| Geyser | 1967-07-11 |
|---|---|
| Constant | 1630, 1645, 1700, 1715 |
| Corporal | 0930 |
| Echinus | 0840, 0930, 1022, 1440, 1533, 1626 |
| Pearl | 0910 ie |
| Pinwheel | 1200 |
| Values for Old Faithful Area | 1967-07-11 |
|---|---|
| Astronomical Twilight Begin | 03:28 |
| Nautical Twilight Begin | 04:26 |
| Civil Twilight Begin | 05:13 |
| Sunrise | 05:49 |
| Sunset | 21:08 |
| Civil Twilight End | 21:44 |
| Nautical Twilight End | 22:30 |
| Astronomical Twilight End | 23:28 |
| Moon Illumination | 14.75% |