| Geyser | 1961-07-28 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-07-28 |
|---|---|
| Astronomical Twilight Begin | 02:59 |
| Nautical Twilight Begin | 03:49 |
| Civil Twilight Begin | 04:32 |
| Sunrise | 05:05 |
| Sunset | 19:53 |
| Civil Twilight End | 20:27 |
| Nautical Twilight End | 21:10 |
| Astronomical Twilight End | 21:59 |
| Moon Illumination | 99.68% |