| Geyser | 1963-10-10 |
|---|---|
| Giantess | 0000 A |
| Values for Old Faithful Area | 1963-10-10 |
|---|---|
| Astronomical Twilight Begin | 04:55 |
| Nautical Twilight Begin | 05:28 |
| Civil Twilight Begin | 06:02 |
| Sunrise | 06:31 |
| Sunset | 17:49 |
| Civil Twilight End | 18:18 |
| Nautical Twilight End | 18:51 |
| Astronomical Twilight End | 19:25 |
| Moon Illumination | 44.88% |