| Geyser | 2000-01-08 |
|---|---|
| Giant | 0000 |
| Grand | 0059 E, 1005 E, 2108 E |
| Great Fountain | 0632 E, 1842 E |
| Values for Old Faithful Area | 2000-01-08 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:58 |
| Sunset | 17:00 |
| Civil Twilight End | 17:33 |
| Nautical Twilight End | 18:10 |
| Astronomical Twilight End | 18:45 |
| Moon Illumination | 2.12% |