YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.54 | 0.23 | 0.48 | ----- | z | |||
1963 | 0.22 | 0.62 | 0.21 | 0.58 | 0.46 | 0.05 | 0.24 | 0.03 | 0.10 | 0.23 | 0.32 | 0.57 | 0.62 | |||||||||||||
1964 | 0.40 | 0.04 | 0.04 | 0.06 | 0.16 | 0.45 | 0.33 | 0.18 | 0.14 | 0.16 | 0.34 | 0.62 | 0.62 | |||||||||||||
1965 | 0.38 | 0.12 | 0.04 | 0.24 | 0.51 | 1.22 | 0.23 | 0.14 | 0.03 | 0.06 | 0.45 | 0.15 | 1.22 | |||||||||||||
1966 | 0.40 | 0.14 | 0.40 | 0.05 | 0.01 | 0.28 | 0.50 | 0.02 | 0.79 | 0.33 | 0.83 | 0.51 | 0.83 | |||||||||||||
1967 | 0.48 | 0.13 | 1.00 | 0.24 | 0.73 | 0.52 | 0.00 | 0.00 | 0.08 | 0.33 | 0.29 | 0.17 | e | 1.00 | e | |||||||||||
1968 | 0.27 | 0.35 | 0.21 | 0.07 | 0.13 | 0.20 | 0.32 | ----- | z | 0.60 | 0.72 | 1.08 | 0.53 | ----- | z | |||||||||||
1969 | 0.58 | 0.15 | 0.11 | 0.70 | 0.34 | 0.30 | 0.00 | 0.00 | 0.31 | 0.13 | 0.34 | 0.32 | 0.70 | |||||||||||||
1970 | 0.69 | 0.64 | 0.15 | 0.96 | 0.08 | 0.37 | 0.13 | 0.09 | 0.15 | 0.19 | 0.20 | 0.17 | 0.96 | |||||||||||||
1971 | 0.38 | 0.24 | 0.54 | 0.14 | 0.23 | 0.60 | 0.30 | 0.18 | 0.62 | 0.21 | 0.21 | 0.40 | 0.62 | |||||||||||||
1972 | 0.11 | 0.26 | 0.56 | 0.10 | 0.97 | 0.63 | ----- | z | 0.17 | 0.32 | 0.27 | 0.35 | 0.61 | ----- | z | |||||||||||
1973 | 0.41 | 0.36 | 0.18 | 0.17 | 0.33 | 0.06 | 0.00 | 0.00 | 0.30 | ----- | z | 0.80 | 0.53 | ----- | z | |||||||||||
1974 | 0.29 | 0.24 | ----- | z | 0.25 | 0.12 | 0.03 | 0.12 | 0.00 | 0.03 | 0.00 | 0.24 | 0.16 | ----- | z | |||||||||||
1975 | 0.70 | 0.35 | 0.37 | 0.45 | 0.15 | 0.29 | 0.81 | 0.39 | 0.00 | ----- | z | 0.30 | ----- | z | ----- | z | ||||||||||
1976 | 0.25 | 0.37 | 0.18 | 0.22 | 0.08 | 0.11 | 0.05 | 0.18 | 0.00 | 0.08 | 0.09 | 0.26 | 0.37 | |||||||||||||
1977 | ----- | z | 0.18 | 0.22 | 0.03 | 0.15 | 0.11 | 0.13 | 0.74 | 0.30 | 0.13 | 0.24 | 0.76 | ----- | z | |||||||||||
1978 | 0.36 | 0.30 | 0.27 | 0.58 | 0.42 | 0.17 | 0.26 | 0.52 | 0.40 | 0.05 | 0.34 | 0.48 | 0.58 | |||||||||||||
1979 | 0.43 | 0.30 | 0.22 | 0.15 | ----- | z | 0.10 | ----- | z | 0.34 | 0.19 | 0.75 | 0.55 | 0.21 | ----- | z | ||||||||||
1980 | ----- | z | ----- | z | 0.35 | ----- | 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 | 0.16 | x | 0.32 | f | 0.25 | j | 10.00 | k | 0.24 | k | 0.08 | j | 0.00 | i | 0.30 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | 1.32 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | 0.46 | q | 0.11 | s | 0.43 | y | 0.46 | s | 0.15 | m | 0.01 | o | 0.22 | l | 0.40 | n | 0.23 | l | 0.21 | k | 0.58 | j | ----- | z |
2005 | 0.20 | j | 0.00 | o | 0.47 | h | 0.47 | 0.30 | h | 0.10 | o | 0.25 | q | 0.06 | 0.01 | k | 1.48 | h | 0.25 | 0.40 | b | ----- | z | |||
2006 | 0.62 | e | 0.40 | m | 0.22 | 0.32 | c | 0.88 | j | 0.80 | g | 0.00 | i | 0.00 | c | 0.01 | 0.04 | c | 0.95 | o | 0.45 | u | ----- | z | ||
2007 | 0.72 | w | 0.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.27 | 0.29 | 0.30 | 0.30 | 0.32 | 0.23 | 0.17 | 0.24 | 0.25 | 0.39 | 0.41 | 0.72 | |||||||||||||
S.D. | 0.16 | 0.16 | 0.23 | 0.26 | 0.26 | 0.30 | 0.22 | 0.21 | 0.24 | 0.23 | 0.25 | 0.19 | 0.25 | |||||||||||||
SKEW | 0.27 | 0.95 | 1.73 | 1.06 | 1.20 | 1.62 | 1.28 | 1.45 | 0.92 | 1.16 | 1.50 | 0.01 | 0.74 | |||||||||||||
MAX | 0.70 | 0.64 | 1.00 | 0.96 | 0.97 | 1.22 | 0.81 | 0.74 | 0.79 | 0.75 | 1.08 | 0.76 | 1.22 | |||||||||||||
MIN | 0.11 | 0.04 | 0.04 | 0.03 | 0.01 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.15 | 0.37 | |||||||||||||
YRS | 17 | 18 | 18 | 19 | 16 | 17 | 15 | 18 | 18 | 17 | 19 | 18 | 9 |