| Geyser | 1980-08-26 |
|---|---|
| Echinus | 1041, 1106, 1411, 1453:15 |
| Guardian | 1608 ie |
| Valentine | 1628 |
| Whirligig | 1130, 1330, 1646 |
| Values for Old Faithful Area | 1980-08-26 |
|---|---|
| Astronomical Twilight Begin | 04:52 |
| Nautical Twilight Begin | 05:32 |
| Civil Twilight Begin | 06:09 |
| Sunrise | 06:39 |
| Sunset | 20:10 |
| Civil Twilight End | 20:40 |
| Nautical Twilight End | 21:17 |
| Astronomical Twilight End | 21:56 |
| Moon Illumination | 99.99% |