FROST Station : DICKINSON FAA AP, ND2183 Start yr. - 1961 End yr. - 1990 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 9 | May 16 | May 27 | | | 2 year in 10 later than-- | May 3 | May 12 | May 21 | | | 5 year in 10 later than-- | April 23 | May 3 | May 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 19 |September 6 | | | 2 yr in 10 earlier than-- | October 2 |September 24 |September 12 | | | 5 yr in 10 earlier than-- | October 15 | October 3 |September 24 | | | ------------------------------------------------------------------------ FROST Station : DICKINSON EXP STATION, ND2188 Start yr. - 1961 End yr. - 1990 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 = 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 17 | May 29 | June 12 | | | 2 year in 10 later than-- | May 12 | May 23 | June 5 | | | 5 year in 10 later than-- | May 2 | May 11 | May 22 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 19 |September 7 | August 28 | | | 2 yr in 10 earlier than-- |September 24 |September 12 |September 2 | | | 5 yr in 10 earlier than-- | October 5 |September 23 |September 12 | | | ------------------------------------------------------------------------ FROST Station : RICHARDTON ABBEY, ND7530 Start yr. - 1961 End yr. - 1990 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 = 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 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 6 | May 17 | May 27 | | | 2 year in 10 later than-- | May 1 | May 12 | May 22 | | | 5 year in 10 later than-- | April 22 | May 3 | May 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 27 |September 20 |September 9 | | | 2 yr in 10 earlier than-- | October 3 |September 25 |September 14 | | | 5 yr in 10 earlier than-- | October 13 | October 4 |September 25 | | | ------------------------------------------------------------------------