FROST Station : BIXBY, OK0782 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 5, 28 deg = 4, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 26, 32 deg = 27 Fall: Years of missing data 24 deg = 5, 28 deg = 4, 32 deg = 4 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 26, 32 deg = 26 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 1 | April 7 | April 16 | | | 2 year in 10 later than-- | March 27 | April 3 | April 12 | | | 5 year in 10 later than-- | March 16 | March 25 | April 3 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 1 | October 24 | October 9 | | | 2 yr in 10 earlier than-- | November 8 | October 29 | October 14 | | | 5 yr in 10 earlier than-- | November 21 | November 7 | October 25 | | | ------------------------------------------------------------------------ FROST Station : KEYSTONE DAM, OK4812 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 8, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 23, 32 deg = 23 Fall: Years of missing data 24 deg = 3, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 29, 32 deg = 29 ------------------------------------------------------------------------ | 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 9 | April 18 | | | 2 year in 10 later than-- | March 26 | April 4 | April 14 | | | 5 year in 10 later than-- | March 17 | March 26 | April 6 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 4 | October 24 | October 5 | | | 2 yr in 10 earlier than-- | November 9 | October 29 | October 11 | | | 5 yr in 10 earlier than-- | November 19 | November 7 | October 23 | | | ------------------------------------------------------------------------ FROST Station : TULSA WSO AP, OK8992 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 = 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-- | March 25 | April 1 | April 9 | | | 2 year in 10 later than-- | March 18 | March 26 | April 4 | | | 5 year in 10 later than-- | March 4 | March 14 | March 26 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 11 | November 4 | October 26 | | | 2 yr in 10 earlier than-- | November 17 | November 9 | October 31 | | | 5 yr in 10 earlier than-- | November 28 | November 18 | November 8 | | | ------------------------------------------------------------------------