| Geyser | 1989-07-19 |
|---|---|
| Constant | 1030, 1119, 1410 |
| Echinus | 0850 |
| Fireball | 1200 |
| Giantess | 0051 |
| Vixen | 1451 |
| Whirligig | 1500 |
| Values for Old Faithful Area | 1989-07-19 |
|---|---|
| Astronomical Twilight Begin | 03:43 |
| Nautical Twilight Begin | 04:37 |
| Civil Twilight Begin | 05:22 |
| Sunrise | 05:56 |
| Sunset | 21:02 |
| Civil Twilight End | 21:37 |
| Nautical Twilight End | 22:21 |
| Astronomical Twilight End | 23:15 |
| Moon Illumination | 99.68% |