PADD 4 diesel price (Rocky Mountain) in September 1999
4 official EIA weekly readings
- The average PADD 4 (Rocky Mountain) on-highway diesel price in September 1999 was $1.296 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $1.292; the weekly high was $1.298.
- That monthly average was $0.039 higher than August 1999.
- It was $0.208 higher than September 1998.
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 1999 weekly chart
Every EIA week in September 1999
| Week of | $/gal | Change |
|---|---|---|
| $1.295 | ▲+$0.005 | |
| $1.298 | ▲+$0.003 | |
| $1.298 | $0.000 | |
| $1.292 | ▼−$0.006 |
← August 1999 · October 1999 → · all of 1999 · all Rocky Mountain history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.