| Geyser | 1968-07-16 |
|---|---|
| Bear Den | 1740 |
| Ebony | 0000 A, 1725 |
| Echinus | 0855, 1006, 1113, 1300, 1335, 1407, 1445, 1516 |
| Little Whirligig | 1720 |
| Steamboat | 0800 |
| Veteran | 0943 |
| Yellow Funnel Spring | 1800 |
| Values for Old Faithful Area | 1968-07-16 |
|---|---|
| Astronomical Twilight Begin | 03:38 |
| Nautical Twilight Begin | 04:33 |
| Civil Twilight Begin | 05:18 |
| Sunrise | 05:54 |
| Sunset | 21:04 |
| Civil Twilight End | 21:39 |
| Nautical Twilight End | 22:25 |
| Astronomical Twilight End | 23:20 |
| Moon Illumination | 61.1% |