YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -1.00 | o | ----- | z |
1967 | 5.00 | o | ----- | z | ----- | z | 12.00 | e | ----- | z | 31.00 | a | 50.00 | a | 34.00 | d | 23.00 | f | 20.00 | h | 9.00 | n | -0.00 | g | ----- | z |
1968 | ----- | z | 9.00 | e | 18.00 | g | 13.00 | h | 21.00 | d | ----- | 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 | ----- | 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 | 23.00 | 19.00 | 33.00 | 50.00 | 44.00 | 37.00 | a | 22.00 | 5.00 | f | 5.00 | d | ----- | z | ||||||
2003 | 15.00 | s | 16.00 | m | 13.00 | s | 20.00 | a | 26.00 | a | 36.00 | 48.00 | 43.00 | 31.00 | 23.00 | 7.00 | d | 6.00 | ----- | z | ||||||
2004 | -6.00 | 2.00 | b | 13.00 | 27.00 | 29.00 | 37.00 | 46.00 | 38.00 | 29.00 | 26.00 | -4.00 | a | -1.00 | a | -6.00 | d | |||||||||
2005 | -1.00 | 10.00 | 16.00 | 16.00 | 29.00 | a | 33.00 | 47.00 | 40.00 | 28.00 | 24.00 | 5.00 | d | 1.00 | -1.00 | e | ||||||||||
2006 | 4.00 | 1.00 | 9.00 | 19.00 | 29.00 | 37.00 | 50.00 | 42.00 | 27.00 | 19.00 | -3.00 | d | -2.00 | a | -3.00 | e | ||||||||||
2007 | -12.00 | 7.00 | 10.00 | a | 19.00 | 25.00 | 36.00 | 54.00 | 47.00 | 26.00 | 22.00 | 13.00 | 2.00 | a | -12.00 | b | ||||||||||
2008 | -2.00 | -3.00 | a | 17.00 | 16.00 | 22.00 | 33.00 | 52.00 | 45.00 | 34.00 | 20.00 | 20.00 | -4.00 | -4.00 | a | |||||||||||
2009 | 2.00 | 12.00 | 10.00 | 20.00 | 32.00 | 39.00 | 48.00 | 40.00 | 37.00 | 19.00 | 11.00 | e | -3.00 | b | -3.00 | g | ||||||||||
2010 | 9.00 | 9.00 | b | 15.00 | 16.00 | 23.00 | 32.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -0.86 | 5.88 | 12.86 | 18.80 | 25.50 | 34.70 | 49.44 | 41.44 | 31.13 | 21.88 | 7.00 | 0.50 | -7.33 | |||||||||||||
S.D. | 6.84 | 5.25 | 3.24 | 4.18 | 4.22 | 2.63 | 2.51 | 3.94 | 4.39 | 2.47 | 8.62 | 3.66 | 4.16 | |||||||||||||
SKEW | -0.24 | -0.54 | 0.04 | 0.40 | -0.03 | 0.15 | 0.42 | -0.48 | 0.33 | 0.27 | 0.04 | 0.34 | -0.53 | |||||||||||||
MAX | 9.00 | 12.00 | 17.00 | 27.00 | 32.00 | 39.00 | 54.00 | 47.00 | 37.00 | 26.00 | 20.00 | 6.00 | -4.00 | |||||||||||||
MIN | -12.00 | -3.00 | 9.00 | 12.00 | 19.00 | 31.00 | 46.00 | 34.00 | 26.00 | 19.00 | -4.00 | -4.00 | -12.00 | |||||||||||||
YRS | 7 | 8 | 7 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 8 | 3 |