| Geyser | 1966-08-07 |
|---|---|
| Blue | 1545 |
| Ebony | 0815 |
| Echinus | 0838, 0936, 1035, 1133, 1230, 1328, 1425, 1522, 1619 |
| Ledge | 0700 ns |
| Steamboat | 1800 |
| Valentine | 1000 |
| Values for Old Faithful Area | 1966-08-07 |
|---|---|
| Astronomical Twilight Begin | 04:18 |
| Nautical Twilight Begin | 05:03 |
| Civil Twilight Begin | 05:44 |
| Sunrise | 06:16 |
| Sunset | 20:41 |
| Civil Twilight End | 21:13 |
| Nautical Twilight End | 21:54 |
| Astronomical Twilight End | 22:39 |
| Moon Illumination | 71.61% |