| Geyser | 1982-08-22 |
|---|---|
| Arsenic | 1441 ie |
| Bear Den | 1435 |
| Blue | 1530 |
| Echinus | 0808, 0847, 0921, 0952, 1027, 1100, 1138, 1210 |
| Morning | 0448 |
| Whirligig | 1400, 1508 |
| Values for Old Faithful Area | 1982-08-22 |
|---|---|
| Astronomical Twilight Begin | 04:45 |
| Nautical Twilight Begin | 05:26 |
| Civil Twilight Begin | 06:03 |
| Sunrise | 06:34 |
| Sunset | 20:17 |
| Civil Twilight End | 20:48 |
| Nautical Twilight End | 21:26 |
| Astronomical Twilight End | 22:06 |
| Moon Illumination | 12.48% |