FROST Station : FAIRFIELD RADIO WFIW, IL2931 Start yr. - 1971 End yr. - 2000 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 29 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-- | April 12 | April 15 | April 30 | | | 2 year in 10 later than-- | April 6 | April 11 | April 25 | | | 5 year in 10 later than-- | March 26 | April 3 | April 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 24 | October 12 |September 27 | | | 2 yr in 10 earlier than-- | October 29 | October 17 | October 2 | | | 5 yr in 10 earlier than-- | November 9 | October 27 | October 12 | | | ------------------------------------------------------------------------