FROST Station : DEERFIELD 3 SE, SD2231 Start yr. - 1981 End yr. - 2000 Requested years of data: 20 Available years of data: 20 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 = 19, 28 deg = 19, 32 deg = 19 Fall: 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 = 19, 28 deg = 19, 32 deg = 19 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 9 | July 10 | July 23 | | | 2 year in 10 later than-- | June 3 | June 30 | July 16 | | | 5 year in 10 later than-- | May 22 | June 13 | July 2 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 3 | August 22 | August 9 | | | 2 yr in 10 earlier than-- |September 8 | August 27 | August 15 | | | 5 yr in 10 earlier than-- |September 17 |September 5 | August 26 | | | ------------------------------------------------------------------------ FROST Station : HILL CITY 1 SSE, SD3868 Start yr. - 1971 End yr. - 1978 Requested years of data: 8 Available years of data: 7 Spring: Years of missing data 24 deg = 8, 28 deg = 6, 32 deg = 6 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 0, 28 deg = 2, 32 deg = 2 Fall: Years of missing data 24 deg = 6, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 2, 28 deg = 3, 32 deg = 3 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | ---------- | ---------- | ---------- | | | 2 year in 10 later than-- | ---------- | ---------- | ---------- | | | 5 year in 10 later than-- | ---------- | ---------- | ---------- | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | ---------- | July 29 | July 31 | | | 2 yr in 10 earlier than-- | ---------- | August 9 | August 6 | | | 5 yr in 10 earlier than-- | ---------- | August 28 | August 17 | | | ------------------------------------------------------------------------ FROST Station : MT RUSHMORE NATL MEM, SD5870 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 = 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 9 | May 23 | June 5 | | | 2 year in 10 later than-- | May 3 | May 17 | May 29 | | | 5 year in 10 later than-- | April 21 | May 4 | May 17 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 26 |September 18 |September 13 | | | 2 yr in 10 earlier than-- | October 3 |September 24 |September 16 | | | 5 yr in 10 earlier than-- | October 15 | October 6 |September 23 | | | ------------------------------------------------------------------------ FROST Station : PACTOLA DAM, SD6427 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 = 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 Fall: Years of missing data 24 deg = 2, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 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-- | May 17 | June 3 | July 1 | | | 2 year in 10 later than-- | May 13 | May 29 | June 23 | | | 5 year in 10 later than-- | May 6 | May 19 | June 7 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 15 |September 8 | August 26 | | | 2 yr in 10 earlier than-- |September 20 |September 12 | August 31 | | | 5 yr in 10 earlier than-- |September 30 |September 19 |September 9 | | | ------------------------------------------------------------------------ FROST Station : RAPID CITY WSO AP, SD6937 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 11 | May 25 | | | 2 year in 10 later than-- | April 26 | May 6 | May 19 | | | 5 year in 10 later than-- | April 18 | April 27 | May 8 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 21 |September 13 | | | 2 yr in 10 earlier than-- | October 1 |September 26 |September 18 | | | 5 yr in 10 earlier than-- | October 14 | October 7 |September 27 | | | ------------------------------------------------------------------------ FROST Station : RAPID CITY, SD6947 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 = 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 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 2 | May 13 | May 23 | | | 2 year in 10 later than-- | April 27 | May 8 | May 18 | | | 5 year in 10 later than-- | April 18 | April 28 | May 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 1 |September 18 |September 11 | | | 2 yr in 10 earlier than-- | October 7 |September 24 |September 17 | | | 5 yr in 10 earlier than-- | October 18 | October 7 |September 28 | | | ------------------------------------------------------------------------ FROST Station : WASTA, SD8911 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 = 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-- | May 3 | May 14 | May 22 | | | 2 year in 10 later than-- | April 28 | May 9 | May 18 | | | 5 year in 10 later than-- | April 20 | April 29 | May 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 18 |September 10 | | | 2 yr in 10 earlier than-- | October 2 |September 23 |September 14 | | | 5 yr in 10 earlier than-- | October 15 | October 4 |September 22 | | | ------------------------------------------------------------------------