| Geyser | 1939-09-26 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1939-09-26 |
|---|---|
| Astronomical Twilight Begin | 04:37 |
| Nautical Twilight Begin | 05:11 |
| Civil Twilight Begin | 05:45 |
| Sunrise | 06:14 |
| Sunset | 18:15 |
| Civil Twilight End | 18:44 |
| Nautical Twilight End | 19:18 |
| Astronomical Twilight End | 19:52 |
| Moon Illumination | 95.1% |