| Geyser | 2005-12-11 |
|---|---|
| Great Fountain | 1148 E, 2136 E |
| Lone Pine | 1812 E |
| Old Faithful | 0021 E, 0158 E, 0329 E, 0505 E, 0635 E, 0804 E, 0943 E, 1110 E, 1235 E, 1401 E, 1525 E, 1707 E, 1832 E, 2009 E, 2149 E, 2320 E |
| Values for Old Faithful Area | 2005-12-11 |
|---|---|
| Astronomical Twilight Begin | 06:04 |
| Nautical Twilight Begin | 06:39 |
| Civil Twilight Begin | 07:16 |
| Sunrise | 07:49 |
| Sunset | 16:43 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 80% |