FROST Station : GRUNDY, VA3640 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 10, 28 deg = 10, 32 deg = 9 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 21 Fall: Years of missing data 24 deg = 8, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 23, 32 deg = 23 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 14 | April 23 | May 9 | | | 2 year in 10 later than-- | April 6 | April 19 | May 4 | | | 5 year in 10 later than-- | March 23 | April 11 | April 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 20 | October 13 | October 7 | | | 2 yr in 10 earlier than-- | October 28 | October 19 | October 12 | | | 5 yr in 10 earlier than-- | November 11 | October 31 | October 21 | | | ------------------------------------------------------------------------