| Geyser | 1984-10-26 |
|---|---|
| Arsenic | 1112 |
| Dark Cavern | 1030 |
| Fireball | 1112 |
| Values for Old Faithful Area | 1984-10-26 |
|---|---|
| Astronomical Twilight Begin | 06:15 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:53 |
| Sunset | 18:21 |
| Civil Twilight End | 18:50 |
| Nautical Twilight End | 19:24 |
| Astronomical Twilight End | 19:58 |
| Moon Illumination | 4.37% |