| Geyser | 1988-04-06 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1988-04-06 |
|---|---|
| Astronomical Twilight Begin | 05:11 |
| Nautical Twilight Begin | 05:48 |
| Civil Twilight Begin | 06:24 |
| Sunrise | 06:54 |
| Sunset | 19:57 |
| Civil Twilight End | 20:26 |
| Nautical Twilight End | 21:02 |
| Astronomical Twilight End | 21:39 |
| Moon Illumination | 85.13% |