| Geyser | 1966-06-29 |
|---|---|
| Arsenic | 1445 ie |
| Ebony | 1039 |
| Echinus | 0837, 0940, 1042, 1143, 1246, 1350, 1558, 1705 |
| Fireball | 1445 ie |
| Ledge | 0800, 1955 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1966-06-29 |
|---|---|
| Astronomical Twilight Begin | 03:14 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:04 |
| Sunrise | 05:41 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:39 |
| Moon Illumination | 86.6% |