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 | ----- | 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 | 51.00 | 36.00 | 33.00 | 30.00 | a | ----- | z | |||
1995 | 37.00 | 40.00 | 40.00 | 30.00 | d | 46.00 | e | 47.00 | a | 56.00 | 57.00 | b | 54.00 | 49.00 | b | 43.00 | a | 37.00 | b | 30.00 | q | |||||
1996 | 35.00 | f | 35.00 | 41.00 | 42.00 | a | 47.00 | b | 48.00 | 48.00 | 53.00 | a | 46.00 | 38.00 | 39.00 | 33.00 | b | 33.00 | l | |||||||
1997 | 33.00 | a | 40.00 | 38.00 | 38.00 | 38.00 | a | 53.00 | a | 55.00 | a | 60.00 | 54.00 | a | 44.00 | c | 35.00 | b | 28.00 | c | 28.00 | m | ||||
1998 | 30.00 | f | 39.00 | a | 38.00 | c | 41.00 | b | 41.00 | c | 42.00 | a | 42.00 | b | 45.00 | g | 54.00 | a | 47.00 | b | 41.00 | 24.00 | c | ----- | z | |
1999 | 26.00 | d | 35.00 | a | 41.00 | b | 35.00 | a | 45.00 | a | 44.00 | 54.00 | 57.00 | 56.00 | 50.00 | 39.00 | a | 35.00 | 26.00 | j | ||||||
2000 | 33.00 | a | 40.00 | 40.00 | a | 43.00 | b | 46.00 | a | 54.00 | d | 55.00 | d | 57.00 | 54.00 | 49.00 | 35.00 | b | 36.00 | a | 33.00 | p | ||||
2001 | 34.00 | 37.00 | e | 42.00 | 39.00 | b | 49.00 | a | 52.00 | 53.00 | 54.00 | 45.00 | 41.00 | 38.00 | 33.00 | a | 33.00 | i | ||||||||
2002 | 31.00 | d | 33.00 | 30.00 | b | 37.00 | 49.00 | c | 44.00 | b | 56.00 | 53.00 | a | 48.00 | a | 44.00 | 42.00 | 34.00 | 30.00 | m | ||||||
2003 | 36.00 | a | 35.00 | b | 39.00 | b | 39.00 | d | 45.00 | c | 51.00 | a | 55.00 | c | 61.00 | a | 58.00 | 46.00 | 34.00 | a | 31.00 | 31.00 | r | |||
2004 | 33.00 | b | 35.00 | 41.00 | b | 45.00 | 53.00 | a | 54.00 | 63.00 | 62.00 | a | 44.00 | 44.00 | a | 34.00 | a | 27.00 | 27.00 | h | ||||||
2005 | 37.00 | 39.00 | 41.00 | 44.00 | 52.00 | 51.00 | a | 62.00 | a | 56.00 | 50.00 | 43.00 | 39.00 | 33.00 | b | 33.00 | d | |||||||||
2006 | 36.00 | 37.00 | c | 34.00 | a | 42.00 | d | 43.00 | 50.00 | 59.00 | c | 47.00 | b | 40.00 | c | 43.00 | 37.00 | 32.00 | 32.00 | p | ||||||
2007 | 27.00 | 36.00 | b | 36.00 | 35.00 | 40.00 | 47.00 | e | 47.00 | d | 53.00 | 48.00 | f | 42.00 | a | 35.00 | h | 25.00 | i | ----- | z | |||||
2008 | 30.00 | a | 32.00 | d | 35.00 | 36.00 | 44.00 | a | 54.00 | a | 65.00 | a | 63.00 | b | 56.00 | 39.00 | 39.00 | 28.00 | 28.00 | j | ||||||
2009 | 30.00 | 30.00 | 31.00 | a | 36.00 | a | 52.00 | 52.00 | 62.00 | 60.00 | 47.00 | a | 35.00 | b | 32.00 | 25.00 | a | 25.00 | f | |||||||
2010 | 33.00 | 34.00 | 31.00 | 35.00 | 43.00 | 53.00 | c | 62.00 | b | 54.00 | 53.00 | n | 42.00 | 26.00 | 28.00 | b | 26.00 | u | ||||||||
2011 | 28.00 | a | 28.00 | a | 29.00 | c | 30.00 | 41.00 | 46.00 | 57.00 | d | 59.00 | 63.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | ||||
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.27 | 35.59 | 36.88 | 38.06 | 45.53 | 49.53 | 55.94 | 56.63 | 50.47 | 43.06 | 36.63 | 30.88 | 33.00 | |||||||||||||
S.D. | 3.53 | 3.52 | 4.41 | 4.45 | 4.40 | 3.92 | 6.15 | 4.19 | 5.26 | 4.39 | 4.32 | 3.90 | 0.0 | |||||||||||||
SKEW | -0.29 | -0.50 | -0.58 | -0.25 | 0.17 | -0.49 | -0.60 | -0.45 | -0.40 | -0.18 | -0.72 | -0.19 | 0.00 | |||||||||||||
MAX | 37.00 | 40.00 | 42.00 | 45.00 | 53.00 | 54.00 | 65.00 | 63.00 | 58.00 | 50.00 | 43.00 | 37.00 | 33.00 | |||||||||||||
MIN | 26.00 | 28.00 | 29.00 | 30.00 | 38.00 | 42.00 | 42.00 | 47.00 | 40.00 | 35.00 | 26.00 | 24.00 | 33.00 | |||||||||||||
YRS | 15 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 17 | 16 | 16 | 1 |