| Date | Conventional Regular Gasoline, New York Harbor | Conventional Regular Gasoline, U.S. Gulf Coast | Conventional Regular Gasoline, Los Angeles | Conventional Regular Gasoline, Rotterdam (ARA) 10 ppm sulfur | Conventional Regular Gasoline, Singapore | Conventional Regular Gasoline, Rotterdam (ARA) 50 ppm sulfur |
| 1/2/97 | 69.48 | 67.48 | 76.50 | NA | 59.17 | |
| 1/3/97 | 69.07 | 67.57 | 77.25 | NA | 62.93 | 58.34 |
| 1/6/97 | 71.03 | 70.23 | 78.50 | NA | 62.93 | 58.90 |
| 1/7/97 | 70.48 | 69.73 | 78.75 | NA | 65.48 | 59.17 |
| 1/8/97 | 70.32 | 69.82 | 77.25 | NA | 65.48 | 59.31 |
| 1/9/97 | 68.63 | 68.13 | 77.00 | NA | 65.95 | 59.17 |
| 1/10/97 | 68.23 | 67.48 | 76.50 | NA | 65.48 | 58.62 |
| 1/13/97 | 65.73 | 65.48 | 76.50 | NA | 65.48 | 58.62 |
| 1/14/97 | 64.78 | 63.93 | 74.50 | NA | 62.74 | 57.50 |
| 1/15/97 | 66.13 | 65.73 | 75.00 | NA | 62.74 | 57.08 |
| 1/16/97 | 66.32 | 66.07 | 74.50 | NA | 63.10 | 57.36 |
| 1/17/97 | 65.82 | 65.73 | 74.50 | NA | 63.10 | 57.36 |
| 1/20/97 | 64.93 | 65.82 | 74.50 | NA | 61.43 | 57.36 |
| 1/21/97 | 65.68 | 67.23 | 74.00 | NA | 61.31 | 57.78 |
| 1/22/97 | 66.82 | 68.07 | 77.38 | NA | 60.36 | 58.34 |
| 1/23/97 | 67.53 | 65.68 | 77.38 | NA | 59.29 | 59.45 |
| 1/24/97 | 66.88 | 66.07 | 77.25 | NA | 60.12 | 58.34 |
| 1/27/97 | 66.73 | 66.28 | 75.75 | NA | 60.24 | 58.06 |
| 1/28/97 | 65.93 | 65.63 | 76.50 | NA | 60.24 | 59.04 |
| 1/29/97 | 67.13 | 68.43 | 76.50 | NA | 61.79 | 57.73 |
| 1/30/97 | 68.93 | 67.78 | 76.50 | NA | 63.33 | 60.01 |
| 1/31/97 | 66.82 | 65.73 | 75.50 | NA | 64.88 | 60.01 |
| 2/3/97 | 67.23 | 65.82 | 75.50 | NA | 64.40 | 59.45 |
| 2/4/97 | 66.93 | 66.57 | 74.50 | NA | 64.40 | 59.73 |
| 2/5/97 | 65.68 | 66.03 | 74.50 | NA | 64.40 | 59.87 |
| 2/6/97 | 63.43 | 63.33 | 73.50 | NA | 64.29 | 58.90 |
| 2/7/97 | 61.43 | 61.33 | 73.50 | NA | 57.78 | |
| 2/10/97 | 61.68 | 62.08 | 71.50 | NA | 55.55 | |
| 2/11/97 | 62.43 | 62.93 | 71.50 | NA | 64.29 | 56.94 |
| 2/12/97 | 61.53 | 61.88 | 70.50 | NA | 66.07 | 57.50 |
| 2/13/97 | 61.78 | 61.98 | 70.25 | NA | 66.07 | 55.55 |
| 2/14/97 | 62.88 | 61.88 | 70.25 | NA | 65.00 | 55.55 |
| 2/17/97 | NA | 66.55 | 56.38 | |||
