| Geyser | 1931-02-13 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-02-13 |
|---|---|
| Astronomical Twilight Begin | 05:49 |
| Nautical Twilight Begin | 06:22 |
| Civil Twilight Begin | 06:57 |
| Sunrise | 07:27 |
| Sunset | 17:48 |
| Civil Twilight End | 18:18 |
| Nautical Twilight End | 18:52 |
| Astronomical Twilight End | 19:26 |
| Moon Illumination | 16.07% |