| Geyser | 1990-08-19 |
|---|---|
| Constant | 1222, 1329 |
| Echinus | 0917, 1028, 1135 maj, 1329, 1434 |
| Fireball | 1320, 1345 |
| Values for Old Faithful Area | 1990-08-19 |
|---|---|
| Astronomical Twilight Begin | 04:40 |
| Nautical Twilight Begin | 05:21 |
| Civil Twilight Begin | 05:59 |
| Sunrise | 06:30 |
| Sunset | 20:22 |
| Civil Twilight End | 20:53 |
| Nautical Twilight End | 21:31 |
| Astronomical Twilight End | 22:13 |
| Moon Illumination | 2.01% |