| Geyser | 1961-05-20 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-05-20 |
|---|---|
| Astronomical Twilight Begin | 02:39 |
| Nautical Twilight Begin | 03:32 |
| Civil Twilight Begin | 04:16 |
| Sunrise | 04:50 |
| Sunset | 19:49 |
| Civil Twilight End | 20:23 |
| Nautical Twilight End | 21:07 |
| Astronomical Twilight End | 21:59 |
| Moon Illumination | 28.14% |