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
HDD
Embed chart
Free to republish with attribution. The chart updates automatically as new data lands.
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.

The numbers
PeriodCurrentPriorChange
Week over week00n/a
vs 4 weeks ago00n/a
Year over year09-100.0%
vs 5-yr median00n/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.