| Geyser | 1931-04-25 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-04-25 |
|---|---|
| Astronomical Twilight Begin | 03:32 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 04:52 |
| Sunrise | 05:23 |
| Sunset | 19:19 |
| Civil Twilight End | 19:50 |
| Nautical Twilight End | 20:28 |
| Astronomical Twilight End | 21:10 |
| Moon Illumination | 46.89% |