Oil Prices in March 1991: WTI & Brent Daily Prices and Monthly Average
WTI averaged $19.90 per barrel in March 1991, down $0.58 (2.8%) from February 1991. It was within 3% of its level a year earlier ($20.39 in March 1990).
Daily spot prices, March 1991
Chart data table (20 rows; WTI on 20, Brent on 20)
| Period | WTI | Brent |
|---|---|---|
| Mar 28, 1991 | $19.63 | $18.00 |
| Mar 27, 1991 | $19.45 | $18.15 |
| Mar 26, 1991 | $19.78 | $18.35 |
| Mar 25, 1991 | $19.47 | $18.60 |
| Mar 22, 1991 | $19.88 | $18.95 |
| Mar 21, 1991 | $20.78 | $18.80 |
| Mar 20, 1991 | $20.40 | $18.98 |
| Mar 19, 1991 | $20.68 | $18.95 |
| Mar 18, 1991 | $19.78 | $18.30 |
| Mar 15, 1991 | $19.88 | $19.05 |
| Mar 14, 1991 | $20.05 | $19.98 |
| Mar 13, 1991 | $20.48 | $20.33 |
| Mar 12, 1991 | $20.06 | $18.43 |
| Mar 11, 1991 | $19.00 | $18.60 |
| Mar 8, 1991 | $19.34 | $19.10 |
| Mar 7, 1991 | $19.33 | $19.65 |
| Mar 6, 1991 | $19.78 | $19.85 |
| Mar 5, 1991 | $20.50 | $20.05 |
| Mar 4, 1991 | $20.33 | $20.20 |
| Mar 1, 1991 | $19.43 | $19.33 |
Prices dipped to $19.00 on Mar 11, 1991, then climbed to $20.78 on Mar 21, 1991 and ended at $19.63. The largest one-day move was +$1.06 on Mar 12, 1991 (+5.6%).
Brent averaged $19.08, within a dollar of WTI on average across the 20 dates when both were published.
Among the 41 March averages EIA has published, 1991's ranks 10th lowest. Within 1991 it ranks 2nd lowest of the 12 monthly averages. WTI moved 5% or more from the previous published price on 1 day. In October 2026 dollars (CPI-U), the average equals $49.75 and the high of $20.78 equals $51.95.
March 1991 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $19.90 | $19.08 |
| Change vs February 1991 | −$0.58 | −$0.46 |
| Change vs March 1990 | −$0.49 | +$0.69 |
| Highest daily price | $20.78 Mar 21, 1991 | $20.33 Mar 13, 1991 |
| Lowest daily price | $19.00 Mar 11, 1991 | $18.00 Mar 28, 1991 |
| Published daily observations | 20 | 20 |
| Average in October 2026 dollars (CPI-U) | $49.75 | $47.70 |
Monthly averages are EIA's published figures. Real figures use CPI-U for March 1991.
March in other years
| Year | WTI average | vs March 1991 | Real |
|---|---|---|---|
| 2026 | $91.38 | +359.2% | $93.40 |
| 2025 | $68.24 | +242.9% | $72.02 |
| 2024 | $81.28 | +308.4% | $87.83 |
| 2023 | $73.28 | +268.2% | $81.94 |
| 2022 | $108.50 | +445.2% | $127.37 |
| 2021 | $62.33 | +213.2% | $79.42 |
| 2020 | $29.21 | +46.8% | $38.19 |
| 2019 | $58.15 | +192.2% | $77.21 |
| 2018 | $62.73 | +215.2% | $84.84 |
| 2017 | $49.33 | +147.9% | $68.29 |
| 2016 | $37.55 | +88.7% | $53.22 |
| 2015 | $47.82 | +140.3% | $68.35 |
| 2014 | $100.80 | +406.5% | $143.98 |
| 2013 | $92.94 | +367.0% | $134.76 |
| 2012 | $106.16 | +433.5% | $156.20 |
| 2011 | $102.86 | +416.9% | $155.35 |
| 2010 | $81.20 | +308.0% | $125.93 |
| 2009 | $47.94 | +140.9% | $76.07 |
| 2008 | $105.45 | +429.9% | $166.68 |
| 2007 | $60.44 | +203.7% | $99.34 |
| 2006 | $62.69 | +215.0% | $105.90 |
| 2005 | $54.19 | +172.3% | $94.62 |
| 2004 | $36.74 | +84.6% | $66.17 |
| 2003 | $33.51 | +68.4% | $61.40 |
| 2002 | $24.53 | +23.3% | $46.30 |
| 2001 | $27.25 | +36.9% | $52.20 |
| 2000 | $29.84 | +49.9% | $58.83 |
| 1999 | $14.68 | −26.2% | $30.03 |
| 1998 | $15.12 | −24.0% | $31.46 |
| 1997 | $20.97 | +5.4% | $44.24 |
| 1996 | $21.33 | +7.2% | $46.24 |
| 1995 | $18.54 | −6.8% | $41.33 |
| 1994 | $14.68 | −26.2% | $33.66 |
| 1993 | $20.32 | +2.1% | $47.76 |
| 1992 | $18.92 | −4.9% | $45.84 |
| 1991 | $19.90 | — | $49.75 |
| 1990 | $20.39 | +2.5% | $53.47 |
| 1989 | $19.48 | −2.1% | $53.76 |
| 1988 | $16.20 | −18.6% | $46.93 |
| 1987 | $18.30 | −8.0% | $55.10 |
| 1986 | $12.61 | −36.6% | $39.12 |
“—” 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 March 1991.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Mar 1, 1991 – Mar 28, 1991 | Mar 28, 1991 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Mar 1, 1991 – Mar 28, 1991 | Mar 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)