FROST Station : BROOKVILLE SEWAGE PLANT, PA1004 Start yr. - 1964 End yr. - 1990 Requested years of data: 27 Available years of data: 27 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 = 27, 28 deg = 27, 32 deg = 27 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 = 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-- | May 7 | May 14 | June 6 | | | 2 year in 10 later than-- | May 3 | May 10 | May 31 | | | 5 year in 10 later than-- | April 23 | May 3 | May 21 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 11 | October 4 |September 13 | | | 2 yr in 10 earlier than-- | October 16 | October 8 |September 18 | | | 5 yr in 10 earlier than-- | October 25 | October 16 |September 28 | | | ------------------------------------------------------------------------ FROST Station : DU BOIS FAA AP, PA2260 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 Spring: Years of missing data 24 deg = 2, 28 deg = 1, 32 deg = 1 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 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 = 28, 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 24 | May 7 | May 19 | | | 2 year in 10 later than-- | April 19 | May 2 | May 14 | | | 5 year in 10 later than-- | April 11 | April 23 | May 5 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 18 | October 9 |September 27 | | | 2 yr in 10 earlier than-- | October 24 | October 14 | October 2 | | | 5 yr in 10 earlier than-- | November 5 | October 25 | October 11 | | | ------------------------------------------------------------------------