| Geyser | 1968-07-10 |
|---|---|
| Arsenic | 1240 |
| Bear Den | 1045 A |
| Ebony | 1045 A |
| Echinus | 0715, 0835, 0955, 1036, 1115, 1135, 1345 |
| Fan-Norris | 1740 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1968-07-10 |
|---|---|
| Astronomical Twilight Begin | 03:28 |
| Nautical Twilight Begin | 04:26 |
| Civil Twilight Begin | 05:13 |
| Sunrise | 05:48 |
| Sunset | 21:08 |
| Civil Twilight End | 21:44 |
| Nautical Twilight End | 22:30 |
| Astronomical Twilight End | 23:29 |
| Moon Illumination | 99.98% |