| Geyser | 1949-08-02 |
|---|---|
| Ebony | 1030 |
| Values for Old Faithful Area | 1949-08-02 |
|---|---|
| Astronomical Twilight Begin | 03:08 |
| Nautical Twilight Begin | 03:56 |
| Civil Twilight Begin | 04:38 |
| Sunrise | 05:11 |
| Sunset | 19:47 |
| Civil Twilight End | 20:20 |
| Nautical Twilight End | 21:02 |
| Astronomical Twilight End | 21:50 |
| Moon Illumination | 58.52% |