| Geyser | 1989-07-11 |
|---|---|
| Arsenic | 1324 ie |
| Blue | 1300 |
| Colloidal Pool | 1200 |
| Constant | 1626 |
| Fan-Norris | 1520 ie |
| Valentine | 1402 ie |
| Whirligig | 1549 min |
| Values for Old Faithful Area | 1989-07-11 |
|---|---|
| Astronomical Twilight Begin | 03:29 |
| Nautical Twilight Begin | 04:27 |
| Civil Twilight Begin | 05:13 |
| Sunrise | 05:49 |
| Sunset | 21:07 |
| Civil Twilight End | 21:43 |
| Nautical Twilight End | 22:30 |
| Astronomical Twilight End | 23:27 |
| Moon Illumination | 52.33% |