| 2/18/97 | 62.88 | 62.28 | 68.75 | NA | 66.55 | 56.38 |
| 2/19/97 | 63.33 | 62.58 | 67.50 | NA | 66.07 | 55.83 |
| 2/20/97 | 61.18 | 59.95 | 67.50 | NA | 64.76 | 55.55 |
| 2/21/97 | 60.78 | 60.63 | 67.50 | NA | 64.05 | 54.57 |
| 2/24/97 | 58.88 | 58.48 | 66.50 | NA | 63.33 | 54.85 |
| 2/25/97 | 61.13 | 60.33 | 68.25 | NA | 65.00 | 54.71 |
| 2/26/97 | 61.03 | 60.33 | 68.25 | NA | 65.24 | 55.55 |
| 2/27/97 | 61.28 | 59.93 | 70.00 | NA | 66.19 | 55.27 |
| 2/28/97 | 60.13 | 59.08 | 70.00 | NA | 66.98 | 54.85 |
| 3/3/97 | 59.48 | 57.48 | 68.50 | NA | 67.14 | 54.29 |
| 3/4/97 | 60.63 | 59.38 | 71.50 | NA | 68.10 | 54.57 |
| 3/5/97 | 60.98 | 59.98 | 71.50 | NA | 68.10 | 54.99 |
| 3/6/97 | 61.63 | 60.63 | 72.50 | NA | 68.45 | 55.13 |
| 3/7/97 | 63.03 | 61.78 | 72.50 | NA | 69.05 | 56.10 |
| 3/10/97 | 61.98 | 60.63 | 71.00 | NA | 69.29 | 56.10 |
| 3/11/97 | 60.83 | 59.48 | 71.50 | NA | 69.29 | 54.71 |
| 3/12/97 | 61.28 | 60.53 | 72.50 | NA | 69.29 | 54.71 |
| 3/13/97 | 60.88 | 60.48 | 73.50 | NA | 69.05 | 55.55 |
| 3/14/97 | 61.78 | 61.98 | 74.50 | NA | 68.21 | 55.69 |
| 3/17/97 | 61.38 | 61.63 | 74.50 | NA | 68.29 | 56.66 |
| 3/18/97 | 62.63 | 63.88 | 77.00 | NA | 68.29 | 56.94 |
| 3/19/97 | 63.08 | 63.68 | 78.00 | NA | 68.29 | 57.78 |
| 3/20/97 | 62.73 | 63.98 | 78.50 | NA | 67.74 | 58.20 |
| 3/21/97 | 62.53 | 64.03 | 80.50 | NA | 67.74 | 57.50 |
| 3/24/97 | 60.63 | 63.23 | 80.25 | NA | 67.74 | 57.08 |
| 3/25/97 | 60.63 | 62.98 | 82.50 | NA | 66.86 | 57.50 |
| 3/26/97 | 59.68 | 61.18 | 82.50 | NA | 67.57 | 55.83 |
| 3/27/97 | 58.90 | 61.03 | 82.50 | NA | 67.57 | 54.57 |
| 3/31/97 | 60.83 | 60.08 | 79.50 | NA | 64.52 | 54.57 |
| 4/1/97 | 60.28 | 59.28 | 77.50 | NA | 65.24 | 54.29 |
| 4/2/97 | 58.23 | 57.23 | 68.50 | NA | 65.71 | 53.31 |
| 4/3/97 | 57.65 | 58.03 | 67.50 | NA | 65.24 | 52.20 |
| 4/4/97 | 57.28 | 58.13 | 65.50 | NA | 64.64 | 52.20 |
| 4/7/97 | 57.33 | 60.23 | 67.00 | NA | 62.93 | 51.08 |
| 4/8/97 | 58.53 | 59.53 | 67.00 | NA | 61.43 | 51.08 |
| 4/9/97 | 57.98 | 58.03 | 65.00 | NA | 60.95 | 51.64 |
| 4/10/97 | 58.43 | 58.58 | 66.00 | NA | 60.48 | 51.22 |
| 4/11/97 | 58.28 | 58.38 | 65.50 | NA | 60.48 | 51.22 |
