| Geyser | 1988-07-16 |
|---|---|
| Echinus | 1020, 1115, 1218, 1325, 1426 maj, 1549, 1627 |
| Steamvalve Spring | 1141 |
| Values for Old Faithful Area | 1988-07-16 |
|---|---|
| Astronomical Twilight Begin | 03:38 |
| Nautical Twilight Begin | 04:33 |
| Civil Twilight Begin | 05:19 |
| Sunrise | 05:54 |
| Sunset | 21:04 |
| Civil Twilight End | 21:39 |
| Nautical Twilight End | 22:25 |
| Astronomical Twilight End | 23:20 |
| Moon Illumination | 5.07% |