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                             FROSTS AND FREEZES (Hagerstown MD)
                             
                           NORMALS

Normal first frost is October 6th thats usually with air temperature above 32 F. 
but frost is observed on the ground.
Normal first freeze 32 F. or lower is October 13th
Normal last freeze in the spring is April 29th

                           EXTREMES
 
EARLIEST FROST:  August 29th 1982 low of 36 F
                 Another very early date is Sept 7th 1924 low of 35 F.
 
EARLIEST FREEZE OF 32 OR LOWER: Sept 11th 1924 AND 1917 32 F.

EARLIEST 20 DEGREE TEMPS: 29 F. Sept 25th 1942
                          25 F. Sept 26th 1943
                          27 F. Sept 27th 1947
                          27 F. Sept 29th 1942

LATEST EVER FREEZE IN SPRING:  May 29TH 1936 Low of 31 F.

LATEST WITHOUT A FREEZE IN THE FALL: Not until November 9th 2004 low of 29 for record latest into fall.
2nd latest November 5th 1971 AND 1927 with and low of 28 F. both years