| Geyser | 1982-08-17 |
|---|---|
| Bear Den | 2106 |
| Echinus | 0857, 0929, 1000, 1030, 1104, 1136, 1207, 1243 |
| Whirligig | 1946 ie |
| Values for Old Faithful Area | 1982-08-17 |
|---|---|
| Astronomical Twilight Begin | 04:36 |
| Nautical Twilight Begin | 05:18 |
| Civil Twilight Begin | 05:57 |
| Sunrise | 06:28 |
| Sunset | 20:26 |
| Civil Twilight End | 20:57 |
| Nautical Twilight End | 21:35 |
| Astronomical Twilight End | 22:17 |
| Moon Illumination | 4.94% |