FROST Station : LEWISTON WSO AP, ID5241 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-- | March 27 | April 19 | May 4 | | | 2 year in 10 later than-- | March 16 | April 11 | April 28 | | | 5 year in 10 later than-- | February 24 | March 25 | April 16 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 28 | October 14 |September 29 | | | 2 yr in 10 earlier than-- | November 7 | October 22 | October 6 | | | 5 yr in 10 earlier than-- | November 27 | November 6 | October 21 | | | ------------------------------------------------------------------------