| Geyser | 1988-08-09 |
|---|---|
| Arsenic | 1110 |
| Dark Cavern | 1454 |
| Echinus | 1005, 1107, 1210, 1320 maj, 1520 |
| Fireball | 1003 |
| Splutter Pot | 1415, 1428, 1432, 1453 |
| Steamvalve Spring | 1112, 1550 |
| Values for Old Faithful Area | 1988-08-09 |
|---|---|
| Astronomical Twilight Begin | 04:23 |
| Nautical Twilight Begin | 05:07 |
| Civil Twilight Begin | 05:47 |
| Sunrise | 06:19 |
| Sunset | 20:37 |
| Civil Twilight End | 21:09 |
| Nautical Twilight End | 21:49 |
| Astronomical Twilight End | 22:34 |
| Moon Illumination | 9.87% |