FROST Station : WARRENTON 1 N, MO8725 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 29 Spring: Years of missing data 24 deg = 15, 28 deg = 14, 32 deg = 14 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 15, 28 deg = 16, 32 deg = 16 Fall: Years of missing data 24 deg = 12, 28 deg = 12, 32 deg = 12 Years with no occurrence 24 deg = 1, 28 deg = 1, 32 deg = 1 Data years used 24 deg = 18, 28 deg = 18, 32 deg = 18 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 9 | April 11 | April 24 | | | 2 year in 10 later than-- | April 4 | April 7 | April 20 | | | 5 year in 10 later than-- | March 25 | March 30 | April 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 31 | October 14 | October 3 | | | 2 yr in 10 earlier than-- | November 7 | October 22 | October 9 | | | 5 yr in 10 earlier than-- | November 25 | November 12 | October 27 | | | ------------------------------------------------------------------------