| Geyser | 1949-08-03 |
|---|---|
| Ebony | 1045 |
| Values for Old Faithful Area | 1949-08-03 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 03:57 |
| Civil Twilight Begin | 04:39 |
| Sunrise | 05:12 |
| Sunset | 19:46 |
| Civil Twilight End | 20:19 |
| Nautical Twilight End | 21:00 |
| Astronomical Twilight End | 21:48 |
| Moon Illumination | 69.23% |