YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | -24.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.00 | f | 35.00 | w | 25.00 | p | ----- | 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 | 21.00 | a | -5.00 | ----- | z | ----- | z | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -0.00 | ----- | 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 | -5.00 | ----- | 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 | 30.00 | a | ----- | z | -14.00 | a | -24.00 | ----- | z | |
1979 | -30.00 | -34.00 | -11.00 | 8.00 | 25.00 | 40.00 | 46.00 | c | 40.00 | b | 27.00 | c | ----- | 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 | 39.00 | 45.00 | 42.00 | c | 19.00 | a | 15.00 | a | 9.00 | -18.00 | b | ----- | z | |||
1993 | -21.00 | b | -28.00 | -6.00 | b | 19.00 | 29.00 | c | 38.00 | 52.00 | 42.00 | 29.00 | a | 11.00 | b | -0.00 | c | -23.00 | a | -28.00 | n | |||||
1994 | -33.00 | -45.00 | b | 3.00 | 16.00 | 29.00 | a | 42.00 | a | 47.00 | a | 41.00 | 31.00 | b | 19.00 | 6.00 | a | -12.00 | a | -45.00 | i | |||||
1995 | -15.00 | d | -15.00 | a | -31.00 | a | 11.00 | 32.00 | a | 43.00 | 40.00 | b | 45.00 | c | 21.00 | c | 22.00 | a | 1.00 | -11.00 | a | -31.00 | q | |||
1996 | -33.00 | c | -40.00 | -17.00 | 16.00 | a | 20.00 | 40.00 | a | 44.00 | d | 45.00 | c | 31.00 | a | 13.00 | d | -25.00 | a | -31.00 | a | -40.00 | s | |||
1997 | -35.00 | a | -21.00 | b | -17.00 | a | 5.00 | 24.00 | b | 41.00 | d | 41.00 | a | 49.00 | a | 33.00 | b | 16.00 | d | -3.00 | -5.00 | a | -35.00 | s | ||
1998 | -29.00 | b | -8.00 | b | -19.00 | b | 25.00 | d | 34.00 | 37.00 | b | 49.00 | b | 52.00 | c | 30.00 | c | 23.00 | i | 6.00 | b | -11.00 | ----- | z | ||
1999 | -27.00 | c | -3.00 | b | 11.00 | b | 22.00 | a | 37.00 | b | 45.00 | a | 47.00 | c | 45.00 | a | 30.00 | c | 18.00 | a | 15.00 | b | -17.00 | e | ----- | z |
2000 | -14.00 | d | -8.00 | d | 10.00 | 13.00 | b | 30.00 | b | 42.00 | a | 45.00 | c | 43.00 | c | 20.00 | c | 15.00 | b | -9.00 | d | -26.00 | e | ----- | z | |
2001 | -26.00 | d | -24.00 | a | -10.00 | c | 20.00 | a | 38.00 | 45.00 | 49.00 | c | 45.00 | b | 32.00 | 17.00 | b | 2.00 | b | -10.00 | b | -26.00 | t | |||
2002 | -18.00 | d | -11.00 | -18.00 | a | 11.00 | 19.00 | 39.00 | b | 49.00 | 40.00 | 32.00 | a | 9.00 | a | 4.00 | a | -11.00 | -18.00 | j | ||||||
2003 | -21.00 | b | -21.00 | a | -14.00 | 13.00 | 31.00 | 44.00 | 50.00 | 37.00 | 17.00 | a | 17.00 | -11.00 | -11.00 | b | -21.00 | f | ||||||||
2004 | -27.00 | e | -23.00 | b | 5.00 | 15.00 | b | 24.00 | 39.00 | 44.00 | 34.00 | 29.00 | 20.00 | c | 9.00 | a | -17.00 | a | -27.00 | n | ||||||
2005 | -35.00 | a | -9.00 | b | -3.00 | a | 17.00 | 13.00 | 47.00 | 45.00 | a | 43.00 | a | 31.00 | 17.00 | b | 4.00 | -23.00 | -35.00 | h | ||||||
2006 | 1.00 | a | -14.00 | 10.00 | 22.00 | 30.00 | a | 46.00 | 50.00 | 51.00 | 28.00 | 13.00 | -4.00 | -14.00 | b | -14.00 | d | |||||||||
2007 | -21.00 | -29.00 | a | 10.00 | 4.00 | 34.00 | 44.00 | a | 46.00 | 44.00 | 33.00 | 14.00 | -4.00 | -15.00 | -29.00 | b | ||||||||||
2008 | -24.00 | -17.00 | r | ----- | 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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -24.00 | -20.81 | -6.06 | 14.81 | 28.06 | 41.82 | 46.41 | 43.41 | 27.94 | 16.06 | -1.20 | -16.41 | -21.50 | |||||||||||||
S.D. | 8.93 | 12.17 | 13.05 | 6.08 | 6.83 | 3.00 | 3.22 | 4.58 | 5.08 | 3.57 | 9.12 | 6.93 | 10.61 | |||||||||||||
SKEW | 1.12 | -0.44 | -0.10 | -0.19 | -0.57 | 0.12 | -0.27 | 0.04 | -1.09 | -0.19 | -0.69 | -0.49 | 0.00 | |||||||||||||
MAX | 1.00 | -3.00 | 11.00 | 25.00 | 38.00 | 47.00 | 52.00 | 52.00 | 33.00 | 22.00 | 15.00 | -5.00 | -14.00 | |||||||||||||
MIN | -35.00 | -45.00 | -31.00 | 4.00 | 13.00 | 37.00 | 40.00 | 34.00 | 17.00 | 9.00 | -25.00 | -31.00 | -29.00 | |||||||||||||
YRS | 18 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 16 | 20 | 17 | 2 |