Oil Prices in June 1991: WTI & Brent Daily Prices and Monthly Average
WTI averaged $20.19 per barrel in June 1991, down $1.04 (4.9%) from May 1991. A year earlier, in June 1990, it averaged $16.70, so the price was higher by $3.49 (20.9%) year over year.
Daily spot prices, June 1991
Chart data table (20 rows; WTI on 20, Brent on 20)
| Period | WTI | Brent |
|---|---|---|
| Jun 28, 1991 | $20.56 | $18.48 |
| Jun 27, 1991 | $20.41 | $18.08 |
| Jun 26, 1991 | $20.12 | $18.10 |
| Jun 25, 1991 | $20.03 | $18.15 |
| Jun 24, 1991 | $19.92 | $18.18 |
| Jun 21, 1991 | $20.10 | $18.43 |
| Jun 20, 1991 | $20.22 | $18.15 |
| Jun 19, 1991 | $19.99 | $17.88 |
| Jun 18, 1991 | $20.11 | $18.00 |
| Jun 17, 1991 | $19.97 | $17.85 |
| Jun 14, 1991 | $19.70 | $17.70 |
| Jun 13, 1991 | $19.71 | $18.00 |
| Jun 12, 1991 | $20.08 | $17.73 |
| Jun 11, 1991 | $19.85 | $17.85 |
| Jun 10, 1991 | $19.84 | $18.00 |
| Jun 7, 1991 | $20.28 | $18.28 |
| Jun 6, 1991 | $20.38 | $18.03 |
| Jun 5, 1991 | $20.45 | $18.63 |
| Jun 4, 1991 | $20.90 | $18.83 |
| Jun 3, 1991 | $21.16 | $19.00 |
The month's range ran from $19.70 on Jun 14, 1991 to $21.16 on Jun 3, 1991; the last price was $20.56 on Jun 28, 1991.
Brent averaged $18.17, on matched dates $2.02 below WTI on average across 20 dates.
Among the 41 June averages EIA has published, 1991's ranks 12th lowest. Within 1991 it ranks 3rd lowest of the 12 monthly averages. In October 2026 dollars (CPI-U), the average equals $50.11 and the high of $21.16 equals $52.51.
June 1991 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $20.19 | $18.17 |
| Change vs May 1991 | −$1.04 | −$1.02 |
| Change vs June 1990 | +$3.49 | +$3.07 |
| Highest daily price | $21.16 Jun 3, 1991 | $19.00 Jun 3, 1991 |
| Lowest daily price | $19.70 Jun 14, 1991 | $17.70 Jun 14, 1991 |
| Published daily observations | 20 | 20 |
| Average in October 2026 dollars (CPI-U) | $50.11 | $45.09 |
Monthly averages are EIA's published figures. Real figures use CPI-U for June 1991.
June in other years
| Year | WTI average | vs June 1991 | Real |
|---|---|---|---|
| 2026 | $84.81 | +320.1% | $85.71 |
| 2025 | $68.17 | +237.6% | $71.33 |
| 2024 | $79.77 | +295.1% | $85.70 |
| 2023 | $70.25 | +247.9% | $77.71 |
| 2022 | $114.84 | +468.8% | $130.81 |
| 2021 | $71.38 | +253.5% | $88.67 |
| 2020 | $38.31 | +89.7% | $50.16 |
| 2019 | $54.66 | +170.7% | $72.02 |
| 2018 | $67.87 | +236.2% | $90.90 |
| 2017 | $45.18 | +123.8% | $62.25 |
| 2016 | $48.76 | +141.5% | $68.28 |
| 2015 | $59.82 | +196.3% | $84.60 |
| 2014 | $105.79 | +424.0% | $149.81 |
| 2013 | $95.77 | +374.3% | $138.43 |
| 2012 | $82.30 | +307.6% | $121.04 |
| 2011 | $96.26 | +376.8% | $143.93 |
| 2010 | $75.34 | +273.2% | $116.66 |
| 2009 | $69.64 | +244.9% | $108.97 |
| 2008 | $133.88 | +563.1% | $206.50 |
| 2007 | $67.49 | +234.3% | $109.33 |
| 2006 | $70.95 | +251.4% | $118.02 |
| 2005 | $56.35 | +179.1% | $97.78 |
| 2004 | $38.03 | +88.4% | $67.66 |
| 2003 | $30.66 | +51.9% | $56.33 |
| 2002 | $25.52 | +26.4% | $47.88 |
| 2001 | $27.60 | +36.7% | $52.33 |
| 2000 | $31.82 | +57.6% | $62.29 |
| 1999 | $17.92 | −11.2% | $36.39 |
| 1998 | $13.72 | −32.0% | $28.41 |
| 1997 | $19.26 | −4.6% | $40.55 |
| 1996 | $20.42 | +1.1% | $43.98 |
| 1995 | $18.45 | −8.6% | $40.83 |
| 1994 | $19.06 | −5.6% | $43.47 |
| 1993 | $19.09 | −5.4% | $44.62 |
| 1992 | $22.39 | +10.9% | $53.90 |
| 1991 | $20.19 | — | $50.11 |
| 1990 | $16.70 | −17.3% | $43.39 |
| 1989 | $20.05 | −0.7% | $54.53 |
| 1988 | $16.53 | −18.1% | $47.28 |
| 1987 | $20.07 | −0.6% | $59.68 |
| 1986 | $13.43 | −33.5% | $41.40 |
“—” in the real column means BLS has published no CPI-U for that month. The comparison column shows how far that year's average was from June 1991.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Jun 3, 1991 – Jun 28, 1991 | Jun 28, 1991 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Jun 3, 1991 – Jun 28, 1991 | Jun 28, 1991 |
| U.S. Bureau of Labor Statistics | CUUR0000SA0 — CPI-U, all items, NSA | index, 1982–84=100 | monthly | October 2026 |
Last updated: Nov 10, 2026, 7:01 PM CST. Raw values are shown in source units; any conversion is labeled. See methodology and data sources.
Download:1991 daily prices (CSV)