| Geyser | 1990-09-15 |
|---|---|
| Constant | 1428 |
| Echinus | 1015 maj, 1210, 1300, 1402, 1504, 1604 |
| Fireball | 1253 ie |
| Incline | 1122, 1444, 1506, 1526 |
| Little Whirligig | 1436, 1459, 1502 |
| Whirligig | 1304, 1458 |
| Values for Old Faithful Area | 1990-09-15 |
|---|---|
| Astronomical Twilight Begin | 05:22 |
| Nautical Twilight Begin | 05:58 |
| Civil Twilight Begin | 06:33 |
| Sunrise | 07:02 |
| Sunset | 19:34 |
| Civil Twilight End | 20:03 |
| Nautical Twilight End | 20:38 |
| Astronomical Twilight End | 21:14 |
| Moon Illumination | 15.6% |