| Geyser | 1951-09-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1951-09-27 |
|---|---|
| Astronomical Twilight Begin | 04:38 |
| Nautical Twilight Begin | 05:12 |
| Civil Twilight Begin | 05:46 |
| Sunrise | 06:15 |
| Sunset | 18:13 |
| Civil Twilight End | 18:42 |
| Nautical Twilight End | 19:15 |
| Astronomical Twilight End | 19:50 |
| Moon Illumination | 14.6% |