Oil Prices in June 1999: WTI & Brent Daily Prices and Monthly Average
At $17.92 per barrel, June 1999's WTI average was the highest monthly average in nominal terms since December 1997, up $0.20 (1.1%) from May 1999. The average was 31% above the $13.72 of June 1998.
Daily spot prices, June 1999
Chart data table (22 rows; WTI on 22, Brent on 22)
| Period | WTI | Brent |
|---|---|---|
| Jun 30, 1999 | $19.33 | $16.97 |
| Jun 29, 1999 | $18.56 | $16.38 |
| Jun 28, 1999 | $18.22 | $16.27 |
| Jun 25, 1999 | $18.17 | $16.27 |
| Jun 24, 1999 | $18.26 | $16.28 |
| Jun 23, 1999 | $18.42 | $16.04 |
| Jun 22, 1999 | $17.62 | $15.91 |
| Jun 21, 1999 | $17.79 | $15.64 |
| Jun 18, 1999 | $18.01 | $15.93 |
| Jun 17, 1999 | $18.25 | $16.00 |
| Jun 16, 1999 | $17.92 | $16.29 |
| Jun 15, 1999 | $18.61 | $16.33 |
| Jun 14, 1999 | $18.24 | $16.05 |
| Jun 11, 1999 | $18.45 | $16.25 |
| Jun 10, 1999 | $17.82 | $15.99 |
| Jun 9, 1999 | $17.98 | $16.19 |
| Jun 8, 1999 | $17.66 | $16.25 |
| Jun 7, 1999 | $17.91 | $15.98 |
| Jun 4, 1999 | $17.36 | $15.21 |
| Jun 3, 1999 | $16.81 | $14.26 |
| Jun 2, 1999 | $16.61 | $14.28 |
| Jun 1, 1999 | $16.31 | $14.22 |
Prices rose over the month, from $16.31 on Jun 1, 1999 to $19.33 on Jun 30, 1999. The largest one-day move was +$0.80 on Jun 23, 1999 (+4.5%).
Brent averaged $15.86, on matched dates $2.06 below WTI on average across 22 dates.
Among the 41 June averages EIA has published, 1999's ranks 5th lowest. Within 1999 it ranks 6th lowest of the 12 monthly averages. In October 2026 dollars (CPI-U), the average equals $36.39 and the high of $19.33 equals $39.25.
June 1999 summary
| Measure | WTI | Brent |
|---|---|---|
| Monthly average | $17.92 | $15.86 |
| Change vs May 1999 | +$0.20 | +$0.63 |
| Change vs June 1998 | +$4.20 | +$3.65 |
| Highest daily price | $19.33 Jun 30, 1999 | $16.97 Jun 30, 1999 |
| Lowest daily price | $16.31 Jun 1, 1999 | $14.22 Jun 1, 1999 |
| Published daily observations | 22 | 22 |
| Average in October 2026 dollars (CPI-U) | $36.39 | $32.21 |
Monthly averages are EIA's published figures. Real figures use CPI-U for June 1999.
June in other years
| Year | WTI average | vs June 1999 | Real |
|---|---|---|---|
| 2026 | $84.81 | +373.3% | $85.71 |
| 2025 | $68.17 | +280.4% | $71.33 |
| 2024 | $79.77 | +345.1% | $85.70 |
| 2023 | $70.25 | +292.0% | $77.71 |
| 2022 | $114.84 | +540.8% | $130.81 |
| 2021 | $71.38 | +298.3% | $88.67 |
| 2020 | $38.31 | +113.8% | $50.16 |
| 2019 | $54.66 | +205.0% | $72.02 |
| 2018 | $67.87 | +278.7% | $90.90 |
| 2017 | $45.18 | +152.1% | $62.25 |
| 2016 | $48.76 | +172.1% | $68.28 |
| 2015 | $59.82 | +233.8% | $84.60 |
| 2014 | $105.79 | +490.3% | $149.81 |
| 2013 | $95.77 | +434.4% | $138.43 |
| 2012 | $82.30 | +359.3% | $121.04 |
| 2011 | $96.26 | +437.2% | $143.93 |
| 2010 | $75.34 | +320.4% | $116.66 |
| 2009 | $69.64 | +288.6% | $108.97 |
| 2008 | $133.88 | +647.1% | $206.50 |
| 2007 | $67.49 | +276.6% | $109.33 |
| 2006 | $70.95 | +295.9% | $118.02 |
| 2005 | $56.35 | +214.5% | $97.78 |
| 2004 | $38.03 | +112.2% | $67.66 |
| 2003 | $30.66 | +71.1% | $56.33 |
| 2002 | $25.52 | +42.4% | $47.88 |
| 2001 | $27.60 | +54.0% | $52.33 |
| 2000 | $31.82 | +77.6% | $62.29 |
| 1999 | $17.92 | — | $36.39 |
| 1998 | $13.72 | −23.4% | $28.41 |
| 1997 | $19.26 | +7.5% | $40.55 |
| 1996 | $20.42 | +14.0% | $43.98 |
| 1995 | $18.45 | +3.0% | $40.83 |
| 1994 | $19.06 | +6.4% | $43.47 |
| 1993 | $19.09 | +6.5% | $44.62 |
| 1992 | $22.39 | +24.9% | $53.90 |
| 1991 | $20.19 | +12.7% | $50.11 |
| 1990 | $16.70 | −6.8% | $43.39 |
| 1989 | $20.05 | +11.9% | $54.53 |
| 1988 | $16.53 | −7.8% | $47.28 |
| 1987 | $20.07 | +12.0% | $59.68 |
| 1986 | $13.43 | −25.1% | $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 1999.
Source and methodology
| Provider | Series | Units | Coverage | Latest observation |
|---|---|---|---|---|
| U.S. Energy Information Administration | RWTC — WTI spot price FOB (daily, monthly) | $/bbl | Jun 1, 1999 – Jun 30, 1999 | Jun 30, 1999 |
| U.S. Energy Information Administration | RBRTE — Brent spot price FOB (daily, monthly) | $/bbl | Jun 1, 1999 – Jun 30, 1999 | Jun 30, 1999 |
| 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:1999 daily prices (CSV)