| Geyser | 1968-07-15 |
|---|---|
| Ebony | 0000 A |
| Echinus | 0848, 1043, 1121, 1355 |
| Fan-Norris | 1700, 1740 |
| Ledge | 0745, 1945 |
| Little Whirligig | 1215 |
| Veteran | 0925 |
| Values for Old Faithful Area | 1968-07-15 |
|---|---|
| Astronomical Twilight Begin | 03:36 |
| Nautical Twilight Begin | 04:32 |
| Civil Twilight Begin | 05:17 |
| Sunrise | 05:53 |
| Sunset | 21:05 |
| Civil Twilight End | 21:40 |
| Nautical Twilight End | 22:26 |
| Astronomical Twilight End | 23:22 |
| Moon Illumination | 70.65% |