FROST Station : IPSWICH, SD4206 Start yr. - 1971 End yr. - 2000 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 = 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 6 | May 20 | May 25 | | | 2 year in 10 later than-- | May 1 | May 14 | May 20 | | | 5 year in 10 later than-- | April 21 | May 3 | May 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 23 |September 17 |September 11 | | | 2 yr in 10 earlier than-- |September 28 |September 22 |September 14 | | | 5 yr in 10 earlier than-- | October 8 | October 1 |September 21 | | | ------------------------------------------------------------------------