| Geyser | 1963-05-13 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1963-05-13 |
|---|---|
| Astronomical Twilight Begin | 02:53 |
| Nautical Twilight Begin | 03:42 |
| Civil Twilight Begin | 04:24 |
| Sunrise | 04:58 |
| Sunset | 19:40 |
| Civil Twilight End | 20:14 |
| Nautical Twilight End | 20:56 |
| Astronomical Twilight End | 21:45 |
| Moon Illumination | 81.5% |