| Geyser | 1979-09-05 |
|---|---|
| Bear Den | 1220 ie |
| Constant | 1258 |
| Echinus | 0912 A, 1035 maj, 1511 |
| Fireball | 1255, 1648 |
| Little Whirligig | 1220 ie, 1305, 1411 |
| Whirligig | 1115 ie |
| Values for Old Faithful Area | 1979-09-05 |
|---|---|
| Astronomical Twilight Begin | 05:07 |
| Nautical Twilight Begin | 05:45 |
| Civil Twilight Begin | 06:20 |
| Sunrise | 06:50 |
| Sunset | 19:53 |
| Civil Twilight End | 20:23 |
| Nautical Twilight End | 20:59 |
| Astronomical Twilight End | 21:36 |
| Moon Illumination | 97.75% |