| Geyser | 1981-10-22 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1981-10-22 |
|---|---|
| Astronomical Twilight Begin | 06:10 |
| Nautical Twilight Begin | 06:44 |
| Civil Twilight Begin | 07:18 |
| Sunrise | 07:47 |
| Sunset | 18:27 |
| Civil Twilight End | 18:57 |
| Nautical Twilight End | 19:31 |
| Astronomical Twilight End | 20:04 |
| Moon Illumination | 28.3% |