YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.00 | f | 7.00 | -4.00 | ----- | z | ||
1941 | -8.00 | -10.00 | -19.00 | 20.00 | 19.00 | 35.00 | a | 41.00 | 44.00 | 35.00 | 20.00 | c | 14.00 | 2.00 | a | -19.00 | e | |||||||||
1942 | -23.00 | -5.00 | a | 8.00 | 19.00 | 27.00 | 39.00 | 41.00 | 45.00 | b | 29.00 | 25.00 | 9.00 | -8.00 | a | -23.00 | d | |||||||||
1943 | -27.00 | -20.00 | a | -29.00 | 7.00 | 26.00 | 33.00 | 42.00 | a | 48.00 | 35.00 | 30.00 | 11.00 | -8.00 | o | -29.00 | q | |||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 24.00 | 33.00 | 41.00 | 45.00 | 36.00 | 27.00 | 14.00 | -5.00 | ----- | z | ||||||||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | m | 35.00 | 41.00 | b | 48.00 | 29.00 | 28.00 | 18.00 | -5.00 | l | ----- | z | |||||
1946 | ----- | z | ----- | z | ----- | z | 21.00 | 29.00 | 34.00 | 41.00 | 46.00 | 37.00 | c | 28.00 | 9.00 | ----- | z | ----- | z | |||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | 25.00 | 39.00 | a | 44.00 | a | 42.00 | 29.00 | b | 30.00 | 7.00 | ----- | z | ----- | z | ||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 29.00 | 37.00 | 39.00 | a | 51.00 | a | 47.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | 35.00 | a | 43.00 | 46.00 | 35.00 | 22.00 | a | 14.00 | h | ----- | z | ----- | z | ||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 28.00 | l | 35.00 | 37.00 | 38.00 | 34.00 | 27.00 | e | 10.00 | d | ----- | z | ----- | z | ||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | f | 33.00 | d | 42.00 | 43.00 | 33.00 | 18.00 | ----- | z | ----- | z | ----- | z | ||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | 29.00 | 35.00 | a | 41.00 | 45.00 | 36.00 | 12.00 | 20.00 | m | ----- | z | ----- | z | |||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | 34.00 | 42.00 | 48.00 | 38.00 | 28.00 | 26.00 | q | ----- | z | ----- | z | ||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | 40.00 | 44.00 | 48.00 | 38.00 | 21.00 | ----- | z | ----- | z | ----- | z | ||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | 29.00 | 39.00 | 45.00 | a | 53.00 | 38.00 | 29.00 | 28.00 | w | ----- | z | ----- | z | |||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | 25.00 | b | 37.00 | c | 41.00 | 41.00 | a | 33.00 | b | 30.00 | 19.00 | m | ----- | z | ----- | z | ||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | t | 37.00 | 42.00 | 34.00 | b | 33.00 | b | 25.00 | ----- | z | ----- | z | ----- | z | |||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.00 | 44.00 | 43.00 | 39.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.00 | 43.00 | 50.00 | 36.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.00 | 42.00 | 43.00 | 37.00 | a | 25.00 | ----- | z | ----- | z | ----- | z | ||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | 37.00 | 45.00 | b | 46.00 | a | 32.00 | b | 30.00 | ----- | z | ----- | z | ----- | z | |||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | 32.00 | c | 38.00 | c | 45.00 | a | 29.00 | a | 23.00 | c | 26.00 | x | ----- | z | ----- | z | |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | 28.00 | b | 32.00 | c | 39.00 | 41.00 | e | 39.00 | h | 42.00 | f | ----- | z | ----- | z | ----- | z | |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | 32.00 | 45.00 | 45.00 | a | 31.00 | 28.00 | ----- | z | ----- | z | ----- | z | |||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 30.00 | 38.00 | 40.00 | 41.00 | b | 29.00 | 24.00 | ----- | z | ----- | z | ----- | z | |||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 22.00 | e | 36.00 | 47.00 | 46.00 | 34.00 | 31.00 | p | ----- | z | ----- | z | ----- | z | ||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | 39.00 | 41.00 | 44.00 | 31.00 | 20.00 | ----- | z | ----- | z | ----- | z | ||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.00 | 40.00 | a | 41.00 | 38.00 | 22.00 | ----- | z | ----- | z | ----- | z | ||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | r | 35.00 | 39.00 | a | 48.00 | 39.00 | 20.00 | b | ----- | z | ----- | z | ----- | z | |||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | 37.00 | 40.00 | 45.00 | 39.00 | 31.00 | ----- | z | ----- | z | ----- | z | ||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 30.00 | e | 30.00 | 40.00 | 32.00 | 35.00 | 36.00 | ----- | z | ----- | z | ----- | z | |||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | f | 32.00 | 40.00 | 44.00 | 33.00 | 21.00 | ----- | z | ----- | z | ----- | z | |||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 28.00 | o | 38.00 | a | 42.00 | 43.00 | 37.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | 18.00 | 38.00 | 33.00 | 45.00 | 31.00 | 18.00 | a | ----- | z | ----- | z | ----- | z | |||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | 32.00 | c | 33.00 | c | 42.00 | d | 49.00 | a | 35.00 | c | 29.00 | ----- | z | ----- | z | ----- | z | |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | 24.00 | 39.00 | 35.00 | 34.00 | 30.00 | b | 21.00 | c | ----- | z | ----- | z | ----- | z | ||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | 24.00 | 35.00 | 42.00 | 35.00 | 38.