FROST Station : COLUMBIA WSFO AP, SC1939 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: 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 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 1, 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 22 | April 2 | April 18 | | | 2 year in 10 later than-- | March 13 | March 26 | April 12 | | | 5 year in 10 later than-- | February 25 | March 14 | March 31 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 11 | October 27 | October 13 | | | 2 yr in 10 earlier than-- | November 16 | November 1 | October 19 | | | 5 yr in 10 earlier than-- | November 27 | November 13 | October 31 | | | ------------------------------------------------------------------------