FROST Station : HILLSBORO 3 N, ND4203 Start yr. - 1961 End yr. - 1990 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 = 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-- | April 29 | May 14 | May 21 | | | 2 year in 10 later than-- | April 24 | May 8 | May 16 | | | 5 year in 10 later than-- | April 15 | April 27 | May 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 29 |September 19 |September 14 | | | 2 yr in 10 earlier than-- | October 4 |September 24 |September 18 | | | 5 yr in 10 earlier than-- | October 14 | October 5 |September 26 | | | ------------------------------------------------------------------------ FROST Station : MAYVILLE, ND5660 Start yr. - 1961 End yr. - 1989 Requested years of data: 29 Available years of data: 28 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 = 27, 28 deg = 27, 32 deg = 27 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 = 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 9 | May 15 | May 24 | | | 2 year in 10 later than-- | May 2 | May 9 | May 20 | | | 5 year in 10 later than-- | April 20 | April 28 | May 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 29 |September 19 |September 9 | | | 2 yr in 10 earlier than-- | October 5 |September 25 |September 14 | | | 5 yr in 10 earlier than-- | October 16 | October 6 |September 24 | | | ------------------------------------------------------------------------