FROST Station : DURHAM, NH2174 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 9 | May 23 | June 2 | | | 2 year in 10 later than-- | May 3 | May 17 | May 28 | | | 5 year in 10 later than-- | April 22 | May 6 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 3 |September 19 |September 5 | | | 2 yr in 10 earlier than-- | October 8 |September 25 |September 10 | | | 5 yr in 10 earlier than-- | October 18 | October 7 |September 20 | | | ------------------------------------------------------------------------