| Geyser | 1961-10-25 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-10-25 |
|---|---|
| Astronomical Twilight Begin | 05:14 |
| Nautical Twilight Begin | 05:47 |
| Civil Twilight Begin | 06:21 |
| Sunrise | 06:51 |
| Sunset | 17:23 |
| Civil Twilight End | 17:53 |
| Nautical Twilight End | 18:27 |
| Astronomical Twilight End | 19:00 |
| Moon Illumination | 97.42% |