FROST Station : BOWBELLS, ND0961 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 13 | May 27 | June 4 | | | 2 year in 10 later than-- | May 9 | May 21 | May 30 | | | 5 year in 10 later than-- | April 30 | May 11 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 20 |September 2 | August 25 | | | 2 yr in 10 earlier than-- |September 26 |September 9 | August 31 | | | 5 yr in 10 earlier than-- | October 7 |September 23 |September 12 | | | ------------------------------------------------------------------------ FROST Station : POWERS LAKE 1 N, ND7281 Start yr. - 1961 End yr. - 1990 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 = 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 19 | June 3 | June 11 | | | 2 year in 10 later than-- | May 14 | May 27 | June 5 | | | 5 year in 10 later than-- | May 4 | May 13 | May 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 14 |September 8 | August 23 | | | 2 yr in 10 earlier than-- |September 19 |September 13 | August 28 | | | 5 yr in 10 earlier than-- |September 30 |September 22 |September 8 | | | ------------------------------------------------------------------------ FROST Station : BOWBELLS, ND0961 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 13 | May 27 | June 4 | | | 2 year in 10 later than-- | May 9 | May 21 | May 30 | | | 5 year in 10 later than-- | April 30 | May 11 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 20 |September 2 | August 25 | | | 2 yr in 10 earlier than-- |September 26 |September 9 | August 31 | | | 5 yr in 10 earlier than-- | October 7 |September 23 |September 12 | | | ------------------------------------------------------------------------ FROST Station : POWERS LAKE 1 N, ND7281 Start yr. - 1961 End yr. - 1990 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 = 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 19 | June 3 | June 11 | | | 2 year in 10 later than-- | May 14 | May 27 | June 5 | | | 5 year in 10 later than-- | May 4 | May 13 | May 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 14 |September 8 | August 23 | | | 2 yr in 10 earlier than-- |September 19 |September 13 | August 28 | | | 5 yr in 10 earlier than-- |September 30 |September 22 |September 8 | | | ------------------------------------------------------------------------