| Geyser | 1989-01-16 |
|---|---|
| Minute | 1800 |
| Porkchop | 1800 |
| Values for Old Faithful Area | 1989-01-16 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:47 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:55 |
| Sunset | 17:11 |
| Civil Twilight End | 17:43 |
| Nautical Twilight End | 18:19 |
| Astronomical Twilight End | 18:53 |
| Moon Illumination | 68.72% |