| Geyser | 1961-09-16 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-09-16 |
|---|---|
| Astronomical Twilight Begin | 04:24 |
| Nautical Twilight Begin | 04:59 |
| Civil Twilight Begin | 05:34 |
| Sunrise | 06:03 |
| Sunset | 18:32 |
| Civil Twilight End | 19:01 |
| Nautical Twilight End | 19:36 |
| Astronomical Twilight End | 20:11 |
| Moon Illumination | 33.51% |