FROST Station : POPLAR BLUFF R S, MO6791 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 10, 28 deg = 10, 32 deg = 10 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 20 Fall: Years of missing data 24 deg = 8, 28 deg = 7, 32 deg = 6 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 23, 32 deg = 24 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 5 | April 9 | April 17 | | | 2 year in 10 later than-- | March 30 | April 5 | April 12 | | | 5 year in 10 later than-- | March 18 | March 26 | April 3 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 31 | October 26 | October 14 | | | 2 yr in 10 earlier than-- | November 6 | October 30 | October 19 | | | 5 yr in 10 earlier than-- | November 18 | November 7 | October 27 | | | ------------------------------------------------------------------------