Heating and Wind Design Conditions for Virginia
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 | |
Fort Belvoir | 38.72 | 77.18 | 69 | 14.659 | 12 | 18 | 18 | 14 | 12 | 19 | 35 | 17 | 34 | 2 | 320 | 6 | 160 | 100 | 2 | 2.3 | 7.6 |
Hampton, Langley AFB | 37.08 | 76.37 | 10 | 14.690 | 21 | 24 | 22 | 19 | 17 | 22 | 41 | 20 | 40 | 10 | 330 | 9 | 240 | 97 | 13 | 3.2 | 6.1 |
Lynchburg | 37.33 | 79.20 | 938 | 14.204 | 12 | 17 | 19 | 17 | 15 | 21 | 35 | 18 | 35 | 8 | 360 | 9 | 230 | 95 | 5 | 2.9 | 5.8 |
Newport News | 37.13 | 76.50 | 43 | 14.673 | 18 | 22 | 19 | 18 | 16 | 20 | 40 | 18 | 41 | 8 | 350 | 10 | 220 | 99 | 11 | 2.3 | 4.7 |
Norfolk | 36.90 | 76.20 | 30 | 14.680 | 20 | 24 | 25 | 22 | 20 | 26 | 40 | 23 | 40 | 12 | 340 | 12 | 230 | 97 | 14 | 2.8 | 5.4 |
Oceana, NAS | 36.82 | 76.03 | 23 | 14.683 | 22 | 25 | 21 | 19 | 17 | 21 | 42 | 19 | 42 | 8 | 310 | 9 | 220 | 98 | 14 | 1.8 | 6.8 |
Quantico, MCAS | 38.50 | 77.30 | 13 | 14.688 | 16 | 21 | 17 | 14 | 12 | 19 | 36 | 15 | 38 | 6 | 340 | 5 | 230 | 100 | 8 | 3.6 | 5.9 |
Richmond | 37.50 | 77.33 | 177 | 14.602 | 14 | 18 | 20 | 18 | 16 | 21 | 40 | 18 | 39 | 7 | 340 | 10 | 230 | 98 | 6 | 2.6 | 5.8 |
Roanoke | 37.32 | 79.97 | 1175 | 14.082 | 12 | 17 | 23 | 20 | 17 | 27 | 31 | 23 | 32 | 10 | 320 | 10 | 290 | 96 | 4 | 3.3 | 5.6 |
Sterling | 38.95 | 77.45 | 322 | 14.525 | 9 | 14 | 22 | 19 | 16 | 25 | 32 | 21 | 31 | 7 | 340 | 10 | 250 | 97 | -1 | 3.3 | 7.0 |
Washington, R. Reagan A | 38.85 | 77.03 | 66 | 14.661 | 15 | 20 | 23 | 20 | 18 | 24 | 34 | 21 | 35 | 11 | 340 | 11 | 170 | 99 | 8 | 2.5 | 6.8 |