Heating and Wind Design Conditions for Virginia

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
Fort Belvoir 38.72 77.18 21 101.07 -11.0 -7.8 8.0 6.4 5.2 8.6 1.9 7.4 1.2 0.9 320 2.5 160 37.8 -16.6 1.3 4.2
Hampton, Langley AFB 37.08 76.37 3 101.29 -6.3 -4.2 9.9 8.6 7.7 9.8 4.8 8.8 4.2 4.3 330 4.1 240 36.1 -10.4 1.8 3.4
Lynchburg 37.33 79.20 286 97.94 -11.1 -8.2 8.5 7.6 6.9 9.2 1.8 8.2 1.8 3.3 360 3.8 230 35.1 -15.2 1.6 3.2
Newport News 37.13 76.50 13 101.17 -7.5 -5.3 8.6 8.0 7.3 8.8 4.7 8.2 4.9 3.5 350 4.5 220 37.1 -11.7 1.3 2.6
Norfolk 36.90 76.20 9 101.22 -6.7 -4.7 11.3 9.9 8.9 11.8 4.3 10.4 4.5 5.4 340 5.2 230 36.2 -9.8 1.6 3.0
Oceana, NAS 36.82 76.03 7 101.24 -5.8 -3.9 9.4 8.3 7.4 9.4 5.4 8.4 5.4 3.4 310 4.0 220 36.5 -10.1 1.0 3.8
Quantico, MCAS 38.50 77.30 4 101.28 -9.0 -6.3 7.4 6.3 5.4 8.3 2.0 6.9 3.6 2.8 340 2.4 230 37.6 -13.6 2.0 3.3
Richmond 37.50 77.33 54 100.68 -10.1 -7.6 8.8 7.9 7.0 9.2 4.2 8.2 4.1 3.1 340 4.4 230 36.4 -14.4 1.4 3.2
Roanoke 37.32 79.97 358 97.10 -11.1 -8.6 10.1 8.8 7.5 12.2 -0.7 10.4 -0.1 4.6 320 4.4 290 35.4 -15.3 1.8 3.1
Sterling 38.95 77.45 98 100.15 -12.8 -10.2 9.9 8.3 7.2 11.2 -0.3 9.5 -0.7 2.9 340 4.2 250 36.0 -18.2 1.8 3.9
Washington, R. Reagan A 38.85 77.03 20 101.08 -9.3 -6.5 10.1 8.9 8.1 10.7 1.2 9.5 1.9 5.0 340 4.8 170 37.0 -13.5 1.4 3.8