FROST Station : CHATHAM, VA1614 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 32 deg = 27 Fall: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 25, 32 deg = 25 ------------------------------------------------------------------------ | 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 3 | May 13 | | | 2 year in 10 later than-- | April 12 | April 26 | May 8 | | | 5 year in 10 later than-- | March 27 | April 13 | April 29 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 15 | October 5 |September 26 | | | 2 yr in 10 earlier than-- | October 21 | October 10 | October 1 | | | 5 yr in 10 earlier than-- | November 3 | October 20 | October 11 | | | ------------------------------------------------------------------------