Heating and Wind Design Conditions for Massachusetts

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
Boston 42.37 71.03 9 101.22 -13.7 -11.3 13.1 11.3 10.2 13.5 -1.3 12.2 -2.1 7.5 320 6.2 270 35.4 -17.6 1.5 2.6
East Falmouth, Otis Angb 41.65 70.52 40 100.85 -11.9 -9.8 11.4 10.0 8.9 11.8 1.0 10.3 0.6 4.2 300 4.5 240 32.2 -15.1 1.4 2.1
Weymouth, S Weymth NAS 42.15 70.93 49 100.74 -14.6 -11.8 8.3 7.3 6.3 8.1 -1.9 7.2 -1.7 3.0 320 3.9 260 36.1 -18.9 2.1 2.1
Worcester 42.27 71.88 308 97.68 -17.7 -15.1 12.0 10.2 8.8 12.9 -5.6 11.4 -6.1 6.1 270 4.3 270 32.4 -21.2 1.1 2.3