| Geyser | 2000-02-26 |
|---|---|
| Grand | 0217 E, 1517 E |
| Great Fountain | 0134 E, 1000 E, 2008 E |
| Values for Old Faithful Area | 2000-02-26 |
|---|---|
| Astronomical Twilight Begin | 05:29 |
| Nautical Twilight Begin | 06:03 |
| Civil Twilight Begin | 06:36 |
| Sunrise | 07:06 |
| Sunset | 18:06 |
| Civil Twilight End | 18:35 |
| Nautical Twilight End | 19:09 |
| Astronomical Twilight End | 19:42 |
| Moon Illumination | 58.47% |