FROST Station : GROTON, CT3207 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: 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 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-- | April 8 | April 21 | May 4 | | | 2 year in 10 later than-- | April 4 | April 16 | April 30 | | | 5 year in 10 later than-- | March 28 | April 8 | April 22 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 28 | October 15 | October 4 | | | 2 yr in 10 earlier than-- | November 4 | October 21 | October 9 | | | 5 yr in 10 earlier than-- | November 16 | November 1 | October 18 | | | ------------------------------------------------------------------------ FROST Station : NORWICH PUB UTIL PLANT, CT5910 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 = 4, 32 deg = 4 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 26, 32 deg = 26 Fall: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 25, 32 deg = 25 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 10 | April 30 | May 13 | | | 2 year in 10 later than-- | April 6 | April 25 | May 8 | | | 5 year in 10 later than-- | March 28 | April 15 | April 28 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 21 | October 9 |September 30 | | | 2 yr in 10 earlier than-- | October 28 | October 13 | October 4 | | | 5 yr in 10 earlier than-- | November 9 | October 22 | October 11 | | | ------------------------------------------------------------------------