| Geyser | 1988-01-13 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1988-01-13 |
|---|---|
| Astronomical Twilight Begin | 06:13 |
| Nautical Twilight Begin | 06:48 |
| Civil Twilight Begin | 07:24 |
| Sunrise | 07:57 |
| Sunset | 17:06 |
| Civil Twilight End | 17:38 |
| Nautical Twilight End | 18:15 |
| Astronomical Twilight End | 18:49 |
| Moon Illumination | 39.78% |