FROST Station : CAIRO 3 N, IL1166 Start yr. - 1971 End yr. - 1986 Requested years of data: 16 Available years of data: 16 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 = 16, 28 deg = 16, 32 deg = 16 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 = 16, 28 deg = 16, 32 deg = 16 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 16 | March 30 | April 3 | | | 2 year in 10 later than-- | March 9 | March 22 | March 29 | | | 5 year in 10 later than-- | February 25 | March 7 | March 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 15 | November 1 | October 29 | | | 2 yr in 10 earlier than-- | November 21 | November 7 | November 3 | | | 5 yr in 10 earlier than-- | December 3 | November 19 | November 13 | | | ------------------------------------------------------------------------