| Geyser | 1955-05-12 |
|---|---|
| Colloidal Pool | 1200 |
| Fireball | 1200 |
| Values for Old Faithful Area | 1955-05-12 |
|---|---|
| Astronomical Twilight Begin | 02:56 |
| Nautical Twilight Begin | 03:44 |
| Civil Twilight Begin | 04:26 |
| Sunrise | 04:59 |
| Sunset | 19:39 |
| Civil Twilight End | 20:12 |
| Nautical Twilight End | 20:54 |
| Astronomical Twilight End | 21:43 |
| Moon Illumination | 76.11% |