| Geyser | 1961-04-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-04-27 |
|---|---|
| Astronomical Twilight Begin | 03:26 |
| Nautical Twilight Begin | 04:09 |
| Civil Twilight Begin | 04:47 |
| Sunrise | 05:19 |
| Sunset | 19:22 |
| Civil Twilight End | 19:53 |
| Nautical Twilight End | 20:32 |
| Astronomical Twilight End | 21:15 |
| Moon Illumination | 87.29% |