| Geyser | 1991-06-25 |
|---|---|
| Echinus | 1200, 1248, 1429, 1513 maj |
| Fireball | 1212 |
| Ledge Spring | 1500 |
| Whirligig | 1314, 1452 |
| Values for Old Faithful Area | 1991-06-25 |
|---|---|
| Astronomical Twilight Begin | 03:11 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:39 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 96.82% |