| Geyser | 1931-01-08 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-01-08 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 17:00 |
| Civil Twilight End | 17:33 |
| Nautical Twilight End | 18:09 |
| Astronomical Twilight End | 18:45 |
| Moon Illumination | 81.3% |