FROST Station : DENTON 1 NNE, MT2347 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 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 = 27, 28 deg = 27, 32 deg = 28 Fall: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 3 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 25 | May 31 | July 4 | | | 2 year in 10 later than-- | May 18 | May 26 | June 27 | | | 5 year in 10 later than-- | May 5 | May 17 | June 13 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 10 | August 24 | August 17 | | | 2 yr in 10 earlier than-- |September 16 | August 31 | August 23 | | | 5 yr in 10 earlier than-- |September 26 |September 13 |September 2 | | | ------------------------------------------------------------------------ FROST Station : GRASS RANGE, MT3727 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 = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 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 26 | June 9 | | | 2 year in 10 later than-- | May 6 | May 20 | June 3 | | | 5 year in 10 later than-- | April 26 | May 10 | May 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 10 |September 2 | | | 2 yr in 10 earlier than-- |September 24 |September 15 |September 7 | | | 5 yr in 10 earlier than-- | October 6 |September 26 |September 17 | | | ------------------------------------------------------------------------ FROST Station : LEWISTOWN FAA AP, MT4985 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 18 | May 28 | June 9 | | | 2 year in 10 later than-- | May 11 | May 22 | June 4 | | | 5 year in 10 later than-- | April 28 | May 11 | May 26 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 10 | August 28 | | | 2 yr in 10 earlier than-- |September 24 |September 16 |September 3 | | | 5 yr in 10 earlier than-- | October 7 |September 26 |September 15 | | | ------------------------------------------------------------------------ FROST Station : ROY 8 NE, MT7228 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 5 | May 18 | May 30 | | | 2 year in 10 later than-- | April 30 | May 12 | May 25 | | | 5 year in 10 later than-- | April 22 | May 3 | May 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 16 |September 14 |September 3 | | | 2 yr in 10 earlier than-- |September 23 |September 18 |September 9 | | | 5 yr in 10 earlier than-- | October 6 |September 28 |September 18 | | | ------------------------------------------------------------------------ FROST Station : ROY 24 NE MOBRIDGE, MT7234 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 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 = 28, 28 deg = 28, 32 deg = 28 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 3 | May 15 | June 1 | | | 2 year in 10 later than-- | April 28 | May 10 | May 26 | | | 5 year in 10 later than-- | April 19 | May 2 | May 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 17 |September 12 |September 5 | | | 2 yr in 10 earlier than-- |September 23 |September 16 |September 9 | | | 5 yr in 10 earlier than-- | October 4 |September 25 |September 16 | | | ------------------------------------------------------------------------ FROST Station : WINIFRED, MT9033 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 10 | May 21 | June 2 | | | 2 year in 10 later than-- | May 5 | May 17 | May 28 | | | 5 year in 10 later than-- | April 25 | May 8 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 16 |September 7 |September 3 | | | 2 yr in 10 earlier than-- |September 22 |September 12 |September 6 | | | 5 yr in 10 earlier than-- | October 3 |September 22 |September 13 | | | ------------------------------------------------------------------------ FROST Station : DENTON 1 NNE, MT2347 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 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 = 27, 28 deg = 27, 32 deg = 28 Fall: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 3 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 25 | May 31 | July 4 | | | 2 year in 10 later than-- | May 18 | May 26 | June 27 | | | 5 year in 10 later than-- | May 5 | May 17 | June 13 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 10 | August 24 | August 17 | | | 2 yr in 10 earlier than-- |September 16 | August 31 | August 23 | | | 5 yr in 10 earlier than-- |September 26 |September 13 |September 2 | | | ------------------------------------------------------------------------ FROST Station : GRASS RANGE, MT3727 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 = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 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 26 | June 9 | | | 2 year in 10 later than-- | May 6 | May 20 | June 3 | | | 5 year in 10 later than-- | April 26 | May 10 | May 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 10 |September 2 | | | 2 yr in 10 earlier than-- |September 24 |September 15 |September 7 | | | 5 yr in 10 earlier than-- | October 6 |September 26 |September 17 | | | ------------------------------------------------------------------------ FROST Station : LEWISTOWN FAA AP, MT4985 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 18 | May 28 | June 9 | | | 2 year in 10 later than-- | May 11 | May 22 | June 4 | | | 5 year in 10 later than-- | April 28 | May 11 | May 26 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 10 | August 28 | | | 2 yr in 10 earlier than-- |September 24 |September 16 |September 3 | | | 5 yr in 10 earlier than-- | October 7 |September 26 |September 15 | | | ------------------------------------------------------------------------ FROST Station : ROY 8 NE, MT7228 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 5 | May 18 | May 30 | | | 2 year in 10 later than-- | April 30 | May 12 | May 25 | | | 5 year in 10 later than-- | April 22 | May 3 | May 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 16 |September 14 |September 3 | | | 2 yr in 10 earlier than-- |September 23 |September 18 |September 9 | | | 5 yr in 10 earlier than-- | October 6 |September 28 |September 18 | | | ------------------------------------------------------------------------ FROST Station : ROY 24 NE MOBRIDGE, MT7234 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 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 = 28, 28 deg = 28, 32 deg = 28 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 3 | May 15 | June 1 | | | 2 year in 10 later than-- | April 28 | May 10 | May 26 | | | 5 year in 10 later than-- | April 19 | May 2 | May 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 17 |September 12 |September 5 | | | 2 yr in 10 earlier than-- |September 23 |September 16 |September 9 | | | 5 yr in 10 earlier than-- | October 4 |September 25 |September 16 | | | ------------------------------------------------------------------------ FROST Station : WINIFRED, MT9033 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 10 | May 21 | June 2 | | | 2 year in 10 later than-- | May 5 | May 17 | May 28 | | | 5 year in 10 later than-- | April 25 | May 8 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 16 |September 7 |September 3 | | | 2 yr in 10 earlier than-- |September 22 |September 12 |September 6 | | | 5 yr in 10 earlier than-- | October 3 |September 22 |September 13 | | | ------------------------------------------------------------------------