PADD 4 diesel price (Rocky Mountain) in September 2021
4 official EIA weekly readings
- The average PADD 4 (Rocky Mountain) on-highway diesel price in September 2021 was $3.629 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $3.605; the weekly high was $3.645.
- That monthly average was $0.024 lower than August 2021.
- It was $1.272 higher than September 2020.
This is a calendar-month view of the official EIA weekly Rocky Mountain series. It averages only the source weeks listed below, not a separate government monthly estimate.
September 2021 weekly chart
Every EIA week in September 2021
| Week of | $/gal | Change |
|---|---|---|
| $3.645 | ▲+$0.017 | |
| $3.636 | ▼−$0.009 | |
| $3.629 | ▼−$0.007 | |
| $3.605 | ▼−$0.024 |
← August 2021 · October 2021 → · all of 2021 · all Rocky Mountain history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.