| Geyser | 1938-08-05 |
|---|---|
| King | 1000, 1600 |
| Values for Old Faithful Area | 1938-08-05 |
|---|---|
| Astronomical Twilight Begin | 03:13 |
| Nautical Twilight Begin | 04:00 |
| Civil Twilight Begin | 04:41 |
| Sunrise | 05:14 |
| Sunset | 19:44 |
| Civil Twilight End | 20:17 |
| Nautical Twilight End | 20:58 |
| Astronomical Twilight End | 21:44 |
| Moon Illumination | 70.9% |