FROST Station : BEAVER FALLS, AK0657 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 = 2 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 = 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-- | April 3 | April 12 | May 26 | | | 2 year in 10 later than-- | March 21 | April 4 | May 16 | | | 5 year in 10 later than-- | February 26 | March 22 | April 27 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 4 | October 24 | October 6 | | | 2 yr in 10 earlier than-- | November 13 | November 1 | October 14 | | | 5 yr in 10 earlier than-- | December 1 | November 17 | October 29 | | | ------------------------------------------------------------------------ FROST Station : MC GRATH WB AIRPORT, AK5769 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 13 | May 20 | June 1 | | | 2 year in 10 later than-- | May 9 | May 16 | May 28 | | | 5 year in 10 later than-- | May 2 | May 8 | May 21 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 12 | August 30 | August 18 | | | 2 yr in 10 earlier than-- |September 16 |September 4 | August 23 | | | 5 yr in 10 earlier than-- |September 25 |September 15 |September 2 | | | ------------------------------------------------------------------------ FROST Station : CIRCLE CITY, AK1977 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 16 Spring: Years of missing data 24 deg = 20, 28 deg = 20, 32 deg = 19 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 10, 28 deg = 10, 32 deg = 11 Fall: Years of missing data 24 deg = 19, 28 deg = 19, 32 deg = 18 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 11, 28 deg = 11, 32 deg = 12 ------------------------------------------------------------------------ | 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 27 | June 6 | | | 2 year in 10 later than-- | May 21 | May 24 | June 2 | | | 5 year in 10 later than-- | May 15 | May 17 | May 26 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 24 | August 22 | August 10 | | | 2 yr in 10 earlier than-- | August 30 | August 25 | August 15 | | | 5 yr in 10 earlier than-- |September 10 |September 1 | August 24 | | | ------------------------------------------------------------------------ FROST Station : BETTLES FAA AIRPORT, AK0761 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 = 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-- | June 2 | June 6 | June 27 | | | 2 year in 10 later than-- | May 25 | May 30 | June 18 | | | 5 year in 10 later than-- | May 10 | May 16 | May 31 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 31 | August 22 | August 11 | | | 2 yr in 10 earlier than-- |September 4 | August 27 | August 16 | | | 5 yr in 10 earlier than-- |September 13 |September 6 | August 26 | | | ------------------------------------------------------------------------ FROST Station : CLEAR, AK2005 Start yr. - 1966 End yr. - 1990 Requested years of data: 25 Available years of data: 25 Spring: Years of missing data 24 deg = 10, 28 deg = 9, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 15, 28 deg = 16, 32 deg = 18 Fall: 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 = 20, 28 deg = 21, 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-- | May 12 | May 20 | May 30 | | | 2 year in 10 later than-- | May 9 | May 17 | May 28 | | | 5 year in 10 later than-- | May 2 | May 11 | May 22 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 28 | August 19 | August 16 | | | 2 yr in 10 earlier than-- |September 3 | August 24 | August 21 | | | 5 yr in 10 earlier than-- |September 15 |September 5 | August 29 | | | ------------------------------------------------------------------------ FROST Station : GALENA AIRPORT, AK3215 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 29 Spring: 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 = 28, 28 deg = 28, 32 deg = 28 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 | June 3 | June 9 | | | 2 year in 10 later than-- | May 12 | May 26 | June 2 | | | 5 year in 10 later than-- | May 5 | May 12 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 18 | August 31 | August 23 | | | 2 yr in 10 earlier than-- |September 23 |September 7 | August 29 | | | 5 yr in 10 earlier than-- | October 2 |September 18 |September 8 | | | ------------------------------------------------------------------------ FROST Station : MANLEY HOT SPRINGS, AK5644 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 26 Spring: Years of missing data 24 deg = 10, 28 deg = 10, 32 deg = 10 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 = 7, 28 deg = 7, 32 deg = 6 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 23, 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-- | May 26 | June 2 | July 8 | | | 2 year in 10 later than-- | May 20 | May 30 | June 30 | | | 5 year in 10 later than-- | May 10 | May 24 | June 14 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 23 | August 17 | August 6 | | | 2 yr in 10 earlier than-- | August 29 | August 22 | August 11 | | | 5 yr in 10 earlier than-- |September 8 | August 31 | August 20 | | | ------------------------------------------------------------------------ FROST Station : NENANA MUNICIPAL AP, AK6309 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 23 Spring: Years of missing data 24 deg = 15, 28 deg = 15, 32 deg = 14 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 15, 28 deg = 15, 32 deg = 16 Fall: Years of missing data 24 deg = 14, 28 deg = 14, 32 deg = 14 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 16, 28 deg = 16, 32 deg = 16 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 14 | June 18 | July 11 | | | 2 year in 10 later than-- | June 3 | June 9 | June 30 | | | 5 year in 10 later than-- | May 13 | May 23 | June 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 23 | August 21 | August 10 | | | 2 yr in 10 earlier than-- | August 29 | August 26 | August 16 | | | 5 yr in 10 earlier than-- |September 10 |September 3 | August 27 | | | ------------------------------------------------------------------------ FROST Station : TANANA FAA AIRPORT, AK9014 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 = 4 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 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 = 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 2 | June 12 | July 3 | | | 2 year in 10 later than-- | May 25 | June 5 | June 23 | | | 5 year in 10 later than-- | May 10 | May 23 | June 6 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | August 27 | August 19 | August 11 | | | 2 yr in 10 earlier than-- |September 2 | August 24 | August 15 | | | 5 yr in 10 earlier than-- |September 14 |September 2 | August 24 | | | ------------------------------------------------------------------------