FROST Station : DU QUOIN 2 S, IL2483 Start yr. - 1971 End yr. - 2000 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 2, 28 deg = 2, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 28 Fall: Years of missing data 24 deg = 2, 28 deg = 2, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 28 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 1 | April 14 | April 25 | | | 2 year in 10 later than-- | March 27 | April 9 | April 20 | | | 5 year in 10 later than-- | March 17 | March 30 | April 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 25 | October 11 |September 30 | | | 2 yr in 10 earlier than-- | October 31 | October 16 | October 5 | | | 5 yr in 10 earlier than-- | November 12 | October 25 | October 15 | | | ------------------------------------------------------------------------