| Geyser | 1980-08-14 |
|---|---|
| Echinus | 1040, 1417, 1614 |
| Little Whirligig | 0900, 0930 ie |
| Values for Old Faithful Area | 1980-08-14 |
|---|---|
| Astronomical Twilight Begin | 04:32 |
| Nautical Twilight Begin | 05:15 |
| Civil Twilight Begin | 05:54 |
| Sunrise | 06:25 |
| Sunset | 20:30 |
| Civil Twilight End | 21:01 |
| Nautical Twilight End | 21:40 |
| Astronomical Twilight End | 22:23 |
| Moon Illumination | 11.06% |