Heating and Wind Design Conditions for South Africa
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 | |
Bloemfontein | 29.10 S | 26.30 E | 4422 | 12.498 | 26 | 28 | 24 | 21 | 19 | 21 | 55 | 18 | 58 | 1 | 220 | 12 | 270 | 98 | 22 | 2.5 | 3.1 |
Cape Town | 33.98 S | 18.60 E | 137 | 14.627 | 38 | 41 | 32 | 29 | 26 | 31 | 57 | 28 | 58 | 0 | 40 | 12 | 170 | 94 | 34 | 2.9 | 1.4 |
Durban | 29.97 S | 30.95 E | 26 | 14.686 | 50 | 52 | 27 | 23 | 21 | 24 | 70 | 21 | 69 | 1 | 340 | 14 | 30 | 93 | 46 | 2.2 | 2.0 |
Johannesburg | 26.13 S | 28.23 E | 5577 | 11.969 | 34 | 37 | 22 | 19 | 17 | 19 | 55 | 18 | 54 | 9 | 210 | 9 | 300 | 89 | 29 | 1.8 | 3.1 |
Marion Island | 46.88 S | 37.87 E | 72 | 14.662 | 30 | 32 | 60 | 53 | 47 | 59 | 38 | 52 | 43 | 17 | 200 | 22 | 290 | 68 | 24 | 9.0 | 4.3 |
Port Elizabeth | 33.98 S | 25.60 E | 196 | 14.596 | 43 | 46 | 33 | 29 | 26 | 31 | 58 | 28 | 60 | 2 | 270 | 10 | 290 | 97 | 38 | 3.8 | 2.2 |
Pretoria | 25.73 S | 28.18 E | 4337 | 12.538 | 39 | 41 | 14 | 12 | 11 | 13 | 61 | 11 | 59 | 1 | 220 | 4 | 270 | 94 | 35 | 2.9 | 2.0 |