FROST Station : ABERDEEN WSO AP, SD0020 Start yr. - 1971 End yr. - 2000 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-- | May 1 | May 13 | May 19 | | | 2 year in 10 later than-- | April 25 | May 7 | May 15 | | | 5 year in 10 later than-- | April 15 | April 26 | May 7 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 27 |September 19 |September 11 | | | 2 yr in 10 earlier than-- | October 3 |September 25 |September 14 | | | 5 yr in 10 earlier than-- | October 13 | October 4 |September 21 | | | ------------------------------------------------------------------------ FROST Station : COLUMBIA 8 N, SD1873 Start yr. - 1971 End yr. - 2000 Requested years of data: 30 Available years of data: 30 Spring: 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 Fall: Years of missing data 24 deg = 1, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 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-- | May 4 | May 13 | May 22 | | | 2 year in 10 later than-- | April 28 | May 8 | May 17 | | | 5 year in 10 later than-- | April 18 | April 29 | May 8 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 26 |September 21 |September 12 | | | 2 yr in 10 earlier than-- | October 1 |September 26 |September 15 | | | 5 yr in 10 earlier than-- | October 10 | October 4 |September 23 | | | ------------------------------------------------------------------------