| Geyser | 1963-05-18 |
|---|---|
| Giantess | 0000 A |
| Values for Old Faithful Area | 1963-05-18 |
|---|---|
| Astronomical Twilight Begin | 02:44 |
| Nautical Twilight Begin | 03:35 |
| Civil Twilight Begin | 04:18 |
| Sunrise | 04:52 |
| Sunset | 19:46 |
| Civil Twilight End | 20:20 |
| Nautical Twilight End | 21:03 |
| Astronomical Twilight End | 21:55 |
| Moon Illumination | 31.14% |