| Geyser | 1988-08-29 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1988-08-29 |
|---|---|
| Astronomical Twilight Begin | 04:57 |
| Nautical Twilight Begin | 05:36 |
| Civil Twilight Begin | 06:13 |
| Sunrise | 06:43 |
| Sunset | 20:04 |
| Civil Twilight End | 20:35 |
| Nautical Twilight End | 21:11 |
| Astronomical Twilight End | 21:50 |
| Moon Illumination | 95.11% |