YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.00 | s | 37.00 | c | 31.00 | d | 10.00 | e | -4.00 | h | ----- | z |
1947 | -14.00 | f | -11.00 | c | 12.00 | b | 26.00 | a | 33.00 | e | 44.00 | c | 52.00 | b | 53.00 | a | 30.00 | a | 40.00 | a | -5.00 | f | -1.00 | e | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.00 | ----- | 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 | -2.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | a | ----- | 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 | 47.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 38.00 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 30.00 | ----- | z | ----- | z | ----- | z | 35.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | 46.00 | ----- | z | ----- | z | 17.00 | ----- | 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 | 43.00 | ----- | 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 | 8.00 | ----- | z | ----- | z | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | ----- | z | ----- | z | ----- | z | ----- | z | |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.00 | t | ----- | 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 | ----- | z | ----- | z | 44.00 | 53.00 | 46.00 | 37.00 | 26.00 | 13.00 | 5.00 | ----- | z | |||||||
2003 | -11.00 | -10.00 | -7.00 | 16.00 | 29.00 | k | 38.00 | a | 52.00 | a | 50.00 | 35.00 | 27.00 | 12.00 | -1.00 | -11.00 | m | |||||||||
2004 | -13.00 | d | -5.00 | k | 9.00 | a | 25.00 | 27.00 | 47.00 | b | 51.00 | b | 42.00 | a | 38.00 | a | 29.00 | b | 19.00 | -15.00 | e | ----- | z | |||
2005 | -9.00 | 3.00 | 1.00 | 29.00 | 30.00 | a | 48.00 | 50.00 | 49.00 | 36.00 | a | 31.00 | 7.00 | -8.00 | a | -9.00 | c | |||||||||
2006 | 12.00 | -21.00 | 12.00 | c | 23.00 | 35.00 | c | 45.00 | 55.00 | 50.00 | 36.00 | 23.00 | 17.00 | a | 2.00 | a | -21.00 | h | ||||||||
2007 | -2.00 | -19.00 | -2.00 | a | 18.00 | 38.00 | 46.00 | b | 48.00 | 52.00 | a | 31.00 | a | 30.00 | a | 13.00 | a | -3.00 | -19.00 | g | ||||||
2008 | -17.00 | -14.00 | -4.00 | 27.00 | 31.00 | 50.00 | 51.00 | 49.00 | 43.00 | 26.00 | 10.00 | -10.00 | -17.00 | |||||||||||||
2009 | -21.00 | -7.00 | a | -2.00 | 21.00 | 34.00 | c | 42.00 | 49.00 | ----- | z | 34.00 | 23.00 | 24.00 | a | -5.00 | b | ----- | z | |||||||
2010 | -8.00 | a | 1.00 | 15.00 | 24.00 | 23.00 | 49.00 | 47.00 | 50.00 | 37.00 | a | 25.00 | 14.00 | -9.00 | -9.00 | b | ||||||||||
2011 | -17.00 | a | -12.00 | 8.00 | 24.00 | 32.00 | j | 46.00 | 56.00 | m | ----- | z | 37.00 | u | 29.00 | 19.00 | 7.00 | ----- | z | |||||||
2012 | -10.00 | 2.00 | 9.00 | 26.00 | a | ----- | z | 45.00 | c | 56.00 | d | 47.00 | a | 33.00 | c | 25.00 | 10.00 | 5.00 | ----- | z | ||||||
2013 | -10.00 | a | -9.00 | 3.00 | 21.00 | a | 30.00 | a | 44.00 | 49.00 | 46.00 | 39.00 | a | 26.00 | a | 6.00 | -17.00 | -17.00 | e | |||||||
2014 | -22.00 | -13.00 | -13.00 | 15.00 | 34.00 | 49.00 | 48.00 | 49.00 | a | 33.00 | 27.00 | 3.00 | -3.00 | -22.00 | a | |||||||||||
2015 | -16.00 | -17.00 | -7.00 | 25.00 | 33.00 | ----- | z | 50.00 | w | 51.00 | 39.00 | a | 39.00 | x | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -10.43 | -9.77 | 2.43 | 22.86 | 31.50 | 44.69 | 50.00 | 48.27 | 35.65 | 26.76 | 12.33 | -3.79 | -14.25 | |||||||||||||
S.D. | 8.87 | 7.77 | 8.58 | 4.17 | 3.94 | 4.29 | 3.42 | 3.10 | 3.22 | 5.06 | 5.61 | 7.37 | 6.40 | |||||||||||||
SKEW | 1.03 | 0.42 | -0.17 | -0.60 | -0.56 | -1.36 | -0.12 | -0.55 | 0.29 | 0.58 | 0.40 | -0.26 | -0.29 | |||||||||||||
MAX | 12.00 | 3.00 | 15.00 | 29.00 | 38.00 | 50.00 | 56.00 | 53.00 | 43.00 | 40.00 | 24.00 | 7.00 | -9.00 | |||||||||||||
MIN | -22.00 | -21.00 | -13.00 | 15.00 | 23.00 | 33.00 | 43.00 | 42.00 | 30.00 | 17.00 | 3.00 | -17.00 | -22.00 | |||||||||||||
YRS | 14 | 13 | 14 | 14 | 12 | 16 | 15 | 15 | 17 | 17 | 15 | 14 | 4 |