| Geyser | 1961-08-19 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-08-19 |
|---|---|
| Astronomical Twilight Begin | 03:40 |
| Nautical Twilight Begin | 04:21 |
| Civil Twilight Begin | 04:59 |
| Sunrise | 05:30 |
| Sunset | 19:22 |
| Civil Twilight End | 19:53 |
| Nautical Twilight End | 20:31 |
| Astronomical Twilight End | 21:13 |
| Moon Illumination | 48.34% |