| Geyser | 1968-06-12 |
|---|---|
| Constant | 1617 |
| Ebony | 0000 A |
| Echinus | 0846, 1012, 1055, 1148 |
| Ledge | 0812 |
| Valentine | 0000 A |
| Values for Old Faithful Area | 1968-06-12 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:08 |
| Civil Twilight End | 21:44 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:35 |
| Moon Illumination | 97% |