| Geyser | 1981-10-29 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1981-10-29 |
|---|---|
| Astronomical Twilight Begin | 05:19 |
| Nautical Twilight Begin | 05:52 |
| Civil Twilight Begin | 06:27 |
| Sunrise | 06:57 |
| Sunset | 17:17 |
| Civil Twilight End | 17:47 |
| Nautical Twilight End | 18:21 |
| Astronomical Twilight End | 18:54 |
| Moon Illumination | 1.91% |