Heating and Wind Design Conditions for Pennsylvania
City | Lat. | Long. | Elev. | Std. Pres. | Heating Dry Bulb, °C | Extreme Wind Speed, m/s | Coldest Month WS / MCDB | MCWS / MCWD to DB | Annual Extreme Daily | ||||||||||||
0.4% | 1% | 99.6% | 0.4% | Mean DB | Std. DB | ||||||||||||||||
°N | °W | Meters | kPa | 99.6% | 99% | 1% | 2.5% | 5% | WS | MCDB | WS | MCDB | MCWS | PWD | MCWS | PWD | Max | Min | Max | Min | |
Allentown | 40.65 | 75.43 | 117 | 99.93 | -14.9 | -12.3 | 11.9 | 10.4 | 9.2 | 12.7 | -3.3 | 11.2 | -4.6 | 4.2 | 270 | 4.9 | 240 | 34.9 | -18.7 | 1.6 | 2.9 |
Altoona | 40.30 | 78.32 | 458 | 95.94 | -15.0 | -12.3 | 9.1 | 8.2 | 7.4 | 10.1 | -6.8 | 9.1 | -5.8 | 4.0 | 270 | 3.4 | 250 | 33.5 | -20.5 | 2.0 | 4.4 |
Bradford | 41.80 | 78.63 | 653 | 93.72 | -21.2 | -18.3 | 8.5 | 8.0 | 7.1 | 9.6 | -5.8 | 8.4 | -6.0 | 3.1 | 270 | 4.2 | 240 | 30.6 | -26.3 | 1.6 | 2.8 |
Du Bois | 41.18 | 78.90 | 554 | 94.84 | -17.8 | -15.0 | 9.3 | 8.3 | 7.6 | 10.3 | -6.8 | 9.3 | -6.5 | 5.0 | 280 | 4.3 | 270 | 32.0 | -22.8 | 1.7 | 3.9 |
Erie | 42.08 | 80.18 | 225 | 98.65 | -16.6 | -14.1 | 11.9 | 10.7 | 9.7 | 12.7 | -2.5 | 11.4 | -2.5 | 6.1 | 200 | 5.4 | 250 | 32.3 | -20.2 | 1.7 | 3.6 |
Harrisburg | 40.20 | 76.77 | 94 | 100.20 | -13.0 | -10.7 | 10.0 | 8.7 | 7.9 | 10.9 | -1.8 | 9.7 | -1.9 | 3.7 | 270 | 4.2 | 250 | 36.0 | -16.7 | 1.8 | 3.2 |
Philadelphia, Int’l Airport | 39.88 | 75.25 | 9 | 101.22 | -11.9 | -9.7 | 10.9 | 9.6 | 8.5 | 11.7 | -0.8 | 10.1 | -1.4 | 5.2 | 290 | 4.8 | 230 | 35.7 | -15.3 | 1.6 | 3.1 |
Philadelphia, Northeast A | 40.08 | 75.02 | 37 | 100.88 | -11.7 | -9.5 | 9.3 | 8.3 | 7.6 | 9.8 | -0.9 | 8.6 | -1.4 | 4.5 | 300 | 4.4 | 260 | 36.2 | -15.9 | 1.4 | 3.4 |
Philadelphia, Willow Gr NAS | 40.20 | 75.15 | 110 | 100.01 | -12.0 | -9.8 | 7.9 | 6.8 | 5.9 | 8.3 | -1.0 | 7.3 | -1.2 | 2.4 | 300 | 2.8 | 250 | 37.2 | -16.9 | 3.0 | 3.2 |
Pittsburgh, Allegheny Co. A | 40.35 | 79.93 | 382 | 96.82 | -15.3 | -11.9 | 9.2 | 8.3 | 7.7 | 10.2 | -4.2 | 9.2 | -4.4 | 5.0 | 250 | 4.8 | 240 | 34.2 | -20.2 | 1.7 | 5.2 |
Pittsburgh, Int’l Airport | 40.50 | 80.22 | 373 | 96.92 | -16.9 | -14.1 | 10.9 | 9.5 | 8.4 | 11.7 | -4.7 | 10.2 | -3.9 | 4.5 | 260 | 4.9 | 230 | 33.8 | -21.0 | 1.7 | 3.7 |
Wilkes-Barre/Scranton | 41.33 | 75.73 | 289 | 97.90 | -16.7 | -14.2 | 9.1 | 8.0 | 7.3 | 9.5 | -3.1 | 8.4 | -4.2 | 3.8 | 230 | 4.8 | 220 | 33.5 | -20.6 | 1.6 | 2.7 |
Williamsport | 41.25 | 76.92 | 160 | 99.42 | -16.6 | -13.7 | 10.3 | 9.0 | 8.1 | 10.7 | -4.9 | 9.5 | -3.8 | 3.4 | 270 | 4.6 | 250 | 34.4 | -21.3 | 1.7 | 3.3 |