| Geyser | 1988-07-11 |
|---|---|
| Echinus | 0955, 1150, 1247 min, 1257, 1357 maj, 2115 |
| Steamvalve Spring | 0910, 1407 |
| Values for Old Faithful Area | 1988-07-11 |
|---|---|
| Astronomical Twilight Begin | 03:30 |
| Nautical Twilight Begin | 04:27 |
| Civil Twilight Begin | 05:14 |
| Sunrise | 05:49 |
| Sunset | 21:07 |
| Civil Twilight End | 21:43 |
| Nautical Twilight End | 22:29 |
| Astronomical Twilight End | 23:27 |
| Moon Illumination | 7.14% |