FROST Station : MARTINSVILLE FILT PL, VA5300 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 28 Spring: Years of missing data 24 deg = 8, 28 deg = 7, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 23, 32 deg = 25 Fall: Years of missing data 24 deg = 9, 28 deg = 9, 32 deg = 9 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 21, 32 deg = 21 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 20 | May 5 | May 16 | | | 2 year in 10 later than-- | April 14 | April 29 | May 11 | | | 5 year in 10 later than-- | April 5 | April 20 | May 3 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 21 | October 9 |September 27 | | | 2 yr in 10 earlier than-- | October 26 | October 15 | October 1 | | | 5 yr in 10 earlier than-- | November 6 | October 25 | October 10 | | | ------------------------------------------------------------------------