Heating and Wind Design Conditions for Pennsylvania
City | Lat. | Long. | Elev. | Std. Pres. | Heating Dry Bulb, °F | Extreme Wind Speed, mph | Coldest Month WS / MCDB | MCWS / MCWD to DB | Annual Extreme Daily | ||||||||||||
0.4% | 1% | 99.6% | 0.4% | Mean DB | Std. DB | ||||||||||||||||
°N | °W | Feet | psia | 99.6% | 99% | 1% | 2.5% | 5% | WS | MCDB | WS | MCDB | MCWS | PWD | MCWS | PWD | Max | Min | Max | Min | |
Allentown | 40.65 | 75.43 | 384 | 14.493 | 5 | 10 | 27 | 23 | 21 | 28 | 26 | 25 | 24 | 9 | 270 | 11 | 240 | 95 | -2 | 2.8 | 5.2 |
Altoona | 40.30 | 78.32 | 1503 | 13.915 | 5 | 10 | 20 | 18 | 17 | 23 | 20 | 20 | 22 | 9 | 270 | 8 | 250 | 92 | -5 | 3.6 | 7.9 |
Bradford | 41.80 | 78.63 | 2142 | 13.593 | -6 | -1 | 19 | 18 | 16 | 22 | 22 | 19 | 21 | 7 | 270 | 9 | 240 | 87 | -15 | 2.8 | 5.0 |
Du Bois | 41.18 | 78.90 | 1818 | 13.756 | 0 | 5 | 21 | 19 | 17 | 23 | 20 | 21 | 20 | 11 | 280 | 10 | 270 | 90 | -9 | 3.1 | 7.0 |
Erie | 42.08 | 80.18 | 738 | 14.308 | 2 | 7 | 27 | 24 | 22 | 29 | 28 | 26 | 28 | 14 | 200 | 12 | 250 | 90 | -4 | 3.1 | 6.4 |
Harrisburg | 40.20 | 76.77 | 308 | 14.532 | 9 | 13 | 22 | 20 | 18 | 24 | 29 | 22 | 29 | 8 | 270 | 10 | 250 | 97 | 2 | 3.3 | 5.7 |
Philadelphia, Int’l Airport | 39.88 | 75.25 | 30 | 14.680 | 11 | 15 | 24 | 21 | 19 | 26 | 31 | 23 | 30 | 12 | 290 | 11 | 230 | 96 | 5 | 2.8 | 5.6 |
Philadelphia, Northeast A | 40.08 | 75.02 | 121 | 14.631 | 11 | 15 | 21 | 19 | 17 | 22 | 30 | 19 | 29 | 10 | 300 | 10 | 260 | 97 | 3 | 2.5 | 6.1 |
Philadelphia, Willow Gr NAS | 40.20 | 75.15 | 361 | 14.505 | 10 | 14 | 18 | 15 | 13 | 19 | 30 | 16 | 30 | 5 | 300 | 6 | 250 | 99 | 2 | 5.4 | 5.8 |
Pittsburgh, Allegheny Co. A | 40.35 | 79.93 | 1253 | 14.042 | 4 | 11 | 21 | 19 | 17 | 23 | 24 | 21 | 24 | 11 | 250 | 11 | 240 | 94 | -4 | 3.1 | 9.4 |
Pittsburgh, Int’l Airport | 40.50 | 80.22 | 1224 | 14.057 | 2 | 7 | 25 | 21 | 19 | 26 | 24 | 23 | 25 | 10 | 260 | 11 | 230 | 93 | -6 | 3.1 | 6.7 |
Wilkes-Barre/Scranton | 41.33 | 75.73 | 948 | 14.199 | 2 | 7 | 20 | 18 | 16 | 21 | 26 | 19 | 25 | 8 | 230 | 11 | 220 | 92 | -5 | 2.8 | 4.9 |
Williamsport | 41.25 | 76.92 | 525 | 14.419 | 2 | 7 | 23 | 20 | 18 | 24 | 23 | 21 | 25 | 8 | 270 | 10 | 250 | 94 | -6 | 3.1 | 5.9 |