Heating and Wind Design Conditions for Delaware

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
Dover, AFB 39.13 75.47 30 14.680 14 18 22 19 17 23 36 21 35 8 340 9 240 97 6 3.2 6.1
Wilmington 39.68 75.60 79 14.654 10 14 25 22 19 27 29 23 30 11 290 11 240 96 3 2.7 6.8