Michigan design temperatures
Outdoor heating and cooling design conditions for 16 Michigan 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 |
|---|---|---|---|---|---|---|
| AlpenaWMO 726390 · 1973–1996 | 692 ft | −7 °F | −2 °F | 84 / 69 °F | 88 / 72 °F | Load calculator |
| Battle CreekWMO 725396 · 1973–1996 | 951 ft | −1 °F | 4 °F | 88 / 72 °F | 91 / 74 °F | Load calculator |
| Detroit CityWMO 725375 · 1973–1996 | 627 ft | 4 °F | 8 °F | 88 / 72 °F | 91 / 74 °F | Load calculator |
| Flint/BishopWMO 726370 · 1973–1992 | 764 ft | −2 °F | 3 °F | 86 / 72 °F | 89 / 73 °F | Load calculator |
| Grand RapidsWMO 726350 · 1973–1992 | 804 ft | 0 °F | 5 °F | 87 / 72 °F | 90 / 73 °F | Load calculator |
| HoughtonWMO 727440 · 1973–1996 | 1,079 ft | −8 °F | −3 °F | 81 / 68 °F | 85 / 71 °F | Load calculator |
| Jackson/ReynoldsWMO 725395 · 1973–1996 | 1,001 ft | −3 °F | 2 °F | 88 / 73 °F | 90 / 74 °F | Load calculator |
| K. I. SawyerWMO 727435 · 1966–1995 | 1,221 ft | −12 °F | −7 °F | 82 / 67 °F | 86 / 70 °F | Load calculator |
| LansingWMO 725390 · 1973–1996 | 873 ft | −4 °F | 2 °F | 87 / 72 °F | 90 / 74 °F | Load calculator |
| MarquetteWMO 727430 · 1973–1996 | 1,424 ft | −15 °F | −9 °F | 82 / 67 °F | 86 / 70 °F | Load calculator |
| MuskegonWMO 726360 · 1973–1996 | 633 ft | 3 °F | 7 °F | 83 / 70 °F | 86 / 72 °F | Load calculator |
| Pellston/EmmetWMO 727347 · 1973–1996 | 719 ft | −12 °F | −5 °F | 84 / 70 °F | 87 / 71 °F | Load calculator |
| Sault Ste MarieWMO 727340 · 1973–1996 | 725 ft | −13 °F | −8 °F | 80 / 68 °F | 84 / 70 °F | Load calculator |
| Selfridge ANGBWMO 725377 · 1967–1996 | 581 ft | 2 °F | 6 °F | 86 / 72 °F | 89 / 74 °F | Load calculator |
| Traverse CityWMO 726387 · 1973–1996 | 623 ft | −3 °F | 2 °F | 86 / 70 °F | 89 / 71 °F | Load calculator |
| Wurtsmith AFBWMO 726395 · 1967–1996 | 633 ft | −2 °F | 2 °F | 85 / 71 °F | 89 / 73 °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.