West Virginia design temperatures
Outdoor heating and cooling design conditions for 7 West Virginia weather stations. Choose the station nearest to you in distance and elevation, and check whether your building department specifies its own values.
| Station | Elevation | 99.6 % heating | 99 % heating | 1 % cooling / MCWB | 0.4 % cooling / MCWB | Use it |
|---|---|---|---|---|---|---|
| Beckley MemorialWMO 724120 · 1973–1996 | 2,513 ft | 3 °F | 8 °F | 82 / 69 °F | 85 / 70 °F | Load calculator |
| Bluefield/MercerWMO 724125 · 1973–1996 | 2,858 ft | 4 °F | 9 °F | 82 / 69 °F | 84 / 69 °F | Load calculator |
| Charleston/KanawhaWMO 724140 · 1973–1996 | 981 ft | 5 °F | 11 °F | 89 / 73 °F | 91 / 74 °F | Load calculator |
| Huntington/Tri StateWMO 724250 · 1973–1996 | 837 ft | 6 °F | 12 °F | 89 / 74 °F | 92 / 75 °F | Load calculator |
| MartinsburgWMO 724177 · 1973–1996 | 558 ft | 8 °F | 13 °F | 91 / 74 °F | 93 / 74 °F | Load calculator |
| Morgantown/HartWMO 724176 · 1973–1996 | 1,247 ft | 4 °F | 9 °F | 87 / 72 °F | 89 / 73 °F | Load calculator |
| Wheeling/OhioWMO 724275 · 1973–1996 | 1,198 ft | 1 °F | 7 °F | 88 / 73 °F | 90 / 74 °F | Load calculator |
Using these values
- Heat-loss calculations for homes commonly use the 99 % heating value, and cooling loads the 1 % dry bulb with its mean coincident wet bulb (MCWB). The 99.6 % and 0.4 % values are more conservative.
- “Load calculator” opens the heating and cooling load calculator with that station’s 99 % and 1 % temperatures and its design moisture difference (outdoor air at the 1 % condition versus 75 °F, 50 % RH indoors, at the station’s elevation).
- Source: U.S. Air Force Combat Climatology Center and NOAA National Climatic Data Center, Engineering Weather Data (1999; public domain). Each station’s period of record is shown under its name; they end by 1996, and the climate has warmed since, so check local requirements before relying on a value for a permit.