FROST Station : BOYSEN DAM, WY1000 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 1 | May 10 | May 23 | | | 2 year in 10 later than-- | April 24 | May 4 | May 18 | | | 5 year in 10 later than-- | April 13 | April 22 | May 7 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 5 |September 28 |September 15 | | | 2 yr in 10 earlier than-- | October 12 | October 5 |September 21 | | | 5 yr in 10 earlier than-- | October 26 | October 17 | October 3 | | | ------------------------------------------------------------------------ FROST Station : BURRIS, WY1284 Start yr. - 1964 End yr. - 1990 Requested years of data: 27 Available years of data: 27 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 = 27, 28 deg = 27, 32 deg = 27 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 = 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 20 | June 2 | June 20 | | | 2 year in 10 later than-- | May 15 | May 27 | June 15 | | | 5 year in 10 later than-- | May 5 | May 17 | June 6 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 5 | August 28 | | | 2 yr in 10 earlier than-- |September 23 |September 10 |September 2 | | | 5 yr in 10 earlier than-- | October 3 |September 21 |September 11 | | | ------------------------------------------------------------------------ FROST Station : DIVERSION DAM, WY2595 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 = 3, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 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 11 | May 25 | June 10 | | | 2 year in 10 later than-- | May 6 | May 20 | June 4 | | | 5 year in 10 later than-- | April 28 | May 10 | May 25 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 8 | August 31 | | | 2 yr in 10 earlier than-- |September 25 |September 14 |September 5 | | | 5 yr in 10 earlier than-- | October 7 |September 25 |September 16 | | | ------------------------------------------------------------------------ FROST Station : DUBOIS, WY2715 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 7, 28 deg = 6, 32 deg = 6 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 24, 32 deg = 24 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 3 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-- | June 9 | June 23 | July 13 | | | 2 year in 10 later than-- | June 2 | June 16 | July 6 | | | 5 year in 10 later than-- | May 19 | June 2 | June 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 7 | August 26 | August 11 | | | 2 yr in 10 earlier than-- |September 14 | August 31 | August 17 | | | 5 yr in 10 earlier than-- |September 26 |September 10 | August 27 | | | ------------------------------------------------------------------------ FROST Station : JEFFREY CITY, WY4925 Start yr. - 1964 End yr. - 1990 Requested years of data: 27 Available years of data: 16 Spring: Years of missing data 24 deg = 19, 28 deg = 17, 32 deg = 13 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 8, 28 deg = 10, 32 deg = 14 Fall: Years of missing data 24 deg = 18, 28 deg = 14, 32 deg = 13 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 9, 28 deg = 13, 32 deg = 14 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 16 | June 17 | June 22 | | | 2 year in 10 later than-- | May 14 | June 10 | June 17 | | | 5 year in 10 later than-- | May 10 | May 29 | June 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 15 |September 6 | August 25 | | | 2 yr in 10 earlier than-- |September 22 |September 10 | August 31 | | | 5 yr in 10 earlier than-- | October 3 |September 18 |September 10 | | | ------------------------------------------------------------------------ FROST Station : LANDER WSO AP, WY5390 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 17 | June 6 | | | 2 year in 10 later than-- | April 30 | May 13 | June 1 | | | 5 year in 10 later than-- | April 19 | May 4 | May 20 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 28 |September 16 |September 8 | | | 2 yr in 10 earlier than-- | October 3 |September 22 |September 13 | | | 5 yr in 10 earlier than-- | October 14 | October 3 |September 22 | | | ------------------------------------------------------------------------ FROST Station : PAVILLION, WY7115 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 5, 28 deg = 5, 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 = 27 Fall: 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 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 11 | May 26 | June 7 | | | 2 year in 10 later than-- | May 5 | May 20 | June 1 | | | 5 year in 10 later than-- | April 24 | May 8 | May 22 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 24 |September 13 |September 7 | | | 2 yr in 10 earlier than-- |September 30 |September 19 |September 12 | | | 5 yr in 10 earlier than-- | October 10 | October 2 |September 22 | | | ------------------------------------------------------------------------ FROST Station : RIVERTON USBR, WY7760 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 = 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 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 10 | May 22 | June 18 | | | 2 year in 10 later than-- | May 5 | May 18 | June 10 | | | 5 year in 10 later than-- | April 26 | May 9 | May 27 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 19 |September 13 |September 1 | | | 2 yr in 10 earlier than-- |September 24 |September 17 |September 5 | | | 5 yr in 10 earlier than-- | October 3 |September 25 |September 14 | | | ------------------------------------------------------------------------