| Geyser | 2000-02-08 |
|---|---|
| Grand | 0544 E, 1759 E |
| Great Fountain | 0024 E, 0846 E, 1819 E |
| Values for Old Faithful Area | 2000-02-08 |
|---|---|
| Astronomical Twilight Begin | 05:54 |
| Nautical Twilight Begin | 06:28 |
| Civil Twilight Begin | 07:03 |
| Sunrise | 07:33 |
| Sunset | 17:41 |
| Civil Twilight End | 18:11 |
| Nautical Twilight End | 18:46 |
| Astronomical Twilight End | 19:20 |
| Moon Illumination | 7.57% |