FROST Station : TARKIO, MO8289 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 29 Spring: Years of missing data 24 deg = 8, 28 deg = 8, 32 deg = 8 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 Fall: Years of missing data 24 deg = 9, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 23, 32 deg = 23 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 18 | April 25 | May 6 | | | 2 year in 10 later than-- | April 13 | April 20 | May 2 | | | 5 year in 10 later than-- | April 3 | April 12 | April 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 13 | October 1 |September 21 | | | 2 yr in 10 earlier than-- | October 19 | October 5 |September 26 | | | 5 yr in 10 earlier than-- | October 31 | October 14 | October 6 | | | ------------------------------------------------------------------------