| Geyser | 1978-08-29 |
|---|---|
| Cistern Spring | 1100, 1500 |
| Echinus | 0744, 0906, 1030 |
| Palpitator Spring | 1200 |
| Veteran | 0830 ie |
| Whirligig | 0855 |
| Values for Old Faithful Area | 1978-08-29 |
|---|---|
| Astronomical Twilight Begin | 04:57 |
| Nautical Twilight Begin | 05:35 |
| Civil Twilight Begin | 06:12 |
| Sunrise | 06:42 |
| Sunset | 20:05 |
| Civil Twilight End | 20:36 |
| Nautical Twilight End | 21:12 |
| Astronomical Twilight End | 21:51 |
| Moon Illumination | 17.16% |