| Geyser | 1968-08-30 |
|---|---|
| Ebony | 0000 A, 1620 |
| Echinus | 0733, 0840, 1045, 1241 |
| Fan-Norris | 1715 |
| Ledge | 0000 A |
| Little Whirligig | 1720 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1968-08-30 |
|---|---|
| Astronomical Twilight Begin | 04:59 |
| Nautical Twilight Begin | 05:37 |
| Civil Twilight Begin | 06:14 |
| Sunrise | 06:44 |
| Sunset | 20:03 |
| Civil Twilight End | 20:33 |
| Nautical Twilight End | 21:09 |
| Astronomical Twilight End | 21:48 |
| Moon Illumination | 41.73% |