| Geyser | 1988-08-07 |
|---|---|
| Blue | 1800 |
| Constant | 1500 |
| Dark Cavern | 1404 |
| Echinus | 1020, 1114 min, 1323, 1420 min, 1431, 1530 min, 1540, 1650 maj |
| Giantess | 0858 |
| Steamvalve Spring | 0930, 1537 |
| Values for Old Faithful Area | 1988-08-07 |
|---|---|
| Astronomical Twilight Begin | 04:19 |
| Nautical Twilight Begin | 05:04 |
| Civil Twilight Begin | 05:45 |
| Sunrise | 06:17 |
| Sunset | 20:40 |
| Civil Twilight End | 21:12 |
| Nautical Twilight End | 21:53 |
| Astronomical Twilight End | 22:38 |
| Moon Illumination | 24.83% |