| Geyser | 1968-06-02 |
|---|---|
| Arch Steam Vent | 0000 |
| Echinus | 1800 |
| Ledge | 0930 |
| Values for Old Faithful Area | 1968-06-02 |
|---|---|
| Astronomical Twilight Begin | 03:19 |
| Nautical Twilight Begin | 04:18 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:40 |
| Sunset | 21:01 |
| Civil Twilight End | 21:37 |
| Nautical Twilight End | 22:24 |
| Astronomical Twilight End | 23:23 |
| Moon Illumination | 30.12% |