FROST Station : CORDOVA NORTH, AK2173 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 17 Spring: Years of missing data 24 deg = 22, 28 deg = 21, 32 deg = 21 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 8, 28 deg = 9, 32 deg = 9 Fall: Years of missing data 24 deg = 20, 28 deg = 20, 32 deg = 20 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 10, 28 deg = 10, 32 deg = 10 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 6 | June 11 | June 24 | | | 2 year in 10 later than-- | May 15 | May 24 | June 11 | | | 5 year in 10 later than-- | April 3 | April 22 | May 16 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 27 |September 19 |September 14 | | | 2 yr in 10 earlier than-- | October 9 | October 1 |September 22 | | | 5 yr in 10 earlier than-- | November 3 | October 23 | October 8 | | | ------------------------------------------------------------------------ FROST Station : CORDOVA FAA AP, AK2177 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 22 | June 2 | June 13 | | | 2 year in 10 later than-- | May 13 | May 25 | June 7 | | | 5 year in 10 later than-- | April 25 | May 9 | May 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 28 |September 12 | August 25 | | | 2 yr in 10 earlier than-- | October 5 |September 17 | August 31 | | | 5 yr in 10 earlier than-- | October 19 |September 28 |September 10 | | | ------------------------------------------------------------------------ FROST Station : COOPER LAKE PROJECT, AK2144 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 6, 28 deg = 6, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 24, 28 deg = 24, 32 deg = 25 Fall: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 26, 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 2 | June 13 | | | 2 year in 10 later than-- | May 15 | May 24 | June 5 | | | 5 year in 10 later than-- | April 26 | May 5 | May 21 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 18 |September 4 | | | 2 yr in 10 earlier than-- | October 2 |September 25 |September 11 | | | 5 yr in 10 earlier than-- | October 16 | October 8 |September 24 | | | ------------------------------------------------------------------------ FROST Station : GLENNALLEN KCAM, AK3304 Start yr. - 1966 End yr. - 1990 Requested years of data: 25 Available years of data: 25 Spring: Years of missing data 24 deg = 2, 28 deg = 1, 32 deg = 1 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 = 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 = 24, 28 deg = 24, 32 deg = 24 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 2 | July 19 | July 31 | | | 2 year in 10 later than-- | May 28 | July 11 | July 25 | | | 5 year in 10 later than-- | May 20 | June 27 | July 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 17 | August 6 | July 30 | | | 2 yr in 10 earlier than-- | August 21 | August 9 | August 3 | | | 5 yr in 10 earlier than-- | August 28 | August 15 | August 9 | | | ------------------------------------------------------------------------ FROST Station : GULKANA FAA/AMOS, AK3465 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-- | May 16 | May 29 | July 7 | | | 2 year in 10 later than-- | May 12 | May 26 | June 29 | | | 5 year in 10 later than-- | May 3 | May 18 | June 12 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 28 | August 19 | August 8 | | | 2 yr in 10 earlier than-- |September 2 | August 23 | August 12 | | | 5 yr in 10 earlier than-- |September 12 | August 30 | August 20 | | | ------------------------------------------------------------------------ FROST Station : OLD EDGERTON, AK6777 Start yr. - 1970 End yr. - 1990 Requested years of data: 21 Available years of data: 21 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 = 20, 28 deg = 20, 32 deg = 21 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 = 21, 28 deg = 21, 32 deg = 21 ------------------------------------------------------------------------ | 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 24 | July 17 | | | 2 year in 10 later than-- | May 31 | June 17 | July 9 | | | 5 year in 10 later than-- | May 14 | June 2 | June 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 21 | August 14 | August 4 | | | 2 yr in 10 earlier than-- | August 27 | August 17 | August 8 | | | 5 yr in 10 earlier than-- |September 6 | August 23 | August 16 | | | ------------------------------------------------------------------------ FROST Station : SLANA, AK8547 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 28 Spring: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 25, 32 deg = 25 Fall: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 25, 32 deg = 25 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 8 | June 18 | July 13 | | | 2 year in 10 later than-- | May 31 | June 10 | July 5 | | | 5 year in 10 later than-- | May 16 | May 27 | June 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 30 | August 16 | August 11 | | | 2 yr in 10 earlier than-- |September 3 | August 21 | August 14 | | | 5 yr in 10 earlier than-- |September 12 | August 30 | August 21 | | | ------------------------------------------------------------------------ FROST Station : SNOWSHOE LAKE, AK8594 Start yr. - 1964 End yr. - 1990 Requested years of data: 27 Available years of data: 27 Spring: 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 = 26, 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-- | June 20 | July 11 | August 3 | | | 2 year in 10 later than-- | June 12 | July 2 | July 28 | | | 5 year in 10 later than-- | May 27 | June 15 | July 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 11 | August 7 | July 31 | | | 2 yr in 10 earlier than-- | August 18 | August 11 | August 3 | | | 5 yr in 10 earlier than-- | August 31 | August 18 | August 10 | | | ------------------------------------------------------------------------ FROST Station : TONSINA, AK9385 Start yr. - 1963 End yr. - 1990 Requested years of data: 28 Available years of data: 28 Spring: 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 = 25, 28 deg = 25, 32 deg = 25 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 = 28, 28 deg = 28, 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-- | June 15 | July 1 | July 22 | | | 2 year in 10 later than-- | June 7 | June 24 | July 15 | | | 5 year in 10 later than-- | May 21 | June 8 | July 3 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 23 | August 12 | August 2 | | | 2 yr in 10 earlier than-- | August 29 | August 17 | August 5 | | | 5 yr in 10 earlier than-- |September 8 | August 25 | August 12 | | | ------------------------------------------------------------------------ FROST Station : VALDEZ WSO, AK9686 Start yr. - 1964 End yr. - 1990 Requested years of data: 27 Available years of data: 26 Spring: Years of missing data 24 deg = 7, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 20 Fall: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 22, 32 deg = 22 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 26 | May 5 | May 26 | | | 2 year in 10 later than-- | April 20 | April 30 | May 19 | | | 5 year in 10 later than-- | April 10 | April 21 | May 5 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 10 | October 1 |September 13 | | | 2 yr in 10 earlier than-- | October 16 | October 6 |September 18 | | | 5 yr in 10 earlier than-- | October 27 | October 15 |September 27 | | | ------------------------------------------------------------------------ FROST Station : WHITTIER, AK9829 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 22 Spring: Years of missing data 24 deg = 17, 28 deg = 17, 32 deg = 16 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 13, 28 deg = 13, 32 deg = 14 Fall: Years of missing data 24 deg = 13, 28 deg = 13, 32 deg = 13 Years with no occurrence 24 deg = 1, 28 deg = 1, 32 deg = 1 Data years used 24 deg = 17, 28 deg = 17, 32 deg = 17 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 31 | June 1 | June 12 | | | 2 year in 10 later than-- | May 12 | May 15 | May 29 | | | 5 year in 10 later than-- | April 7 | April 11 | May 3 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 15 | October 10 |September 25 | | | 2 yr in 10 earlier than-- | October 24 | October 16 | October 2 | | | 5 yr in 10 earlier than-- | November 13 | October 28 | October 17 | | | ------------------------------------------------------------------------