| Geyser | 1978-08-24 |
|---|---|
| Bear Den | 1007 |
| Cistern Spring | 1800 |
| Dark Cavern | 1015 |
| Echinus | 1122, 1250, 1408 |
| Little Whirligig | 1230, 1350 |
| Splutter Pot | 1010 |
| Steamboat | 0730-1030 |
| Veteran | 0900 maj |
| Whirligig | 1010 |
| Values for Old Faithful Area | 1978-08-24 |
|---|---|
| Astronomical Twilight Begin | 04:48 |
| Nautical Twilight Begin | 05:28 |
| Civil Twilight Begin | 06:06 |
| Sunrise | 06:36 |
| Sunset | 20:14 |
| Civil Twilight End | 20:45 |
| Nautical Twilight End | 21:22 |
| Astronomical Twilight End | 22:02 |
| Moon Illumination | 62.54% |