| Geyser | 1988-06-22 |
|---|---|
| Arsenic | 2035 |
| Constant | 2030 |
| Echinus | 0940, 1039 maj, 1225, 1255 |
| Fireball | 0820 |
| Steamvalve Spring | 0900, 1358, 1800 |
| Whirligig | 1800 |
| Values for Old Faithful Area | 1988-06-22 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:38 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 48.34% |