FROST Station : ATOKA DAM, OK0394 Start yr. - 1963 End yr. - 1990 Requested years of data: 28 Available years of data: 28 Spring: Years of missing data 24 deg = 9, 28 deg = 9, 32 deg = 9 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 19, 28 deg = 19, 32 deg = 19 Fall: Years of missing data 24 deg = 9, 28 deg = 9, 32 deg = 9 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 19, 28 deg = 19, 32 deg = 19 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 19 | March 31 | April 10 | | | 2 year in 10 later than-- | March 11 | March 25 | April 5 | | | 5 year in 10 later than-- | February 25 | March 14 | March 25 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 6 | November 1 | October 23 | | | 2 yr in 10 earlier than-- | November 15 | November 6 | October 29 | | | 5 yr in 10 earlier than-- | December 1 | November 17 | November 9 | | | ------------------------------------------------------------------------