| 4/14/97 | 59.08 | 59.08 | 67.00 | NA | 59.52 | 51.50 |
| 4/15/97 | 59.03 | 59.03 | 67.00 | NA | 59.05 | 51.08 |
| 4/16/97 | 57.53 | 58.28 | 65.50 | NA | 58.33 | 51.08 |
| 4/17/97 | 57.83 | 58.08 | 65.00 | NA | 57.14 | 50.80 |
| 4/18/97 | 58.53 | 58.63 | 66.00 | NA | 51.08 | |
| 4/21/97 | 59.68 | 59.43 | 66.50 | NA | 56.26 | 51.64 |
| 4/22/97 | 58.63 | 58.03 | 65.50 | NA | 56.55 | 52.48 |
| 4/23/97 | 58.13 | 58.13 | 66.50 | NA | 57.14 | 52.48 |
| 4/24/97 | 59.48 | 59.23 | 66.50 | NA | 57.14 | 52.75 |
| 4/25/97 | 58.88 | 57.78 | 66.50 | NA | 57.14 | 52.75 |
| 4/28/97 | 59.98 | 57.18 | 65.50 | NA | 57.02 | 53.03 |
| 4/29/97 | 60.48 | 58.23 | 65.50 | NA | 57.02 | 53.45 |
| 4/30/97 | 61.03 | 58.53 | 64.00 | NA | 57.02 | 53.45 |
| 5/1/97 | 61.53 | 58.78 | 64.00 | NA | 53.17 | |
| 5/2/97 | 59.23 | 56.53 | 62.00 | NA | 56.79 | 52.75 |
| 5/5/97 | 56.68 | 56.68 | 61.50 | NA | 57.74 | 52.06 |
| 5/6/97 | 57.93 | 56.43 | 61.00 | NA | 57.98 | 51.50 |
| 5/7/97 | 58.38 | 57.48 | 59.50 | NA | 57.98 | 51.64 |
| 5/8/97 | 61.23 | 59.13 | 60.50 | NA | 57.98 | 51.64 |
| 5/9/97 | 61.68 | 59.28 | 61.00 | NA | 57.98 | 52.48 |
| 5/12/97 | 62.98 | 60.73 | 62.00 | NA | 57.98 | 53.31 |
| 5/13/97 | 63.38 | 61.28 | 60.50 | NA | 57.98 | 53.73 |
| 5/14/97 | 62.68 | 60.28 | 60.50 | NA | 57.98 | 53.73 |
| 5/15/97 | 62.33 | 59.93 | 60.50 | NA | 58.21 | 54.43 |
| 5/16/97 | 63.98 | 62.13 | 60.50 | NA | 58.21 | 54.71 |
| 5/19/97 | 63.08 | 61.68 | 60.00 | NA | 58.21 | 55.83 |
| 5/20/97 | 63.28 | 63.83 | 58.75 | NA | 57.50 | 55.55 |
| 5/21/97 | 64.43 | 63.68 | 59.50 | NA | 55.55 | |
| 5/22/97 | 64.73 | 65.23 | 60.75 | NA | 57.74 | 56.10 |
| 5/23/97 | 64.68 | 64.78 | 61.50 | NA | 57.50 | 56.10 |
| 5/27/97 | 63.03 | 62.38 | 60.50 | NA | 56.98 | 54.71 |
| 5/28/97 | 63.43 | 63.43 | 60.50 | NA | 56.55 | 54.43 |
| 5/29/97 | 62.40 | 61.88 | 59.50 | NA | 57.38 | 54.99 |
| 5/30/97 | 61.08 | 61.38 | 60.50 | NA | 57.38 | 55.55 |
| 6/2/97 | 61.38 | 61.48 | 59.50 | NA | 57.38 | 55.83 |
| 6/3/97 | 59.58 | 59.73 | 60.50 | NA | 57.38 | 55.27 |
| 6/4/97 | 58.28 | 58.78 | 58.50 | NA | 56.31 | 54.43 |
| 6/5/97 | 57.68 | 58.68 | 57.00 | NA | 57.38 | 54.99 |
