FROST Station : DEVAULT 1 W, PA2116 Start yr. - 1961 End yr. - 1989 Requested years of data: 29 Available years of data: 28 Spring: 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 = 24, 28 deg = 24, 32 deg = 24 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 3 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 ------------------------------------------------------------------------ | 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 21 | May 6 | | | 2 year in 10 later than-- | April 5 | April 16 | April 30 | | | 5 year in 10 later than-- | March 28 | April 6 | April 20 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 26 | October 15 | October 7 | | | 2 yr in 10 earlier than-- | November 2 | October 23 | October 15 | | | 5 yr in 10 earlier than-- | November 15 | November 7 | October 28 | | | ------------------------------------------------------------------------ FROST Station : PHOENIXVILLE 1 E, PA6927 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 = 2, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 28, 32 deg = 28 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 14 | April 23 | May 12 | | | 2 year in 10 later than-- | April 9 | April 19 | May 7 | | | 5 year in 10 later than-- | March 30 | April 9 | April 27 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 23 | October 9 |September 28 | | | 2 yr in 10 earlier than-- | October 30 | October 15 | October 3 | | | 5 yr in 10 earlier than-- | November 12 | October 26 | October 14 | | | ------------------------------------------------------------------------ FROST Station : WEST CHESTER 1 W, PA9464 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 2, 28 deg = 2, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 28 Fall: Years of missing data 24 deg = 3, 28 deg = 2, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 28, 32 deg = 28 ------------------------------------------------------------------------ | 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 25 | May 9 | | | 2 year in 10 later than-- | April 5 | April 20 | May 3 | | | 5 year in 10 later than-- | March 27 | April 11 | April 22 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 20 | October 14 |September 30 | | | 2 yr in 10 earlier than-- | October 27 | October 19 | October 5 | | | 5 yr in 10 earlier than-- | November 11 | October 30 | October 14 | | | ------------------------------------------------------------------------