| Geyser | 1982-04-29 |
|---|---|
| Giantess | 1115 |
| Values for Old Faithful Area | 1982-04-29 |
|---|---|
| Astronomical Twilight Begin | 04:22 |
| Nautical Twilight Begin | 05:05 |
| Civil Twilight Begin | 05:44 |
| Sunrise | 06:16 |
| Sunset | 20:24 |
| Civil Twilight End | 20:56 |
| Nautical Twilight End | 21:35 |
| Astronomical Twilight End | 22:18 |
| Moon Illumination | 36% |