| Geyser | 1988-06-16 |
|---|---|
| Echinus | 1015, 1108, 1225, 1320, 1530, 1638 maj |
| Fireball | 1623 |
| Steamvalve Spring | 1340, 1405, 1810 |
| Values for Old Faithful Area | 1988-06-16 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 04:12 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:10 |
| Civil Twilight End | 21:46 |
| Nautical Twilight End | 22:35 |
| Astronomical Twilight End | 23:38 |
| Moon Illumination | 3.6% |