| Geyser | 1978-02-01 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1978-02-01 |
|---|---|
| Astronomical Twilight Begin | 06:01 |
| Nautical Twilight Begin | 06:36 |
| Civil Twilight Begin | 07:10 |
| Sunrise | 07:41 |
| Sunset | 17:32 |
| Civil Twilight End | 18:03 |
| Nautical Twilight End | 18:37 |
| Astronomical Twilight End | 19:11 |
| Moon Illumination | 46.53% |