| Geyser | 1989-09-25 |
|---|---|
| Arsenic | 1452 |
| Constant | 1328 |
| Echinus | 1048 maj, 1215, 1253, 1355, 1420, 1520, 1624 |
| Fireball | 1043, 1235, 1437, 1635 |
| Whirligig | 1010, 1101, 1145, 1210, 1233, 1323, 1434, 1545, 1633 |
| Values for Old Faithful Area | 1989-09-25 |
|---|---|
| Astronomical Twilight Begin | 05:36 |
| Nautical Twilight Begin | 06:11 |
| Civil Twilight Begin | 06:45 |
| Sunrise | 07:14 |
| Sunset | 19:15 |
| Civil Twilight End | 19:44 |
| Nautical Twilight End | 20:18 |
| Astronomical Twilight End | 20:52 |
| Moon Illumination | 19.36% |