| Geyser | 1963-10-20 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1963-10-20 |
|---|---|
| Astronomical Twilight Begin | 05:07 |
| Nautical Twilight Begin | 05:41 |
| Civil Twilight Begin | 06:14 |
| Sunrise | 06:44 |
| Sunset | 17:32 |
| Civil Twilight End | 18:01 |
| Nautical Twilight End | 18:35 |
| Astronomical Twilight End | 19:08 |
| Moon Illumination | 6.75% |