FROST Station : CHEROKEE, OK1724 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 32 deg = 27 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-- | April 5 | April 9 | April 21 | | | 2 year in 10 later than-- | March 30 | April 5 | April 17 | | | 5 year in 10 later than-- | March 18 | March 29 | April 10 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 1 | October 20 | October 11 | | | 2 yr in 10 earlier than-- | November 7 | October 26 | October 16 | | | 5 yr in 10 earlier than-- | November 19 | November 6 | October 26 | | | ------------------------------------------------------------------------ FROST Station : GREAT SALT PLAINS DAM, OK3740 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 7, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 23, 32 deg = 23 Fall: Years of missing data 24 deg = 8, 28 deg = 8, 32 deg = 8 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 22, 32 deg = 22 ------------------------------------------------------------------------ | 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 6 | April 14 | | | 2 year in 10 later than-- | March 24 | April 1 | April 10 | | | 5 year in 10 later than-- | March 13 | March 21 | April 2 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 5 | October 28 | October 20 | | | 2 yr in 10 earlier than-- | November 10 | November 1 | October 25 | | | 5 yr in 10 earlier than-- | November 19 | November 10 | November 2 | | | ------------------------------------------------------------------------ FROST Station : HELENA 1 SSE, OK4019 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 32 deg = 28 Fall: 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 ------------------------------------------------------------------------ | 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 19 | March 31 | April 10 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 1 | October 25 | October 13 | | | 2 yr in 10 earlier than-- | November 7 | October 31 | October 18 | | | 5 yr in 10 earlier than-- | November 18 | November 10 | October 27 | | | ------------------------------------------------------------------------