FROST Station : BARNSDALL, OK0535 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 = 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-- | April 4 | April 11 | April 21 | | | 2 year in 10 later than-- | March 29 | April 6 | April 16 | | | 5 year in 10 later than-- | March 18 | March 28 | April 8 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 1 | October 19 | October 7 | | | 2 yr in 10 earlier than-- | November 5 | October 24 | October 12 | | | 5 yr in 10 earlier than-- | November 15 | November 3 | October 22 | | | ------------------------------------------------------------------------ FROST Station : HULAH DAM, OK4393 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 10, 28 deg = 10, 32 deg = 10 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 20 Fall: Years of missing data 24 deg = 7, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 25, 32 deg = 25 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 5 | April 12 | April 24 | | | 2 year in 10 later than-- | March 30 | April 8 | April 19 | | | 5 year in 10 later than-- | March 20 | March 30 | April 10 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 28 | October 19 | October 5 | | | 2 yr in 10 earlier than-- | November 2 | October 24 | October 9 | | | 5 yr in 10 earlier than-- | November 12 | November 3 | October 17 | | | ------------------------------------------------------------------------ FROST Station : PAWHUSKA, OK6935 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 = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 30 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-- | April 7 | April 11 | April 22 | | | 2 year in 10 later than-- | April 1 | April 7 | April 18 | | | 5 year in 10 later than-- | March 20 | March 30 | April 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 1 | October 22 | October 7 | | | 2 yr in 10 earlier than-- | November 6 | October 26 | October 12 | | | 5 yr in 10 earlier than-- | November 16 | November 5 | October 21 | | | ------------------------------------------------------------------------