YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | ----- | 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 | 15.00 | g | 22.00 | 39.00 | 42.00 | 39.00 | 30.00 | 16.00 | 9.00 | -12.00 | ----- | z | ||||||||
1989 | -6.00 | -23.00 | -12.00 | 3.00 | 20.00 | 32.00 | b | 46.00 | c | 45.00 | d | 32.00 | 14.00 | 7.00 | -37.00 | b | -37.00 | k | ||||||||
1990 | 7.00 | -21.00 | 7.00 | 5.00 | 24.00 | a | 37.00 | 38.00 | b | 43.00 | 33.00 | c | 20.00 | 1.00 | -35.00 | b | -35.00 | h | ||||||||
1991 | -16.00 | 10.00 | 7.00 | 12.00 | 18.00 | 42.00 | a | 44.00 | j | 48.00 | 28.00 | c | -3.00 | c | -9.00 | -0.00 | b | -16.00 | s | |||||||
1992 | -13.00 | b | 11.00 | 10.00 | 10.00 | a | 33.00 | g | 41.00 | i | 45.00 | 36.00 | 29.00 | a | 15.00 | 4.00 | -10.00 | d | -13.00 | x | ||||||
1993 | -9.00 | -18.00 | 4.00 | b | 20.00 | 23.00 | 34.00 | b | 38.00 | c | 35.00 | g | 24.00 | c | 1.00 | -11.00 | 2.00 | -18.00 | q | |||||||
1994 | -6.00 | -17.00 | 7.00 | 16.00 | a | 28.00 | d | 35.00 | b | 40.00 | d | 47.00 | g | 28.00 | 19.00 | 7.00 | -3.00 | -17.00 | r | |||||||
1995 | -17.00 | -12.00 | a | -9.00 | a | 15.00 | 28.00 | b | 32.00 | c | 43.00 | g | 39.00 | d | 26.00 | b | 12.00 | 1.00 | a | -6.00 | b | -17.00 | w | |||
1996 | -17.00 | -26.00 | -6.00 | a | 13.00 | 25.00 | 35.00 | c | 46.00 | 41.00 | g | 26.00 | 15.00 | -3.00 | -12.00 | a | -26.00 | l | ||||||||
1997 | -14.00 | -6.00 | 5.00 | 4.00 | a | 21.00 | 42.00 | 40.00 | 46.00 | 33.00 | 4.00 | -2.00 | 3.00 | -14.00 | a | |||||||||||
1998 | -4.00 | a | 11.00 | -5.00 | 19.00 | 30.00 | 29.00 | 51.00 | 43.00 | 39.00 | a | 21.00 | 13.00 | -23.00 | b | -23.00 | d | |||||||||
1999 | 6.00 | 4.00 | 5.00 | 17.00 | 25.00 | 38.00 | a | 43.00 | a | 48.00 | a | 25.00 | a | 14.00 | a | -5.00 | 3.00 | -5.00 | e | |||||||
2000 | 3.00 | a | 4.00 | 15.00 | 14.00 | 22.00 | a | 37.00 | 45.00 | a | 47.00 | 23.00 | 19.00 | -13.00 | -7.00 | -13.00 | c | |||||||||
2001 | -4.00 | -18.00 | b | -0.00 | 17.00 | 29.00 | 34.00 | a | 49.00 | 42.00 | a | 28.00 | 18.00 | -5.00 | 2.00 | a | -18.00 | e | ||||||||
2002 | -11.00 | -7.00 | -12.00 | 11.00 | b | 16.00 | a | 37.00 | 47.00 | 42.00 | 30.00 | 8.00 | -1.00 | 1.00 | -12.00 | c | ||||||||||
2003 | -1.00 | -15.00 | 3.00 | 18.00 | b | 29.00 | 33.00 | b | 48.00 | b | 47.00 | a | 28.00 | a | 19.00 | -3.00 | a | -6.00 | -15.00 | i | ||||||
2004 | -15.00 | -12.00 | 12.00 | 20.00 | 25.00 | g | 31.00 | f | 43.00 | 36.00 | 35.00 | 24.00 | -8.00 | -9.00 | -15.00 | m | ||||||||||
2005 | -10.00 | -1.00 | 8.00 | 18.00 | 18.00 | 39.00 | 44.00 | 42.00 | 32.00 | 19.00 | 13.00 | a | -18.00 | -18.00 | a | |||||||||||
2006 | 6.00 | -24.00 | -6.00 | 20.00 | 26.00 | 35.00 | 49.00 | 43.00 | a | 27.00 | 9.00 | -6.00 | -6.00 | -24.00 | a | |||||||||||
2007 | -5.00 | a | -12.00 | a | 8.00 | 14.00 | 30.00 | 31.00 | 47.00 | 49.00 | 32.00 | 22.00 | a | -5.00 | -10.00 | -12.00 | c | |||||||||
2008 | -11.00 | a | 3.00 | 8.00 | 15.00 | 14.00 | 37.00 | a | 43.00 | 43.00 | 32.00 | 11.00 | 7.00 | a | ----- | z | ----- | z | ||||||||
2009 | -21.00 | 4.00 | -0.00 | 10.00 | 30.00 | 38.00 | 42.00 | a | 39.00 | f | 25.00 | 9.00 | ----- | z | ----- | z | ----- | z | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -7.52 | -7.86 | 2.33 | 13.86 | 23.90 | 35.80 | 44.30 | 43.22 | 29.32 | 13.91 | -0.43 | -9.15 | -16.57 | |||||||||||||
S.D. | 8.24 | 12.26 | 7.86 | 5.18 | 4.95 | 3.46 | 3.67 | 3.93 | 3.92 | 7.00 | 7.58 | 11.55 | 5.16 | |||||||||||||
SKEW | 0.35 | 0.18 | -0.49 | -0.75 | -0.39 | 0.00 | -0.09 | -0.36 | 0.49 | -0.81 | 0.27 | -1.18 | -0.56 | |||||||||||||
MAX | 7.00 | 11.00 | 15.00 | 20.00 | 30.00 | 42.00 | 51.00 | 49.00 | 39.00 | 24.00 | 13.00 | 3.00 | -12.00 | |||||||||||||
MIN | -21.00 | -26.00 | -12.00 | 3.00 | 14.00 | 29.00 | 38.00 | 36.00 | 23.00 | -3.00 | -13.00 | -37.00 | -24.00 | |||||||||||||
YRS | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 18 | 22 | 22 | 21 | 20 | 7 |