| Geyser | 1982-08-16 |
|---|---|
| Bear Den | 1605 ie, 1828, 2102 |
| Echinus | 0910 min, 0918, 0950 min, 0956, 1027 min, 1035 |
| Values for Old Faithful Area | 1982-08-16 |
|---|---|
| Astronomical Twilight Begin | 04:34 |
| Nautical Twilight Begin | 05:17 |
| Civil Twilight Begin | 05:55 |
| Sunrise | 06:27 |
| Sunset | 20:27 |
| Civil Twilight End | 20:59 |
| Nautical Twilight End | 21:37 |
| Astronomical Twilight End | 22:20 |
| Moon Illumination | 11.45% |