| Geyser | 1990-07-18 |
|---|---|
| Echinus | 0845 maj, 1225, 1507, 1648 |
| Fireball | 1116 |
| Incline | 1631, 2138, 2200, 2243, 2310 |
| Minute | 1215 |
| Vixen | 1800 |
| Whirligig | 1020, 1648 |
| Values for Old Faithful Area | 1990-07-18 |
|---|---|
| Astronomical Twilight Begin | 03:41 |
| Nautical Twilight Begin | 04:35 |
| Civil Twilight Begin | 05:20 |
| Sunrise | 05:55 |
| Sunset | 21:03 |
| Civil Twilight End | 21:38 |
| Nautical Twilight End | 22:23 |
| Astronomical Twilight End | 23:17 |
| Moon Illumination | 19.86% |