| Geyser | 1948-06-11 |
|---|---|
| Morning | 1002 |
| Values for Old Faithful Area | 1948-06-11 |
|---|---|
| Astronomical Twilight Begin | 02:11 |
| Nautical Twilight Begin | 03:13 |
| Civil Twilight Begin | 04:01 |
| Sunrise | 04:38 |
| Sunset | 20:07 |
| Civil Twilight End | 20:44 |
| Nautical Twilight End | 21:32 |
| Astronomical Twilight End | 22:34 |
| Moon Illumination | 18.34% |