| Geyser | 2000-03-01 |
|---|---|
| Great Fountain | 0938 E, 1930 E |
| Values for Old Faithful Area | 2000-03-01 |
|---|---|
| Astronomical Twilight Begin | 05:22 |
| Nautical Twilight Begin | 05:56 |
| Civil Twilight Begin | 06:30 |
| Sunrise | 06:59 |
| Sunset | 18:11 |
| Civil Twilight End | 18:40 |
| Nautical Twilight End | 19:14 |
| Astronomical Twilight End | 19:48 |
| Moon Illumination | 22.25% |