| Geyser | 1949-08-26 |
|---|---|
| Ledge | 0800 ie |
| Values for Old Faithful Area | 1949-08-26 |
|---|---|
| Astronomical Twilight Begin | 03:52 |
| Nautical Twilight Begin | 04:31 |
| Civil Twilight Begin | 05:08 |
| Sunrise | 05:38 |
| Sunset | 19:11 |
| Civil Twilight End | 19:41 |
| Nautical Twilight End | 20:18 |
| Astronomical Twilight End | 20:58 |
| Moon Illumination | 6.48% |