FROST Station : DEADWOOD, SD2207 Start yr. - 1971 End yr. - 2000 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 29 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-- | May 18 | June 1 | June 13 | | | 2 year in 10 later than-- | May 12 | May 26 | June 7 | | | 5 year in 10 later than-- | April 30 | May 13 | May 27 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 14 |September 7 | | | 2 yr in 10 earlier than-- |September 24 |September 19 |September 11 | | | 5 yr in 10 earlier than-- | October 7 |September 28 |September 17 | | | ------------------------------------------------------------------------ FROST Station : LEAD, SD4834 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 7 | May 18 | June 13 | | | 2 year in 10 later than-- | May 2 | May 14 | June 6 | | | 5 year in 10 later than-- | April 24 | May 6 | May 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 22 |September 15 |September 10 | | | 2 yr in 10 earlier than-- |September 29 |September 21 |September 14 | | | 5 yr in 10 earlier than-- | October 11 | October 2 |September 20 | | | ------------------------------------------------------------------------ FROST Station : SPEARFISH, SD7882 Start yr. - 1971 End yr. - 2000 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 4 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 26, 32 deg = 26 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-- | May 1 | May 5 | May 19 | | | 2 year in 10 later than-- | April 26 | May 1 | May 15 | | | 5 year in 10 later than-- | April 15 | April 23 | May 7 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 5 |September 26 |September 10 | | | 2 yr in 10 earlier than-- | October 11 | October 2 |September 16 | | | 5 yr in 10 earlier than-- | October 22 | October 14 |September 29 | | | ------------------------------------------------------------------------