62 | 0.29 | 0.24 | 0.21 | 0.64 | |||||||||||||
1971 | 0.11 | 0.25 | 0.15 | 0.16 | 0.00 | 0.00 | 0.24 | 0.73 | 0.97 | 0.43 | 0.36 | 0.35 | 0.97 | |||||||||||||
1972 | 0.04 | 0.50 | 0.05 | 0.00 | 0.00 | 0.56 | 0.01 | 1.49 | 0.39 | 1.02 | 0.42 | 0.27 | b | 1.49 | b | |||||||||||
1973 | 0.48 | 0.50 | 0.60 | 0.07 | 1.53 | 0.02 | 1.10 | 0.19 | 0.88 | 0.20 | 0.30 | 0.12 | 1.53 | |||||||||||||
1974 | 0.50 | 0.17 | 0.10 | 0.20 | 0.04 | 0.44 | 0.32 | 0.58 | 0.48 | 0.73 | 0.17 | 0.22 | 0.73 | |||||||||||||
1975 | 0.15 | 0.45 | 0.30 | 0.45 | 0.44 | 0.02 | 0.37 | 0.47 | 0.69 | 0.08 | 0.12 | 0.15 | 0.69 | |||||||||||||
1976 | 0.10 | a | 0.14 | 0.03 | 0.02 | 0.16 | 0.20 | 1.10 | 1.27 | 0.50 | ----- | z | ----- | z | 0.02 | ----- | z | |||||||||
1977 | ----- | z | ----- | z | 0.00 | 0.06 | 0.04 | 0.00 | 0.75 | 1.03 | ----- | z | 0.18 | 0.89 | ----- | z | ----- | z | ||||||||
1978 | ----- | z | ----- | z | 0.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | 0.33 | ----- | z | 0.31 | b | ----- | z | 0.64 | 0.78 | ----- | z | 0.03 | a | ----- | z | 0.06 | d | ----- | z | |||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | f | 0.00 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1981 | ----- | z | ----- | z | ----- | z | 0.00 | 0.70 | 0.26 | ----- | z | 0.47 | 1.08 | ----- | z | 0.03 | e | 0.00 | b | ----- | z | |||||
1982 | ----- | z | 0.12 | i | 0.12 | x | 0.12 | 0.28 | 0.00 | b | 0.94 | a | 1.40 | 0.55 | h | 0.03 | d | 0.40 | e | 0.25 | f | ----- | z | |||
1983 | 0.28 | b | 0.12 | d | 0.37 | e | 0.27 | 0.50 | b | 0.85 | a | 0.34 | 0.83 | 0.68 | 0.90 | 0.30 | d | 0.21 | a | 0.90 | s | |||||
1984 | 0.43 | 0.12 | 0.51 | b | 0.09 | b | 0.00 | 0.40 | 0.37 | 0.17 | d | 0.35 | a | 0.63 | d | 0.00 | b | 0.25 | i | 0.63 | x | |||||
1985 | 0.28 | f | 0.08 | i | 0.72 | 0.74 | 0.17 | 0.05 | 0.53 | 0.00 | 0.03 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1986 | 0.00 | a | 0.06 | g | 0.15 | 0.50 | 0.27 | ----- | z | 0.91 | 0.35 | 0.75 | 0.46 | 0.82 | 0.46 | ----- | z | |||||||||
1987 | 0.02 | a | 0.72 | 0.07 | 0.10 | 0.28 | 0.09 | 0.30 | 0.36 | 0.74 | 0.34 | 0.60 | 0.64 | 0.74 | a | |||||||||||
1988 | 0.20 | 0.36 | 0.02 | 0.05 | a | 0.30 | a | 0.87 | 0.26 | 1.25 | 0.55 | 0.09 | 0.39 | 0.10 | 1.25 | b | ||||||||||
1989 | 0.18 | 0.58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.50 | 0.23 | 0.48 | 0.00 | 0.04 | 0.58 | |||||||||||||
1990 | 0.60 | 0.40 | 0.59 | 0.60 | 0.55 | 0.09 | 0.96 | 0.67 | 0.66 | 0.84 | 0.48 | a | 0.72 | 0.96 | a | |||||||||||
1991 | 0.32 | 0.00 | 0.25 | 0.03 | 0.15 | 0.30 | 0.34 | 0.31 | 0.48 | 0.26 | 0.25 | c | 0.22 | 0.48 | c | |||||||||||
1992 | 0.20 | 0.12 | 0.06 | ----- | z | ----- | z | 0.33 | 0.00 | b | 1.23 | 0.31 | 0.20 | 0.18 | 0.50 | c | ----- | z | ||||||||
1993 | 0.88 | 0.50 | 0.10 | 0.04 | 0.12 | 0.16 | 0.00 | 1.47 | 0.72 | 0.17 | 0.32 | 0.02 | 1.47 | |||||||||||||
