| Geyser | 1968-07-11 |
|---|---|
| Ebony | 0000 A, 1540 |
| Echinus | 0740, 0850 |
| Ledge | 0000 A, 1940 |
| Little Whirligig | 1510 |
| Valentine | 1200 |
| Values for Old Faithful Area | 1968-07-11 |
|---|---|
| Astronomical Twilight Begin | 03:29 |
| Nautical Twilight Begin | 04:27 |
| Civil Twilight Begin | 05:13 |
| Sunrise | 05:49 |
| Sunset | 21:07 |
| Civil Twilight End | 21:43 |
| Nautical Twilight End | 22:30 |
| Astronomical Twilight End | 23:27 |
| Moon Illumination | 98.26% |