| Geyser | 1981-03-08 |
|---|---|
| Giantess | 1119 |
| Values for Old Faithful Area | 1981-03-08 |
|---|---|
| Astronomical Twilight Begin | 05:11 |
| Nautical Twilight Begin | 05:45 |
| Civil Twilight Begin | 06:18 |
| Sunrise | 06:47 |
| Sunset | 18:20 |
| Civil Twilight End | 18:49 |
| Nautical Twilight End | 19:22 |
| Astronomical Twilight End | 19:56 |
| Moon Illumination | 4.89% |