| Geyser | 1968-06-06 |
|---|---|
| Cistern Spring | 1345, 1800 |
| Ebony | 1515 |
| Echinus | 1723, 1800 |
| Little Whirligig | 1500-1530, 1530 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1968-06-06 |
|---|---|
| Astronomical Twilight Begin | 03:15 |
| Nautical Twilight Begin | 04:15 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:39 |
| Sunset | 21:04 |
| Civil Twilight End | 21:40 |
| Nautical Twilight End | 22:28 |
| Astronomical Twilight End | 23:28 |
| Moon Illumination | 72.01% |