FROST Station : JERSEYVILLE 2 SW, IL4489 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 10 | April 18 | May 3 | | | 2 year in 10 later than-- | April 5 | April 13 | April 27 | | | 5 year in 10 later than-- | March 25 | April 4 | April 17 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 15 | October 3 |September 25 | | | 2 yr in 10 earlier than-- | October 23 | October 9 |September 29 | | | 5 yr in 10 earlier than-- | November 6 | October 20 | October 8 | | | ------------------------------------------------------------------------