| Geyser | 1989-08-21 |
|---|---|
| Constant | 1415 |
| Echinus | 0950, 1045, 1135, 1228 maj, 1405, 1440, 1520, 1604 |
| Fireball | 1211 ie, 1540 |
| Vixen | 1345 |
| Values for Old Faithful Area | 1989-08-21 |
|---|---|
| Astronomical Twilight Begin | 04:44 |
| Nautical Twilight Begin | 05:25 |
| Civil Twilight Begin | 06:02 |
| Sunrise | 06:33 |
| Sunset | 20:19 |
| Civil Twilight End | 20:49 |
| Nautical Twilight End | 21:27 |
| Astronomical Twilight End | 22:08 |
| Moon Illumination | 77.65% |