Gas in Washington averaged $3.01 in 2010 — $4.45 in today’s money
Average, that year
$3.01
In 2025 dollars
$4.45
The average price of a gallon of regular gasoline in Washington across 2010, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U).
Across the year
How Washington prices moved through 2010
Weekly average for regular gasoline. The year’s high was $3.20 the week of December 27, 2010; the low was $2.79 the week of February 15, 2010 — a swing of 14.7%.
View the weekly data (52 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 4, 2010 | $2.81 | $4.16 |
| January 11, 2010 | $2.89 | $4.28 |
| January 18, 2010 | $2.89 | $4.28 |
| January 25, 2010 | $2.87 | $4.25 |
| February 1, 2010 | $2.84 | $4.21 |
| February 8, 2010 | $2.82 | $4.18 |
| February 15, 2010 | $2.79 | $4.13 |
| February 22, 2010 | $2.84 | $4.21 |
| March 1, 2010 | $2.89 | $4.29 |
| March 8, 2010 | $2.93 | $4.34 |
| March 15, 2010 | $2.96 | $4.38 |
| March 22, 2010 | $2.98 | $4.42 |
| March 29, 2010 | $2.99 | $4.43 |
| April 5, 2010 | $3.00 | $4.44 |
| April 12, 2010 | $3.04 | $4.51 |
| April 19, 2010 | $3.06 | $4.54 |
| April 26, 2010 | $3.07 | $4.55 |
| May 3, 2010 | $3.08 | $4.56 |
| May 10, 2010 | $3.08 | $4.57 |
| May 17, 2010 | $3.05 | $4.53 |
| May 24, 2010 | $3.00 | $4.45 |
| May 31, 2010 | $2.96 | $4.38 |
| June 7, 2010 | $2.96 | $4.39 |
| June 14, 2010 | $2.96 | $4.38 |
| June 21, 2010 | $2.97 | $4.41 |
| June 28, 2010 | $2.99 | $4.43 |
| July 5, 2010 | $2.99 | $4.42 |
| July 12, 2010 | $2.98 | $4.41 |
| July 19, 2010 | $3.02 | $4.48 |
| July 26, 2010 | $3.07 | $4.54 |
| August 2, 2010 | $3.09 | $4.57 |
| August 9, 2010 | $3.13 | $4.62 |
| August 16, 2010 | $3.13 | $4.62 |
| August 23, 2010 | $3.11 | $4.59 |
| August 30, 2010 | $3.06 | $4.52 |
| September 6, 2010 | $3.02 | $4.45 |
| September 13, 2010 | $3.00 | $4.43 |
| September 20, 2010 | $3.00 | $4.42 |
| September 27, 2010 | $2.99 | $4.41 |
| October 4, 2010 | $2.99 | $4.40 |
| October 11, 2010 | $3.04 | $4.47 |
| October 18, 2010 | $3.08 | $4.53 |
| October 25, 2010 | $3.09 | $4.54 |
| November 1, 2010 | $3.08 | $4.51 |
| November 8, 2010 | $3.08 | $4.51 |
| November 15, 2010 | $3.12 | $4.57 |
| November 22, 2010 | $3.13 | $4.59 |
| November 29, 2010 | $3.11 | $4.56 |
| December 6, 2010 | $3.15 | $4.61 |
| December 13, 2010 | $3.18 | $4.64 |
| December 20, 2010 | $3.19 | $4.65 |
| December 27, 2010 | $3.20 | $4.67 |
Year over year
How 2010 compares, adjusted for inflation
2010 was Washington’s 10th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 15th-cheapest of 24 years (2003–2026).
Every grade
Washington fuel prices by grade in 2010
Year-average price per grade. Premium figures are the spread drivers paid for higher-octane fuel that year.
| Grade | Avg / gal | 2025 $ | vs. regular |
|---|---|---|---|
| Regular | $3.01 | $4.45 | — |
| Midgrade | $3.14 | $4.63 | +12.3¢ |
| Premium | $3.24 | $4.79 | +22.9¢ |
Common questions
Washington gas prices in 2010, answered
- What was the average price of gas in Washington in 2010?
- The average price of regular gasoline in Washington in 2010 was $3.01 per gallon — about $4.45 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Washington during 2010?
- Washington's weekly average for regular gasoline peaked at $3.20 the week of December 27, 2010 and bottomed out at $2.79 the week of February 15, 2010 — a swing of 14.7% across the year.
- Were gas prices in Washington higher in 2010 than in 2009?
- Adjusted for inflation, regular gasoline in Washington was more expensive in 2010 than in 2009, up 15.0% year over year.
- How does 2010 rank for gas prices in Washington history?
- Adjusted for inflation, 2010 was the 10th-most-expensive year for regular gasoline in Washington out of the 24 years EIA has published weekly prices (2003–2026).