| Geyser | 1966-10-28 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1966-10-28 |
|---|---|
| Astronomical Twilight Begin | 06:17 |
| Nautical Twilight Begin | 06:51 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:55 |
| Sunset | 18:19 |
| Civil Twilight End | 18:48 |
| Nautical Twilight End | 19:23 |
| Astronomical Twilight End | 19:56 |
| Moon Illumination | 98.69% |