| Geyser | 1938-05-30 |
|---|---|
| Giantess | 0330 A |
| Values for Old Faithful Area | 1938-05-30 |
|---|---|
| Astronomical Twilight Begin | 02:24 |
| Nautical Twilight Begin | 03:21 |
| Civil Twilight Begin | 04:07 |
| Sunrise | 04:42 |
| Sunset | 19:58 |
| Civil Twilight End | 20:33 |
| Nautical Twilight End | 21:20 |
| Astronomical Twilight End | 22:17 |
| Moon Illumination | 0.77% |