FROST Station : HARROLD 12 SSW, SD3608 Start yr. - 1971 End yr. - 1996 Requested years of data: 26 Available years of data: 26 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 = 25, 28 deg = 25, 32 deg = 25 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 = 25, 28 deg = 25, 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-- | May 14 | May 15 | June 11 | | | 2 year in 10 later than-- | May 9 | May 11 | June 2 | | | 5 year in 10 later than-- | April 30 | May 4 | May 17 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 24 |September 14 |September 1 | | | 2 yr in 10 earlier than-- |September 28 |September 18 |September 6 | | | 5 yr in 10 earlier than-- | October 7 |September 27 |September 16 | | | ------------------------------------------------------------------------ FROST Station : PIERRE FAA AP, SD6597 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-- | April 27 | May 5 | May 15 | | | 2 year in 10 later than-- | April 22 | April 30 | May 10 | | | 5 year in 10 later than-- | April 12 | April 22 | May 2 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 3 |September 26 |September 19 | | | 2 yr in 10 earlier than-- | October 9 | October 1 |September 24 | | | 5 yr in 10 earlier than-- | October 20 | October 11 | October 3 | | | ------------------------------------------------------------------------