FROST Station : ICE HARBOR DAM, WA3883 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 4, 28 deg = 3, 32 deg = 3 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 = 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-- | April 5 | April 14 | April 24 | | | 2 year in 10 later than-- | March 24 | April 6 | April 19 | | | 5 year in 10 later than-- | March 1 | March 22 | April 8 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 26 | October 9 |September 30 | | | 2 yr in 10 earlier than-- | November 7 | October 17 | October 6 | | | 5 yr in 10 earlier than-- | November 29 | November 2 | October 19 | | | ------------------------------------------------------------------------ FROST Station : WALLA WALLA FAA AIRPORT, WA8928 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 = 1, 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 = 1, 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-- | March 27 | April 11 | April 21 | | | 2 year in 10 later than-- | March 14 | March 31 | April 15 | | | 5 year in 10 later than-- | February 18 | March 10 | April 2 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 6 | October 24 | October 6 | | | 2 yr in 10 earlier than-- | November 14 | October 31 | October 14 | | | 5 yr in 10 earlier than-- | December 1 | November 15 | October 29 | | | ------------------------------------------------------------------------ FROST Station : WALLA WALLA WB CITY, WA8931 Start yr. - 1961 End yr. - 1987 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 = 1, 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 = 1, 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-- | March 8 | March 23 | April 15 | | | 2 year in 10 later than-- | February 28 | March 14 | April 7 | | | 5 year in 10 later than-- | February 7 | February 26 | March 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 9 | October 24 | October 15 | | | 2 yr in 10 earlier than-- | November 17 | November 1 | October 21 | | | 5 yr in 10 earlier than-- | December 2 | November 16 | November 2 | | | ------------------------------------------------------------------------ FROST Station : WHITMAN MISSION, WA9200 Start yr. - 1963 End yr. - 1990 Requested years of data: 28 Available years of data: 28 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 = 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 = 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-- | April 17 | May 1 | May 28 | | | 2 year in 10 later than-- | April 9 | April 26 | May 23 | | | 5 year in 10 later than-- | March 24 | April 15 | May 12 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 26 |September 19 |September 8 | | | 2 yr in 10 earlier than-- | October 5 |September 24 |September 13 | | | 5 yr in 10 earlier than-- | October 23 | October 5 |September 22 | | | ------------------------------------------------------------------------