| Geyser | 1983-03-12 |
|---|---|
| Giantess | 1558 |
| Values for Old Faithful Area | 1983-03-12 |
|---|---|
| Astronomical Twilight Begin | 05:04 |
| Nautical Twilight Begin | 05:38 |
| Civil Twilight Begin | 06:12 |
| Sunrise | 06:41 |
| Sunset | 18:24 |
| Civil Twilight End | 18:53 |
| Nautical Twilight End | 19:27 |
| Astronomical Twilight End | 20:01 |
| Moon Illumination | 5.7% |