| Geyser | 1949-09-20 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1949-09-20 |
|---|---|
| Astronomical Twilight Begin | 04:29 |
| Nautical Twilight Begin | 05:04 |
| Civil Twilight Begin | 05:39 |
| Sunrise | 06:08 |
| Sunset | 18:25 |
| Civil Twilight End | 18:54 |
| Nautical Twilight End | 19:28 |
| Astronomical Twilight End | 20:03 |
| Moon Illumination | 7.23% |