| Geyser | 1975-10-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1975-10-27 |
|---|---|
| Astronomical Twilight Begin | 05:16 |
| Nautical Twilight Begin | 05:49 |
| Civil Twilight Begin | 06:23 |
| Sunrise | 06:53 |
| Sunset | 17:20 |
| Civil Twilight End | 17:50 |
| Nautical Twilight End | 18:24 |
| Astronomical Twilight End | 18:58 |
| Moon Illumination | 56.81% |