| Geyser | 1931-06-09 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-06-09 |
|---|---|
| Astronomical Twilight Begin | 02:13 |
| Nautical Twilight Begin | 03:14 |
| Civil Twilight Begin | 04:02 |
| Sunrise | 04:38 |
| Sunset | 20:05 |
| Civil Twilight End | 20:42 |
| Nautical Twilight End | 21:30 |
| Astronomical Twilight End | 22:31 |
| Moon Illumination | 40.45% |