Heating and Wind Design Conditions for Maryland

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
Camp Springs, Andrews AFB 38.82 76.87 282 14.546 13 18 21 18 16 23 30 21 32 7 350 9 230 98 4 2.9 6.7
Baltimore, BWI Airport 39.18 76.67 154 14.614 11 15 24 21 19 25 31 22 31 10 290 11 280 97 4 2.9 5.8
Lex Park, Patuxent River 38.28 76.40 39 14.675 16 21 20 17 15 22 30 19 35 9 340 9 270 98 8 2.3 6.1
Salisbury 38.33 75.52 52 14.668 13 18 20 18 16 20 35 19 37 6 10 9 240 97 4 2.7 5.8