| Geyser | 1990-06-23 |
|---|---|
| Congress Pool | 1200 |
| Constant | 0940 |
| Echinus | 1010 A, 1120, 1235, 1345 maj |
| Hurricane Vent | 1800 |
| Whirligig | 1148 |
| Values for Old Faithful Area | 1990-06-23 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:39 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 0.3% |