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | 17.00 | 35.00 | 43.00 | 45.00 | 37.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | m | 37.00 | 42.00 | 43.00 | 35.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | a | 38.00 | 49.00 | 30.00 | 28.00 | q | ----- | z | ----- | z | ----- | z | |||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | 23.00 | f | 31.00 | a | 41.00 | 51.00 | 25.00 | a | 25.00 | t | ----- | z | ----- | z | ----- | z | ||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | l | 33.00 | a | 43.00 | 41.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | q | 34.00 | 41.00 | 54.00 | 35.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | p | 39.00 | a | 45.00 | a | 48.00 | 34.00 | a | 31.00 | ----- | z | ----- | z | ----- | z | ||
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.00 | 44.00 | 43.00 | 37.00 | ----- | z | 31.00 | o | ----- | z | ----- | z | ||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | 40.00 | r | 34.00 | 42.00 | 45.00 | 38.00 | 23.00 | k | ----- | z | ----- | z | ----- | z | ||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | m | 36.00 | 46.00 | 43.00 | 41.00 | 29.00 | w | ----- | z | ----- | z | ----- | z | ||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | 30.00 | 33.00 | 47.00 | b | 48.00 | 39.00 | 30.00 | k | ----- | z | ----- | z | ----- | z | ||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | n | 34.00 | 43.00 | 45.00 | b | 36.00 | a | 26.00 | p | ----- | z | ----- | z | ----- | z | ||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | 43.00 | 44.00 | 37.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | |||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | 39.00 | r | 38.00 | 33.00 | 45.00 | a | 29.00 | a | 25.00 | m | ----- | z | ----- | z | ----- | z | ||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.00 | 41.00 | 45.00 | a | 31.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||
1993 | ----- | z | ----- | z | ----- | z | ----- | z | 32.00 | q | 38.00 | 41.00 | 49.00 | 31.00 | 31.00 | y | ----- | z | ----- | z | ----- | z | ||||
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | 42.00 | 45.00 | 32.00 | 36.00 | n | ----- | z | ----- | z | ----- | z | ||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.00 | 43.00 | 45.00 | 38.00 | 24.00 | m | ----- | z | ----- | z | ----- | z | ||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | 32.00 | q | 36.00 | 41.00 | a | 40.00 | a | 40.00 | 31.00 | p | ----- | z | ----- | z | ----- | z | ||
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.00 | 52.00 | 40.00 | 34.00 | j | ----- | z | ----- | z | ----- | z | |||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.00 | 46.00 | 37.00 | 36.00 | a | 28.00 | n | ----- | z | ----- | z | ----- | z | |||
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.00 | 28.00 | 33.00 | h | ----- | z | ----- | z | ----- | z | ||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | 32.00 | 35.00 | 39.00 | a | 50.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
2002 | ----- | z | ----- | z | ----- | z | ----- | z | 28.00 | m | 34.00 | b | 47.00 | c | 46.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | 29.00 | f | 36.00 | 42.00 | 45.00 | 38.00 | 26.00 | s | ----- | z | ----- | z | ----- | z | ||||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.00 | u | 35.00 | g | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | 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 |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | l | 38.00 | k | 40.00 | s | 47.00 | m | 40.00 | n | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | r | 36.00 | q | 40.00 | h | 45.00 | k | 34.00 | q | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.00 | v | 37.00 | d | 46.00 | d | 38.00 | j | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | 29.00 | v | 37.00 | u | 36.00 | m | 42.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.00 | i | 44.00 | o | 55.00 | x | 44.00 | o | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.00 | f | 50.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -19.33 | -11.67 | -13.33 | 16.75 | 26.00 | 35.47 | 41.66 | 44.67 | 34.48 | 25.13 | 11.00 | -3.75 | -23.00 | |||||||||||||
S.D. | 10.02 | 7.64 | 19.14 | 6.55 | 4.18 | 2.32 | 3.02 | 4.53 | 3.73 | 5.10 | 3.67 | 4.19 | 0.0 | |||||||||||||
SKEW | 0.58 | -0.38 | 0.50 | -1.10 | -0.43 | -0.04 | -0.44 | -0.57 | -0.40 | -0.33 | 0.67 | 0.58 | 0.00 | |||||||||||||
MAX | -8.00 | -5.00 | 8.00 | 21.00 | 33.00 | 40.00 | 49.00 | 54.00 | 41.00 | 36.00 | 18.00 | 2.00 | -23.00 | |||||||||||||
MIN | -27.00 | -20.00 | -29.00 | 7.00 | 17.00 | 30.00 | 33.00 | 32.00 | 25.00 | 12.00 | 7.00 | -8.00 | -23.00 | |||||||||||||
YRS | 3 | 3 | 3 | 4 | 29 | 60 | 64 | 64 | 56 | 31 | 9 | 4 | 1 |