FROST Station : DURANGO, CO2432 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 = 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 15 | May 24 | June 17 | | | 2 year in 10 later than-- | May 8 | May 21 | June 11 | | | 5 year in 10 later than-- | April 26 | May 15 | May 31 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 16 |September 5 | | | 2 yr in 10 earlier than-- | October 2 |September 21 |September 11 | | | 5 yr in 10 earlier than-- | October 15 | October 3 |September 21 | | | ------------------------------------------------------------------------ FROST Station : FORT LEWIS, CO3016 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 = 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-- | June 2 | June 20 | June 28 | | | 2 year in 10 later than-- | May 28 | June 14 | June 24 | | | 5 year in 10 later than-- | May 18 | June 1 | June 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 19 |September 9 | August 31 | | | 2 yr in 10 earlier than-- |September 25 |September 16 |September 6 | | | 5 yr in 10 earlier than-- | October 8 |September 30 |September 16 | | | ------------------------------------------------------------------------ FROST Station : IGNACIO 1 N, CO4250 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 = 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 = 26, 32 deg = 27 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 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 = 28 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 26 | June 3 | June 26 | | | 2 year in 10 later than-- | May 20 | May 29 | June 20 | | | 5 year in 10 later than-- | May 8 | May 20 | June 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 |September 12 | August 28 | | | 2 yr in 10 earlier than-- |September 25 |September 18 |September 4 | | | 5 yr in 10 earlier than-- | October 10 |September 29 |September 17 | | | ------------------------------------------------------------------------ FROST Station : VALLECITO DAM, CO8582 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 = 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 25 | June 11 | June 24 | | | 2 year in 10 later than-- | May 20 | June 5 | June 19 | | | 5 year in 10 later than-- | May 11 | May 25 | June 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 13 |September 2 | | | 2 yr in 10 earlier than-- | October 1 |September 19 |September 7 | | | 5 yr in 10 earlier than-- | October 13 |September 29 |September 16 | | | ------------------------------------------------------------------------