Frost Dates in Pennsylvania

Acmetonia Lock 3 April 16 – November 1 Allentown Intl AP April 20 – October 24 Altoona 3 W April 25 – October 21 Altoona 7 Sw April 25 – October 20 Altoona Blair Co AP April 23 – October 21 Alvin R Bush Dam April 29 – October 21 Avondale 2 N April 19 – October 26 Bear Gap April 27 – October 20 Beaver Falls 1 Ne April 27 – October 25 Benton 3 Ne May 4 – October 11 Biglerville April 15 – October 27 Bloserville 1 N April 18 – October 26 Blue Marsh Lake April 26 – October 19 Braddock Lock 2 April 5 – November 10 Bradford 4sw Rsch 5 May 18 – October 4 Bradford Rgnl AP May 18 – October 1 Bucksville April 29 – October 16 Butler 2 Sw May 7 – October 14 Canton May 16 – October 2 Carlisle Wtp April 23 – October 18 Cashtown 1s April 28 – October 17 Chalk Hill 2 Ene May 19 – October 1 Chambersburg 1 Ese April 18 – October 25 Chandlers Valley 1se May 22 – September 30 Charleroi Lock 4 April 13 – November 5 Clarence May 21 – September 27 Clarion 3 Sw May 9 – October 11 Clearfield Lawrence AP May 4 – October 11 Clermont 1 Nw May 15 – October 3 Coatesville 2 W April 19 – October 25 Confluence 1 Sw Dam April 30 – October 18 Connellsville 2 Ssw April 22 – October 27 Cooksburg 2 Nw May 13 – October 7 Coudersport 1 Sw May 22 – October 1 Coudersport 7se May 14 – October 4 Cowanesque Dam May 9 – October 12 Dehart Dam May 1 – October 16 Donegal 2 Nw April 30 – October 17 Donora 1 Sw April 27 – October 22 Doylestown AP April 13 – October 30 Dubois Jefferson Co AP May 6 – October 14 Dushore May 14 – October 2 E Stroudsburg May 1 – October 12 Ebensburg Sewage Plt May 17 – October 2 Eisenhower Nhs April 24 – October 21 Emporium May 7 – October 15 Emsworth L/D Ohio Rvr April 24 – October 27 Erie Intl AP April 26 – November 4 Everett April 27 – October 17 Ford City 4 S Dam May 4 – October 16 Francis E Walter Dam May 7 – October 6 Franklin May 2 – October 23 Glen Hazel 2 Ne Dam May 14 – October 6 Glenmoore April 11 – November 1 Glenwillard Dashields L&D April 8 – November 8 Grampian 1e May 4 – October 13 Graterford 1 E April 24 – October 15 Grays Landing April 28 – October 21 Hamburg April 16 – October 25 Hanover 4 Sw April 24 – October 20 Harrisburg 1 Ne April 15 – October 23 Harrisburg Cptl Cy AP April 9 – November 1 Hawley 1 E May 10 – October 4 Hidden Valley May 2 – October 17 Hopewell Morgantown April 16 – October 27 Indiana 3 Se May 8 – October 13 Jamestown 2 Nw May 4 – October 14 Johnstown Cambria Co AP April 29 – October 21 Kane 1nne May 24 – September 28 Lancaster 2ne Fltr Plt April 19 – October 24 Lancaster AP April 18 – October 25 Landisville 2 Nw April 30 – October 10 Laporte May 6 – October 7 Laurel Mtn April 26 – October 17 Laurel Summit May 6 – October 12 Laurelton Ctr April 25 – October 19 Lebanon 2 W April 20 – October 25 Lehighton 1ssw April 21 – October 23 Lewisburg April 26 – October 20 Lewistown April 21 – October 24 Linesville 1 S April 30 – October 23 Lock Haven Sewage Plt April 30 – October 20 Loyalhanna Lake May 2 – October 14 Mahanoy City 2 N April 30 – October 22 Marcus Hook March 30 – November 16 Matamoras May 2 – October 12 Mckeesport May 2 – October 20 Mercer May 15 – October 3 Meyersdale 2 Ssw May 12 – October 5 Middletown Harrisburg Intl AP April 9 – November 2 Milanville May 3 – October 9 Millheim May 5 – October 6 Montgomery L&D April 28 – October 26 Montrose May 14 – October 2 Moon Twp April 28 – October 18 Mt Pleasant May 1 – October 13 Mt Pocono Mountains AP May 6 – October 8 Murrysville 2 Sw April 22 – October 25 Natrona Lock 4 April 16 – November 2 Neshaminy Falls April 21 – October 25 New Castle 1 N April 30 – October 23 New Holland 2 Se April 14 – November 1 Norristown April 8 – October 31 Octoraro Lake April 26 – October 22 Oswayo 1 Ene May 20 – September 29 Phila Franklin Inst March 30 – November 17 Philadelphia Intl AP April 2 – November 10 Philadelphia Ne AP April 4 – November 7 Philipsburg 2 S May 13 – October 1 Phoenixville 1 E April 18 – October 27 Pittsburgh Allegheny Co AP April 18 – October 28 Pittsburgh Intl AP April 23 – October 23 Pleasant Mt 1 W May 14 – October 1 Port Allegany May 15 – October 6 Port Meadville AP April 30 – October 23 Pottstown Limerick AP April 20 – October 23 Prince Gallitzin Sp May 10 – October 5 Pt Marion Lock 8 April 30 – October 23 Putneyville 2 Se Dam May 10 – October 12 Raystown Hq April 19 – October 29 Raystown Lake 2 April 19 – October 28 Reading 4 Nnw April 10 – October 31 Reading Spaatz Fld April 14 – October 29 Rector 3 Ssw May 5 – October 6 Renovo April 30 – October 22 Ridgway May 13 – October 11 Rodale Rsch Ctr April 26 – October 14 S Mtn April 27 – October 20 Safe Harbor Dam April 1 – November 10 Salina 3 W April 29 – October 20 Schenley Lock 5 April 21 – October 30 Selinsgrove 2 S April 25 – October 22 Selinsgrove Penn Vly AP April 27 – October 16 Sellersville April 26 – October 17 Shawnee Sp May 4 – October 10 Shippensburg April 19 – October 24 Slippery Rock 1 Ssw May 7 – October 14 Springboro 3 Wnw May 8 – October 16 Springtown 1 Nne April 21 – October 22 State College April 20 – October 26 Stevenson Dam May 10 – October 16 Sunbury April 30 – October 13 Tioga Hammond Dam May 6 – October 10 Tionesta 2 Se Lake May 1 – October 25 Titusville Wtr Wks May 12 – October 10 Towanda 1 S May 2 – October 15 Union City Filtration Plant May 7 – October 10 Uniontown 1 Ne April 30 – October 18 W Chester 2 Nw April 26 – October 18 Warren May 4 – October 21 Washington 3 Ne April 24 – October 23 Waynesburg 1 E May 3 – October 15 Wellsboro 4 Sw May 10 – October 5 Wilkes-Barre Intl AP April 23 – October 20 Williamsport April 24 – October 23 Williamsport 2 April 25 – October 24 Willow Grove Nas April 11 – November 1 Wolfsburg April 29 – October 13 York 3 Ssw Pump Stn April 26 – October 19 York AP April 27 – October 18