| Geyser | 1971-04-24 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1971-04-24 |
|---|---|
| Astronomical Twilight Begin | 03:33 |
| Nautical Twilight Begin | 04:15 |
| Civil Twilight Begin | 04:53 |
| Sunrise | 05:24 |
| Sunset | 19:18 |
| Civil Twilight End | 19:49 |
| Nautical Twilight End | 20:27 |
| Astronomical Twilight End | 21:09 |
| Moon Illumination | 1.13% |