Oil Prices in December 2011: WTI & Brent Daily Prices and Monthly Average
WTI averaged $98.56 per barrel in December 2011, little changed from November 2011 ($97.16). A year earlier, in December 2010, it averaged $89.15, so the price was higher by $9.41 (10.6%) year over year.
Daily spot prices, December 2011
Chart data table (21 rows)
| Period | WTI | Brent |
|---|---|---|
| Dec 30, 2011 | $98.83 | $108.09 |
| Dec 29, 2011 | $99.68 | $106.89 |
| Dec 28, 2011 | $99.44 | $107.54 |
| Dec 27, 2011 | $101.29 | — |
| Dec 23, 2011 | $99.72 | $109.28 |
| Dec 22, 2011 | $99.42 | $108.98 |
| Dec 21, 2011 | $98.54 | $108.00 |
| Dec 20, 2011 | $97.16 | $107.80 |
| Dec 19, 2011 | $93.86 | $104.55 |
| Dec 16, 2011 | $93.55 | $104.00 |
| Dec 15, 2011 | $93.84 | $104.52 |
| Dec 14, 2011 | $94.92 | $105.72 |
| Dec 13, 2011 | $100.24 | $109.25 |
| Dec 12, 2011 | $97.77 | $107.82 |
| Dec 9, 2011 | $99.40 | $107.91 |
| Dec 8, 2011 | $98.35 | $108.23 |
| Dec 7, 2011 | $100.45 | $110.07 |
| Dec 6, 2011 | $101.25 | $110.16 |
| Dec 5, 2011 | $100.94 | $110.18 |
| Dec 2, 2011 | $100.97 | $109.59 |
| Dec 1, 2011 | $100.20 | $108.83 |
Prices dipped to $93.55 on Dec 16, 2011, then climbed to $101.29 on Dec 27, 2011 and ended at $98.83. The largest one-day move was −$5.32 on Dec 14, 2011 (−5.3%).
Brent averaged $107.87; its premium over WTI on matched dates averaged $9.44, with the daily Brent − WTI difference ranging from +$7.21 to +$10.80.
Adjusted with CPI-U, the December 2011 average equals $147.16 in September 2026 dollars.
December 2011 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $98.56 | $107.87 |
| Change vs November 2011 | +$1.40 | −$2.90 |
| Change vs December 2010 | +$9.41 | +$16.42 |
| Highest daily price | $101.29 Dec 27, 2011 | $110.18 Dec 5, 2011 |
| Lowest daily price | $93.55 Dec 16, 2011 | $104.00 Dec 16, 2011 |
| Published daily observations | 21 | 20 |
| Average in September 2026 dollars (CPI-U) | $147.16 | $161.06 |
Monthly averages are EIA's published figures. Real figures use CPI-U for December 2011.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Dec 1, 2011 – Dec 30, 2011 | Dec 30, 2011 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Dec 1, 2011 – Dec 30, 2011 | Dec 30, 2011 |
| U.S. Bureau of Labor Statistics | CUUR0000SA0 — CPI-U, all items, NSA | index, 1982–84=100 | monthly | September 2026 |
Last updated: Oct 21, 2026, 5:27 PM CDT. Raw values are shown in source units; any conversion is labeled. See methodology and data sources.
Download:2011 daily prices (CSV)