FROST Station : OKMULGEE WATERWORKS, OK6670 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 9, 28 deg = 8, 32 deg = 8 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 22, 32 deg = 22 Fall: Years of missing data 24 deg = 4, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 27, 32 deg = 27 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 30 | April 13 | April 16 | | | 2 year in 10 later than-- | March 24 | April 6 | April 12 | | | 5 year in 10 later than-- | March 12 | March 25 | April 3 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 30 | October 17 | October 10 | | | 2 yr in 10 earlier than-- | November 7 | October 24 | October 16 | | | 5 yr in 10 earlier than-- | November 20 | November 5 | October 27 | | | ------------------------------------------------------------------------