| Geyser | 1978-03-26 |
|---|---|
| Africa | 1200, 1800 |
| Blue | 0900 ie |
| Echinus | 1829 |
| Little Whirligig | 0910 |
| Steamboat | 1200 |
| Whirligig | 0915 |
| Values for Old Faithful Area | 1978-03-26 |
|---|---|
| Astronomical Twilight Begin | 04:36 |
| Nautical Twilight Begin | 05:11 |
| Civil Twilight Begin | 05:46 |
| Sunrise | 06:15 |
| Sunset | 18:42 |
| Civil Twilight End | 19:11 |
| Nautical Twilight End | 19:46 |
| Astronomical Twilight End | 20:21 |
| Moon Illumination | 96.93% |