FROST Station : MOUNT CARROLL, IL5901 Start yr. - 1971 End yr. - 2000 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 4 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 26, 32 deg = 26 Fall: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 26, 32 deg = 27 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 26 | May 14 | May 25 | | | 2 year in 10 later than-- | April 21 | May 8 | May 20 | | | 5 year in 10 later than-- | April 12 | April 27 | May 10 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 28 |September 20 |September 11 | | | 2 yr in 10 earlier than-- | October 4 |September 25 |September 15 | | | 5 yr in 10 earlier than-- | October 15 | October 5 |September 25 | | | ------------------------------------------------------------------------