| 6/6/97 | 55.03 | 56.28 | 56.00 | NA | 57.38 | 53.03 |
| 6/9/97 | 53.83 | 54.58 | 56.00 | NA | 57.38 | 51.36 |
| 6/10/97 | 54.03 | 54.78 | 54.25 | NA | 55.95 | 51.36 |
| 6/11/97 | 54.08 | 55.18 | 53.50 | NA | 55.95 | 51.78 |
| 6/12/97 | 54.63 | 54.73 | 53.50 | NA | 55.95 | 51.78 |
| 6/13/97 | 54.78 | 54.58 | 52.00 | NA | 55.95 | 51.92 |
| 6/16/97 | 55.43 | 54.93 | 52.00 | NA | 57.98 | 51.92 |
| 6/17/97 | 55.88 | 54.38 | 51.00 | NA | 57.98 | 51.92 |
| 6/18/97 | 54.03 | 53.43 | 51.50 | NA | 57.98 | 50.24 |
| 6/19/97 | 53.33 | 52.48 | 51.50 | NA | 57.50 | 50.24 |
| 6/20/97 | 52.48 | 52.38 | 51.50 | NA | 57.50 | 50.24 |
| 6/23/97 | 52.53 | 52.28 | 52.50 | NA | 57.50 | 50.52 |
| 6/24/97 | 52.83 | 52.13 | 51.50 | NA | 57.02 | 49.82 |
| 6/25/97 | 54.08 | 54.03 | 52.50 | NA | 56.79 | 48.85 |
| 6/26/97 | 53.83 | 54.33 | 52.50 | NA | 55.83 | 48.85 |
| 6/27/97 | 54.93 | 54.83 | 52.50 | NA | 55.00 | 49.27 |
| 6/30/97 | 55.10 | 55.58 | 54.50 | NA | 55.83 | 49.82 |
| 7/1/97 | 55.68 | 57.18 | 55.00 | NA | 55.83 | 50.24 |
| 7/2/97 | 56.68 | 57.43 | 53.50 | NA | 55.83 | 50.24 |
| 7/3/97 | 55.53 | 56.03 | 53.50 | NA | 55.83 | 50.38 |
| 7/4/97 | NA | 55.00 | 50.10 | |||
| 7/7/97 | 55.58 | 56.83 | 53.00 | NA | 54.52 | 49.82 |
| 7/8/97 | 56.78 | 57.88 | 51.50 | NA | 54.76 | 50.10 |
| 7/9/97 | 56.25 | 58.13 | 51.50 | NA | 54.76 | 49.68 |
| 7/10/97 | 56.98 | 59.23 | 51.25 | NA | 54.76 | 49.13 |
| 7/11/97 | 57.38 | 59.88 | 52.50 | NA | 54.76 | 49.41 |
| 7/14/97 | 56.10 | 57.63 | 52.50 | NA | 55.24 | 48.99 |
| 7/15/97 | 58.13 | 60.03 | 54.00 | NA | 55.24 | 49.41 |
| 7/16/97 | 58.43 | 59.53 | 55.25 | NA | 55.36 | 49.13 |
| 7/17/97 | 59.73 | 59.85 | 56.50 | NA | 55.36 | 49.55 |
| 7/18/97 | 57.53 | 57.53 | 56.50 | NA | 55.36 | 48.57 |
| 7/21/97 | 56.63 | 57.38 | 55.50 | NA | 55.07 | 49.82 |
| 7/22/97 | 57.13 | 57.38 | 55.50 | NA | 55.07 | 51.08 |
| 7/23/97 | 56.93 | 58.18 | 55.50 | NA | 55.07 | 51.78 |
| 7/24/97 | 57.18 | 58.58 | 57.63 | NA | 55.36 | 52.34 |
| 7/25/97 | 60.13 | 59.88 | 58.50 | NA | 55.67 | 53.45 |
| 7/28/97 | 61.08 | 61.08 | 59.50 | NA | 53.93 | 53.31 |
| 7/29/97 | 65.05 | 63.58 | 61.50 | NA | 56.67 | 53.31 |
| 7/30/97 | 68.18 | 64.43 | 63.50 | NA |