Heating and Wind Design Conditions for Saudi Arabia

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
Abha 18.23 N 42.65 E 2084 78.67 5.2 6.8 10.3 9.3 8.4 11.1 15.2 10.0 15.3 0.8 180 5.9 20 33.6 1.5 3.1 1.6
Al Jawf 29.78 N 40.10 E 684 93.37 0.2 1.8 11.4 9.7 8.4 11.8 9.6 9.7 11.2 2.3 50 3.8 320 43.9 -2.3 2.5 2.0
Al Madinah 24.55 N 39.70 E 631 93.97 8.8 9.9 9.1 8.0 7.0 8.7 18.3 7.5 19.3 3.0 60 4.1 300 45.8 5.5 1.2 2.2
Al Wajh 26.20 N 36.47 E 16 101.13 11.7 12.8 12.3 11.1 10.1 11.9 19.8 10.5 20.8 3.0 20 5.7 270 40.3 8.6 1.9 2.6
Ar’ar 30.90 N 41.13 E 552 94.87 -0.1 1.2 9.8 8.5 7.5 9.3 10.5 8.2 10.9 1.9 270 3.2 240 43.7 -2.3 1.1 1.7
At Ta’if 21.48 N 40.55 E 1449 85.09 5.6 7.2 10.4 9.4 8.5 10.6 18.3 9.6 18.8 2.4 90 4.4 50 38.2 1.4 1.8 1.6
Az Zahran 26.27 N 50.15 E 17 101.12 7.0 8.3 11.6 10.1 9.1 9.6 16.1 8.6 15.9 4.1 290 5.9 360 46.7 4.6 1.3 2.1
Ha’il 27.43 N 41.68 E 1013 89.73 -0.8 1.1 10.3 9.0 7.9 10.4 13.9 9.0 15.4 1.8 180 3.6 180 42.2 -4.1 2.0 2.7
Hafar Al Batin 28.33 N 46.17 E 355 97.13 2.4 4.0 12.2 10.4 9.3 10.9 13.4 9.8 13.3 2.9 270 4.4 240 47.1 -0.6 1.3 1.0
Jiddah 21.67 N 39.15 E 12 101.18 14.8 15.9 10.2 9.2 8.3 10.2 25.3 9.3 24.8 2.8 30 5.9 330 45.3 12.0 2.5 1.9
Jizan 16.90 N 42.58 E 3 101.29 20.1 21.2 9.0 8.0 7.2 7.8 27.6 7.0 27.8 2.4 100 4.6 230 41.5 14.2 2.5 5.7
Khamis Mushayt 18.30 N 42.80 E 2054 78.96 4.3 6.1 9.2 8.2 7.2 9.7 16.1 8.9 16.1 0.8 150 4.5 30 36.2 1.8 3.8 2.3
Makkah 21.48 N 39.83 E 310 97.66 15.2 16.8 6.4 5.4 4.8 6.7 25.1 5.6 25.4 1.6 20 3.4 300 47.5 11.7 1.1 2.4
Qasim 26.30 N 43.77 E 650 93.76 2.7 4.0 9.3 8.1 7.0 8.8 15.8 7.4 13.8 0.8 30 3.7 90 45.9 -0.1 2.1 1.8
Rafha 29.63 N 43.48 E 447 96.07 0.4 1.9 11.3 9.9 8.8 10.8 12.1 9.7 13.2 1.8 270 4.0 300 46.3 -2.6 1.5 1.5
Riyadh 24.72 N 46.72 E 612 94.19 5.1 6.8 9.9 8.5 7.5 9.2 15.6 8.0 15.5 1.6 320 4.8 360 46.0 1.9 0.8 1.5
Tabuk 28.37 N 36.63 E 770 92.41 1.1 2.6 11.0 9.1 7.5 11.0 15.5 9.0 15.4 1.1 110 4.5 270 41.8 -1.3 1.2 1.3
Turayf 31.68 N 38.67 E 813 91.93 -1.9 -0.1 11.2 9.9 8.8 11.4 7.7 10.0 7.8 2.8 270 4.2 270 40.9 -4.0 1.3 1.9
Yanbu’al Bahr 24.15 N 38.07 E 1 101.31 10.9 12.1 11.4 10.2 9.2 11.0 22.1 9.8 22.5 1.5 10 7.7 270 45.8 8.6 1.0 1.1