| Geyser | 1990-01-10 |
|---|---|
| Minute | 1457 |
| Vixen | 1455 A |
| Values for Old Faithful Area | 1990-01-10 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:58 |
| Sunset | 17:03 |
| Civil Twilight End | 17:36 |
| Nautical Twilight End | 18:12 |
| Astronomical Twilight End | 18:47 |
| Moon Illumination | 98.9% |