| Geyser | 1971-04-08 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1971-04-08 |
|---|---|
| Astronomical Twilight Begin | 04:09 |
| Nautical Twilight Begin | 04:46 |
| Civil Twilight Begin | 05:22 |
| Sunrise | 05:52 |
| Sunset | 18:58 |
| Civil Twilight End | 19:28 |
| Nautical Twilight End | 20:03 |
| Astronomical Twilight End | 20:41 |
| Moon Illumination | 94.24% |