FROST Station : MARION 4 NNE, IL5342 Start yr. - 1971 End yr. - 1998 Requested years of data: 28 Available years of data: 28 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 = 27, 28 deg = 27, 32 deg = 27 Fall: 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 = 27, 28 deg = 27, 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 13 | April 16 | April 25 | | | 2 year in 10 later than-- | April 7 | April 12 | April 21 | | | 5 year in 10 later than-- | March 28 | April 3 | April 14 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 27 | October 15 | October 2 | | | 2 yr in 10 earlier than-- | November 1 | October 20 | October 8 | | | 5 yr in 10 earlier than-- | November 11 | October 30 | October 18 | | | ------------------------------------------------------------------------