Earliest and Latest Dates
Average date in green.  Some earliest/latest dates did not occur in all years/seasons.
                   
Maximum Temp >=60°   Maximum Temp >=70° Maximum Temp >=80° Maximum Temp >=90° Maximum Temp <32°
First Time Last Time   First Time Last Time First Time Last Time First Time Last Time First Time Last Time
Mar 28 Nov 20   Apr 24 Oct 17 May 27 Sep 16 Jul 12 Jul 28 Dec 9 Mar 6
Earliest Latest   Earliest Latest Earliest Latest Earliest Latest Earliest Latest
Jan 3 2000 Dec 30 1984   Mar 13 1990 Nov 20 1953 Apr 8 1991 Oct 22 1979 May 25 2007 Sep 11 1983 Nov 15 1996 Apr 7 1982
Jan 15 1932 Dec 26 1982   Mar 21 1921 Nov 12 1909 Apr 17 2002 Oct 17 1938 May 29 1931 Sep 11 1931 Nov 16 1933 Apr 5 1995
Jan 24 1967 Dec 16 1971   Mar 22 1948 Nov 10 1988 Apr 17 1976 Oct 14 1920 Jun 4 1919 Sep 5 1961 Nov 18 1924 Apr 1 1923
Latest Earliest   Latest Earliest Latest Earliest Latest Earliest Latest Earliest
May 2 1914 Oct 22 2004   May 29 1997 Sep 15 1993 Jul 2 1972 Aug 23 2006        
Apr 29 1916 Oct 27 1910   May 28 1985 Sep 19 1966 Jun 28 1916 Aug 24 1963        
Apr 28 1901 Oct 28 1939   May 24 1984 Sep 24 1907 Jun 27 1928 Aug 24 1905        
                         
Minimum Temp >=60°   Minimum Temp >=70° Minimum Temp >=32° Max Dew Point >=60°   Max Dew Point >=70°
First Time Last Time   First Time Last Time First Time Last Time First Time Last Time   First Time Last Time
Jun 7 Oct 4   Jul 21 Aug 19 Nov 2 Apr 13 May 13 Nov 5   Jun 23 Sep 15
Earliest Latest   Earliest Latest Earliest Latest Earliest Latest   Earliest Latest
May 20 1903 Nov 6 1961   Jun 6 1925 Sep 22 1989 Oct 8 1954 May 9 1956 Apr 4 1974 Dec 1 2006   May 20 1996 Oct 14 1990
May 22 1951 Nov 3 1936   Jun 8 1999 Sep 22 1957 Oct 9 1953 May 3 1964 Apr 8 1962 Dec 1 2001   May 30 1959 Oct 14 1983
May 22 1911 Nov 3 1927   Jun 9 2008 Sep 19 2002 Oct 11 1981 Apr 30 1992 Apr 9 1991 Nov 28 2003   Jun 7 2008 Oct 9 2005
Latest Earliest   Latest Earliest Latest Earliest Latest Earliest   Latest Earliest
Jun 26 1916 Sep 11 1962       Nov 28 1902 Mar 12 1945 Jun 11 2003 Oct 6 2000   Jul 16 1980 Aug 14 1984
Jun 25 1948 Sep 12 1963       Nov 23 1994 Mar 21 1949 Jun 5 1967 Oct 9 1976   Jul 14 1992 Aug 14 1963
Jun 25 1938 Sep 13 1924       Nov 23 1918 Mar 24 1910 Jun 3 1990 Oct 14 1969   Jul 14 1979 Aug 20 2006
                 
Min Dew Point <=32°   Min Dew Point <=9 Min Dew Point <=0 Snow Trace or More
First Time Last Time   First Time Last Time First Time Last Time First Time Last Time
Oct 5 May 20   Nov 25 Apr 6 Dec 11 Mar 8 Nov 23 Apr 4
Earliest Latest   Earliest Latest Earliest Latest Earliest Latest
Aug 30 1965 Jun 19 1986   Oct 5 1984 May 9 1962 Nov 10 1956 Apr 6 1995 Oct 10 1979 May 10 1977
Sep 14 1959 Jun 18 1950   Oct 27 1974 May 8 1950 Nov 14 1986 Apr 5 1963 Oct 25 1962 May 8 1898
Sep 16 1984 Jun 16 1964   Oct 29 1991 May 7 1995 Nov 16 1979 Apr 4 1954 Oct 28 1903 May 6 1917
Latest Earliest   Latest Earliest Latest Earliest Latest Earliest
Nov 7 1954 Apr 5 1954   Dec 27 2001 Feb 23 1958     Dec 29 1941 Feb 17 1903
Nov 4 1971 Apr 21 1973   Dec 22 1998 Feb 28 1973     Dec 23 1998 Mar 1 2008
Oct 28 2007 Apr 29 1998   Dec 19 1981 Mar 11 1987     Dec 22 1924 Mar 2 2006
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