Heating demand
US heating degree days (propane-weighted)
Weekly heating degree days weighted by each region's propane-heating households, from the NOAA Climate Prediction Center. The weather driver of propane heating demand.
Data through week of Aug 31, 2026 · source last checked Sep 2, 2026 · page revised Sep 2, 2026
Cite
- Weekly HDD
About this data
- Source
- NOAA Climate Prediction Center, weekly heating degree day summary
- Series
- Propane (LP gas) household-weighted heating degree days
- Basis
- Population-weighted by propane-heating household share
- Geography
- United States
- Unit
- HDD
- Calculation
- Weekly total
- Last observation
- week of Aug 31, 2026
- Update frequency
- Weekly
Heating degree days measure how much heating weather a week brought. It is the off-season now, so weekly propane-weighted HDD sits near zero by design; demand and the readings build again with the fall.
Propane-weighted heating degree days read zero this week; it is off-season, and demand will build again with the fall.
| Period | Current | Prior | Change |
|---|---|---|---|
| Week over week | 0 | 0 | n/a |
| vs 4 weeks ago | 0 | 0 | n/a |
| Year over year | 0 | 9 | -100.0% |
| vs 5-yr median | 0 | 0 | n/a |
Previous weeks
Week of Aug 24, 2026
Weekly propane-weighted HDD read zero through August 24.
An earlier week
Weekly propane-weighted heating degree days read zero for the week ending August 17, as is normal for summer; demand picks up again in the fall.
Week of Aug 19, 2026
Weekly propane-weighted heating degree days stand at zero.