| Geyser | 1991-06-09 |
|---|---|
| Corporal | 1200 |
| Echinus | 0915 ie |
| Giantess | 0753 |
| Scummy Pool | 0903 |
| Valentine | 0900 ie |
| Veteran | 1200 |
| Values for Old Faithful Area | 1991-06-09 |
|---|---|
| Astronomical Twilight Begin | 03:13 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:38 |
| Sunset | 21:06 |
| Civil Twilight End | 21:42 |
| Nautical Twilight End | 22:30 |
| Astronomical Twilight End | 23:31 |
| Moon Illumination | 14.84% |