| Geyser | 1971-03-03 |
|---|---|
| Old Faithful | 1010 long, 1230 |
| Values for Old Faithful Area | 1971-03-03 |
|---|---|
| Astronomical Twilight Begin | 05:21 |
| Nautical Twilight Begin | 05:54 |
| Civil Twilight Begin | 06:28 |
| Sunrise | 06:57 |
| Sunset | 18:13 |
| Civil Twilight End | 18:42 |
| Nautical Twilight End | 19:15 |
| Astronomical Twilight End | 19:49 |
| Moon Illumination | 41.41% |