| Geyser | 1983-01-26 |
|---|---|
| Giantess | 0432 |
| Values for Old Faithful Area | 1983-01-26 |
|---|---|
| Astronomical Twilight Begin | 06:07 |
| Nautical Twilight Begin | 06:41 |
| Civil Twilight Begin | 07:16 |
| Sunrise | 07:48 |
| Sunset | 17:23 |
| Civil Twilight End | 17:54 |
| Nautical Twilight End | 18:30 |
| Astronomical Twilight End | 19:04 |
| Moon Illumination | 89.82% |