FROST Station : PRINCETON 6 SW, MO6866 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 29 Spring: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 32 deg = 28 Fall: Years of missing data 24 deg = 2, 28 deg = 2, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 28 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 18 | April 28 | May 10 | | | 2 year in 10 later than-- | April 13 | April 23 | May 5 | | | 5 year in 10 later than-- | April 3 | April 13 | April 25 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 12 |September 30 |September 24 | | | 2 yr in 10 earlier than-- | October 18 | October 5 |September 28 | | | 5 yr in 10 earlier than-- | October 29 | October 16 | October 8 | | | ------------------------------------------------------------------------