| Geyser | 1979-09-22 |
|---|---|
| Africa | 1800 |
| Blue | 1800 |
| Cistern Spring | 1200 |
| Constant | 1800 |
| Echinus | 1204 maj, 1617, 1800 |
| Fan-Norris | 1200 |
| Fireball | 1800 |
| Ledge | 1200 |
| Steamboat | 1200 |
| Whirligig | 1416, 1800 |
| Values for Old Faithful Area | 1979-09-22 |
|---|---|
| Astronomical Twilight Begin | 05:32 |
| Nautical Twilight Begin | 06:07 |
| Civil Twilight Begin | 06:41 |
| Sunrise | 07:10 |
| Sunset | 19:22 |
| Civil Twilight End | 19:51 |
| Nautical Twilight End | 20:25 |
| Astronomical Twilight End | 21:00 |
| Moon Illumination | 0.66% |