FROST Station : PETTIBONE, ND7047 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 = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 29 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 14 | May 25 | June 2 | | | 2 year in 10 later than-- | May 9 | May 20 | May 28 | | | 5 year in 10 later than-- | April 28 | May 9 | May 17 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 24 |September 12 |September 1 | | | 2 yr in 10 earlier than-- |September 30 |September 18 |September 6 | | | 5 yr in 10 earlier than-- | October 10 |September 29 |September 16 | | | ------------------------------------------------------------------------ FROST Station : STEELE, ND8366 Start yr. - 1961 End yr. - 1989 Requested years of data: 29 Available years of data: 27 Spring: Years of missing data 24 deg = 7, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 22, 32 deg = 22 Fall: Years of missing data 24 deg = 8, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 22, 32 deg = 22 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 13 | May 21 | June 2 | | | 2 year in 10 later than-- | May 7 | May 15 | May 27 | | | 5 year in 10 later than-- | April 27 | May 5 | May 16 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 24 |September 12 |September 3 | | | 2 yr in 10 earlier than-- |September 30 |September 17 |September 9 | | | 5 yr in 10 earlier than-- | October 11 |September 28 |September 20 | | | ------------------------------------------------------------------------ FROST Station : TUTTLE, ND8850 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 12 | May 23 | May 29 | | | 2 year in 10 later than-- | May 6 | May 18 | May 24 | | | 5 year in 10 later than-- | April 25 | May 9 | May 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 17 |September 12 | August 31 | | | 2 yr in 10 earlier than-- |September 23 |September 17 |September 5 | | | 5 yr in 10 earlier than-- | October 4 |September 27 |September 14 | | | ------------------------------------------------------------------------ FROST Station : PETTIBONE, ND7047 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 = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 29 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 14 | May 25 | June 2 | | | 2 year in 10 later than-- | May 9 | May 20 | May 28 | | | 5 year in 10 later than-- | April 28 | May 9 | May 17 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 24 |September 12 |September 1 | | | 2 yr in 10 earlier than-- |September 30 |September 18 |September 6 | | | 5 yr in 10 earlier than-- | October 10 |September 29 |September 16 | | | ------------------------------------------------------------------------ FROST Station : STEELE, ND8366 Start yr. - 1961 End yr. - 1989 Requested years of data: 29 Available years of data: 27 Spring: Years of missing data 24 deg = 7, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 22, 32 deg = 22 Fall: Years of missing data 24 deg = 8, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 22, 32 deg = 22 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 13 | May 21 | June 2 | | | 2 year in 10 later than-- | May 7 | May 15 | May 27 | | | 5 year in 10 later than-- | April 27 | May 5 | May 16 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 24 |September 12 |September 3 | | | 2 yr in 10 earlier than-- |September 30 |September 17 |September 9 | | | 5 yr in 10 earlier than-- | October 11 |September 28 |September 20 | | | ------------------------------------------------------------------------ FROST Station : TUTTLE, ND8850 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 12 | May 23 | May 29 | | | 2 year in 10 later than-- | May 6 | May 18 | May 24 | | | 5 year in 10 later than-- | April 25 | May 9 | May 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 17 |September 12 | August 31 | | | 2 yr in 10 earlier than-- |September 23 |September 17 |September 5 | | | 5 yr in 10 earlier than-- | October 4 |September 27 |September 14 | | | ------------------------------------------------------------------------