FROST Station : NESHAMINY FALLS, PA6194 Start yr. - 1964 End yr. - 1990 Requested years of data: 27 Available years of data: 21 Spring: Years of missing data 24 deg = 16, 28 deg = 16, 32 deg = 16 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 11, 28 deg = 11, 32 deg = 11 Fall: Years of missing data 24 deg = 16, 28 deg = 16, 32 deg = 15 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 11, 28 deg = 11, 32 deg = 12 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 12 | April 27 | April 30 | | | 2 year in 10 later than-- | April 7 | April 23 | April 28 | | | 5 year in 10 later than-- | March 29 | April 16 | April 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 20 | October 6 | October 5 | | | 2 yr in 10 earlier than-- | October 25 | October 12 | October 8 | | | 5 yr in 10 earlier than-- | November 5 | October 25 | October 14 | | | ------------------------------------------------------------------------