| Geyser | 1950-09-06 |
|---|---|
| Giant | 1950 |
| Values for Old Faithful Area | 1950-09-06 |
|---|---|
| Astronomical Twilight Begin | 04:09 |
| Nautical Twilight Begin | 04:46 |
| Civil Twilight Begin | 05:21 |
| Sunrise | 05:51 |
| Sunset | 18:51 |
| Civil Twilight End | 19:21 |
| Nautical Twilight End | 19:57 |
| Astronomical Twilight End | 20:34 |
| Moon Illumination | 33.82% |