Oil Prices in October 2003: WTI & Brent Daily Prices and Monthly Average
WTI averaged $30.34 per barrel in October 2003, up $2.03 (7.2%) from September 2003. A year earlier, in October 2002, it averaged $28.84, so the price was higher by $1.50 (5.2%) year over year.
Daily spot prices, October 2003
Chart data table (23 rows)
| Period | WTI | Brent |
|---|---|---|
| Oct 31, 2003 | $29.24 | $27.88 |
| Oct 30, 2003 | $28.67 | $27.47 |
| Oct 29, 2003 | $28.95 | $28.56 |
| Oct 28, 2003 | $29.57 | $28.99 |
| Oct 27, 2003 | $29.95 | $29.38 |
| Oct 24, 2003 | $29.99 | $30.01 |
| Oct 23, 2003 | $30.31 | $29.63 |
| Oct 22, 2003 | $30.00 | $29.25 |
| Oct 21, 2003 | $30.19 | $29.61 |
| Oct 20, 2003 | $30.37 | $29.78 |
| Oct 17, 2003 | $30.61 | $30.27 |
| Oct 16, 2003 | $31.51 | $31.05 |
| Oct 15, 2003 | $31.74 | $31.23 |
| Oct 14, 2003 | $31.68 | $31.45 |
| Oct 13, 2003 | $31.91 | $31.00 |
| Oct 10, 2003 | $32.01 | $31.13 |
| Oct 9, 2003 | $30.97 | $30.21 |
| Oct 8, 2003 | $29.60 | $28.96 |
| Oct 7, 2003 | $30.48 | $29.35 |
| Oct 6, 2003 | $30.40 | $29.75 |
| Oct 3, 2003 | $30.37 | $29.14 |
| Oct 2, 2003 | $29.83 | $28.90 |
| Oct 1, 2003 | $29.43 | $27.98 |
Prices peaked at $32.01 on Oct 10, 2003, then fell to $28.67 on Oct 30, 2003 and ended at $29.24. The largest one-day move was +$1.37 on Oct 9, 2003 (+4.6%).
Brent averaged $29.61, within a dollar of WTI on average across the 23 dates when both were published.
Adjusted with CPI-U, the October 2003 average equals $55.26 in September 2026 dollars.
October 2003 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $30.34 | $29.61 |
| Change vs September 2003 | +$2.03 | +$2.50 |
| Change vs October 2002 | +$1.50 | +$2.07 |
| Highest daily price | $32.01 Oct 10, 2003 | $31.45 Oct 14, 2003 |
| Lowest daily price | $28.67 Oct 30, 2003 | $27.47 Oct 30, 2003 |
| Published daily observations | 23 | 23 |
| Average in September 2026 dollars (CPI-U) | $55.26 | $53.93 |
Monthly averages are EIA's published figures. Real figures use CPI-U for October 2003.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Oct 1, 2003 – Oct 31, 2003 | Oct 31, 2003 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Oct 1, 2003 – Oct 31, 2003 | Oct 31, 2003 |
| 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:2003 daily prices (CSV)