| Geyser | 1977-11-16 |
|---|---|
| Other Geyser | 1442, 1714 |
| Values for Old Faithful Area | 1977-11-16 |
|---|---|
| Astronomical Twilight Begin | 05:40 |
| Nautical Twilight Begin | 06:14 |
| Civil Twilight Begin | 06:49 |
| Sunrise | 07:21 |
| Sunset | 16:55 |
| Civil Twilight End | 17:26 |
| Nautical Twilight End | 18:01 |
| Astronomical Twilight End | 18:36 |
| Moon Illumination | 32.1% |