| Geyser | 1982-07-01 |
|---|---|
| Crater Spring | 1200 |
| Giantess | 1455 |
| Morning | 0152 |
| Values for Old Faithful Area | 1982-07-01 |
|---|---|
| Astronomical Twilight Begin | 03:16 |
| Nautical Twilight Begin | 04:17 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:42 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:38 |
| Moon Illumination | 78.32% |