| Geyser | 1997-12-03 |
|---|---|
| Castle | 0805 E, 1920 E |
| Fan and Mortar | 1213 E |
| Giant | 2352 |
| Values for Old Faithful Area | 1997-12-03 |
|---|---|
| Astronomical Twilight Begin | 05:57 |
| Nautical Twilight Begin | 06:32 |
| Civil Twilight Begin | 07:09 |
| Sunrise | 07:42 |
| Sunset | 16:44 |
| Civil Twilight End | 17:17 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 11.19% |