1994 | 0.15 | 0.10 | a | 0.48 | a | 0.62 | b | 0.84 | 0.41 | 0.15 | 1.70 | 0.88 | 0.59 | 0.51 | 0.40 | 1.70 | d | |||||||||
1995 | 0.45 | 0.41 | 0.48 | 0.26 | 0.66 | 0.13 | 0.25 | 0.45 | 0.80 | 0.00 | 0.09 | 0.24 | 0.80 | |||||||||||||
1996 | 0.20 | 0.15 | 0.05 | 0.00 | 0.00 | 1.45 | 1.02 | 0.73 | 0.40 | 0.65 | 0.32 | 0.14 | 1.45 | |||||||||||||
1997 | 0.64 | 0.12 | 0.00 | 0.85 | 0.43 | 0.58 | 0.77 | 0.75 | 0.42 | 0.20 | a | 0.00 | b | 0.20 | 0.85 | c | ||||||||||
1998 | 0.10 | 0.15 | 0.28 | 0.06 | 0.00 | 0.00 | 0.55 | 0.32 | 0.90 | 1.20 | 0.05 | 0.10 | b | 1.20 | b | |||||||||||
1999 | 0.05 | 0.00 | 0.07 | 0.30 | a | 1.05 | 0.20 | 1.75 | 0.90 | 0.25 | 0.00 | 0.15 | 0.05 | 1.75 | a | |||||||||||
2000 | ----- | z | 0.03 | ----- | z | ----- | z | 0.00 | 0.19 | b | 0.29 | 0.63 | 0.10 | 0.60 | 0.13 | ----- | z | ----- | z | |||||||
2001 | 0.50 | 0.50 | a | 0.20 | 0.42 | 0.15 | 0.25 | 0.74 | e | 1.50 | 0.09 | 0.02 | 0.40 | a | 0.40 | b | 1.50 | i | ||||||||
2002 | 0.20 | a | 0.01 | 0.00 | ----- | z | 0.00 | 0.31 | 0.65 | a | 0.75 | 0.86 | a | 0.49 | 0.37 | 0.26 | ----- | z | ||||||||
2003 | 0.00 | 0.34 | 0.98 | 0.18 | 0.09 | 0.31 | 0.12 | 0.67 | 1.55 | 0.55 | b | 0.85 | 0.15 | c | 1.55 | e | ||||||||||
2004 | 1.50 | b | ----- | z | 0.00 | b | 1.30 | ----- | z | 0.18 | a | 1.30 | d | 0.10 | 0.85 | d | 0.28 | b | ----- | z | 0.20 | ----- | z | |||
2005 | 0.25 | a | 0.50 | ----- | z | ----- | z | 0.55 | 0.08 | 0.20 | 1.30 | 0.32 | ----- | z | 0.06 | 0.10 | ----- | z | ||||||||
2006 | 0.18 | 0.02 | 0.15 | 0.25 | 0.10 | 0.11 | 4.00 | b | 2.34 | a | 1.00 | 0.33 | 0.03 | 0.30 | 4.00 | c | ||||||||||
2007 | 0.20 | 0.20 | 0.48 | 0.20 | 1.10 | 0.58 | 1.85 | 1.37 | 0.26 | 0.20 | 0.61 | 0.65 | 1.85 | |||||||||||||
2008 | ----- | z | 0.58 | 0.00 | 0.00 | 0.23 | 0.50 | 1.50 | 0.80 | 0.12 | 1.35 | 0.00 | c | ----- | z | ----- | z | |||||||||
2009 | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | ----- | z | ----- | z | 0.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
2010 | ----- | z | ----- | z | 0.25 | ----- | z | 0.18 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2011 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.30 | 0.27 | 0.27 | 0.26 | 0.29 | 0.28 | 0.64 | 0.83 | 0.53 | 0.45 | 0.32 | 0.29 | 1.27 | |||||||||||||
S.D. | 0.27 | 0.20 | 0.24 | 0.30 | 0.31 | 0.29 | 0.65 | 0.52 | 0.35 | 0.41 | 0.27 | 0.22 | 0.65 | |||||||||||||
SKEW | 2.02 | 0.52 | 1.01 | 1.59 | 1.82 | 1.61 | 2.80 | 0.74 | 0.80 | 1.23 | 1.39 | 1.07 | 2.15 | |||||||||||||
MAX | 1.50 | 0.73 | 0.98 | 1.30 | 1.53 | 1.45 | 4.00 | 2.34 | 1.56 | 1.95 | 1.36 | 1.02 | 4.00 | |||||||||||||
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 | 0.48 | |||||||||||||
YRS | 48 | 48 | 51 | 49 | 54 | 53 | 55 | 55 | 52 | 50 | 52 | 49 | 35 |