| Geyser | 1989-08-17 |
|---|---|
| Arsenic | 1000 |
| Constant | 1000 |
| Echinus | 0920, 1015 maj, 1155, 1232, 1315, 1405, 1530 |
| Fireball | 1000 |
| Values for Old Faithful Area | 1989-08-17 |
|---|---|
| Astronomical Twilight Begin | 04:37 |
| Nautical Twilight Begin | 05:19 |
| Civil Twilight Begin | 05:57 |
| Sunrise | 06:28 |
| Sunset | 20:25 |
| Civil Twilight End | 20:56 |
| Nautical Twilight End | 21:35 |
| Astronomical Twilight End | 22:17 |
| Moon Illumination | 99.98% |