| Geyser | 1990-08-17 |
|---|---|
| Echinus | 0915, 1032, 1130, 1238 maj, 1450, 1550 |
| Fireball | 1409 ie |
| Palpitator Spring | 1200 |
| Values for Old Faithful Area | 1990-08-17 |
|---|---|
| Astronomical Twilight Begin | 04:36 |
| Nautical Twilight Begin | 05:18 |
| Civil Twilight Begin | 05:57 |
| Sunrise | 06:28 |
| Sunset | 20:26 |
| Civil Twilight End | 20:57 |
| Nautical Twilight End | 21:35 |
| Astronomical Twilight End | 22:17 |
| Moon Illumination | 13.22% |