FROST Station : PORT GIBSON 1 NW, MS7132 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 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 = 29, 28 deg = 29, 32 deg = 29 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 = 30, 28 deg = 30, 32 deg = 30 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 15 | March 28 | April 9 | | | 2 year in 10 later than-- | March 7 | March 21 | April 4 | | | 5 year in 10 later than-- | February 22 | March 8 | March 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 13 | November 3 | October 18 | | | 2 yr in 10 earlier than-- | November 20 | November 8 | October 23 | | | 5 yr in 10 earlier than-- | December 3 | November 17 | November 3 | | | ------------------------------------------------------------------------