| Geyser | 1969-10-25 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1969-10-25 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:47 |
| Civil Twilight Begin | 07:21 |
| Sunrise | 07:51 |
| Sunset | 18:23 |
| Civil Twilight End | 18:52 |
| Nautical Twilight End | 19:26 |
| Astronomical Twilight End | 20:00 |
| Moon Illumination | 99.99% |