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| Washington Premium Conventional Retail Gasoline Prices (Dollars per Gallon) | ||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 1.755 | 1.778 | 1.803 | 1.959 | 2.060 | 1.847 | 1.794 | 1.745 | ||||
| 2004 | 1.809 | 1.894 | 2.015 | 2.125 | 2.411 | 2.377 | 2.215 | 2.171 | 2.211 | 2.274 | 2.261 | 2.136 |
| 2005 | 2.045 | 2.170 | 2.358 | 2.631 | 2.618 | 2.489 | 2.626 | 2.816 | 3.126 | 2.996 | 2.650 | 2.404 |
| 2006 | 2.461 | 2.494 | 2.642 | 2.928 | 3.315 | 3.292 | 3.246 | 3.260 | 3.072 | 2.766 | 2.712 | 2.816 |
| 2007 | 2.804 | 2.669 | 2.933 | 3.291 | 3.611 | 3.431 | 3.229 | 3.051 | 3.094 | 3.220 | 3.444 | 3.381 |
| 2008 | 3.349 | 3.361 | 3.687 | 3.818 | 4.085 | 4.507 | 4.542 | 4.254 | 4.014 | 3.444 | 2.594 | 2.086 |
| 2009 | 2.219 | 2.358 | 2.390 | 2.545 | 2.722 | 3.035 | 2.990 | 3.090 | 3.172 | 3.033 | 3.068 | 3.029 |
| 2010 | 3.092 | 3.051 | 3.171 | 3.262 | 3.258 | 3.196 | 3.248 | 3.336 | 3.239 | 3.284 | 3.336 | 3.409 |
| 2011 | 3.475 | 3.590 | 3.919 | 4.141 | 4.253 | 4.133 | 4.046 | 4.048 | 4.135 | 4.063 | 3.980 | 3.765 |
| 2012 | 3.731 | 3.901 | 4.245 | 4.378 | 4.455 | 4.328 | 3.907 | 4.155 | 4.289 | 4.255 | 3.837 | 3.662 |
| 2013 | 3.622 | 3.849 | 4.031 | 3.947 | 4.154 | 4.090 | 4.110 | 4.058 | 3.976 | 3.781 | 3.578 | 3.548 |
| 2014 | 3.568 | 3.584 | 3.817 | 4.029 | 4.108 | 4.193 | 4.193 | 4.113 | 4.026 | 3.684 | 3.371 | 3.076 |
| 2015 | 2.569 | 2.502 | 2.998 | 3.001 | 3.241 | 3.383 | 3.467 | 3.366 | 3.041 | 2.773 | 2.748 | 2.701 |
| 2016 | 2.643 | 2.381 | 2.501 | 2.621 | 2.837 | 2.952 | 2.970 | 2.881 | 2.974 | 3.010 | 2.960 | 2.869 |
| 2017 | 3.006 | 3.025 | 3.126 | 3.198 | 3.194 | 3.140 | 3.112 | 3.190 | 3.371 | 3.261 | 3.293 | 3.255 |
| 2018 | 3.244 | 3.296 | 3.367 | 3.521 | 3.649 | 3.681 | 3.649 | 3.616 | 3.624 | 3.721 | 3.692 | 3.424 |
| 2019 | 3.221 | 3.124 | 3.201 | 3.594 | 3.807 | 3.678 | 3.538 | 3.476 | 3.442 | 3.595 | 3.659 | 3.483 |
| 2020 | 3.367 | 3.343 | 3.267 | 2.833 | 2.718 | 2.905 | 3.049 | 3.110 | 3.121 | 3.066 | 3.040 | 3.000 |
| 2021 | 3.021 | 3.153 | 3.505 | 3.644 | 3.816 | 3.942 | 4.127 | 4.196 | 4.191 | 4.175 | 4.188 | 4.149 |
| 2022 | 4.238 | 4.279 | 4.957 | 4.964 | 5.292 | 5.796 | 5.582 | 5.136 | 5.016 | 5.454 | 5.016 | 4.364 |
| 2023 | 4.282 | 4.476 | 4.547 | 4.764 | 4.966 | 5.180 | 5.312 | 5.402 | 5.406 | 5.253 | 4.811 | 4.588 |
| 2024 | 4.410 | 4.334 | 4.626 | 4.995 | 5.000 | 4.765 | 4.627 | 4.560 | 4.514 | 4.424 | 4.379 | 4.315 |
| 2025 | 4.299 | 4.468 | 4.491 | 4.664 | 4.659 | 4.759 | 4.760 | 4.802 | 4.940 | 4.883 | 4.664 | 4.446 |
| 2026 | 4.209 | 4.477 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/10/2026 |
| Next Release Date: 3/17/2026 |