FROST Station : WILLIAMSBURG 2 N, VA9151 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 30, 28 deg = 30, 32 deg = 30 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 30, 28 deg = 30, 32 deg = 30 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 29 | April 14 | April 29 | | | 2 year in 10 later than-- | March 24 | April 10 | April 24 | | | 5 year in 10 later than-- | March 15 | March 31 | April 13 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 9 | October 29 | October 11 | | | 2 yr in 10 earlier than-- | November 14 | November 3 | October 16 | | | 5 yr in 10 earlier than-- | November 24 | November 13 | October 26 | | | ------------------------------------------------------------------------