| Geyser | 1931-05-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-05-27 |
|---|---|
| Astronomical Twilight Begin | 02:29 |
| Nautical Twilight Begin | 03:24 |
| Civil Twilight Begin | 04:09 |
| Sunrise | 04:45 |
| Sunset | 19:55 |
| Civil Twilight End | 20:30 |
| Nautical Twilight End | 21:15 |
| Astronomical Twilight End | 22:11 |
| Moon Illumination | 77.01% |