FROST Station : JOHNSTON 4 SW, SC4607 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 = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 30, 32 deg = 30 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-- | March 10 | April 1 | April 11 | | | 2 year in 10 later than-- | March 4 | March 26 | April 6 | | | 5 year in 10 later than-- | February 23 | March 13 | March 27 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 15 | November 4 | October 18 | | | 2 yr in 10 earlier than-- | November 23 | November 9 | October 24 | | | 5 yr in 10 earlier than-- | December 9 | November 19 | November 4 | | | ------------------------------------------------------------------------