Heating and Wind Design Conditions for Thailand

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
Bangkok 13.92 N 100.60 E 12 101.18 18.4 19.9 8.3 7.3 6.4 6.2 27.7 5.3 27.4 1.9 40 4.8 180 38.8 16.3 1.7 1.5
Chiang Mai 18.78 N 98.98 E 314 97.61 11.9 13.1 7.4 5.9 4.9 5.7 22.3 4.3 23.8 0.4 360 3.1 190 39.5 9.0 0.9 1.0
Chiang Rai 19.92 N 99.83 E 395 96.67 9.6 11.0 4.3 3.5 3.2 3.9 20.6 3.3 21.8 0.0 20 2.1 180 39.0 6.8 0.9 1.4
Chumphon 10.48 N 99.18 E 5 101.26 19.1 20.2 7.9 6.8 5.9 8.5 28.1 7.7 28.1 0.0 30 4.0 120 37.7 17.2 1.1 1.3
Hat Yai 6.92 N 100.43 E 35 100.91 20.9 21.8 8.1 7.1 6.2 8.3 28.5 7.3 28.5 0.2 330 3.3 240 37.7 19.6 1.1 0.8
Phetchabun 16.43 N 101.15 E 116 99.94 13.6 15.2 4.4 3.9 3.4 4.6 26.1 4.1 26.1 0.1 360 2.6 180 40.2 7.9 0.7 10.6
Phrae 18.17 N 100.17 E 162 99.39 12.9 14.3 4.3 3.5 3.2 3.3 24.7 3.0 26.3 0.2 30 2.2 240 40.6 9.1 1.1 3.2
Tak 16.88 N 99.15 E 124 99.84 14.0 15.5 8.1 6.3 5.2 3.6 26.8 3.1 26.8 0.0 270 2.1 270 40.9 11.3 0.7 1.6