| Geyser | 1971-01-19 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1971-01-19 |
|---|---|
| Astronomical Twilight Begin | 06:11 |
| Nautical Twilight Begin | 06:46 |
| Civil Twilight Begin | 07:22 |
| Sunrise | 07:53 |
| Sunset | 17:14 |
| Civil Twilight End | 17:46 |
| Nautical Twilight End | 18:21 |
| Astronomical Twilight End | 18:56 |
| Moon Illumination | 54.35% |