FROST Station : CLARION 3 SW, PA1485 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 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-- | May 7 | May 30 | June 6 | | | 2 year in 10 later than-- | May 3 | May 23 | May 31 | | | 5 year in 10 later than-- | April 25 | May 10 | May 20 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 13 |September 30 |September 9 | | | 2 yr in 10 earlier than-- | October 19 | October 5 |September 15 | | | 5 yr in 10 earlier than-- | October 30 | October 15 |September 28 | | | ------------------------------------------------------------------------