| Geyser | 1982-06-18 |
|---|---|
| Cistern Spring | 1622 |
| Echinus | 0616, 0655, 0727, 0830, 0903, 0934, 1012, 1104:39, 1148, 1221:19, 1246:42, 1400, 1421, 1806 |
| Values for Old Faithful Area | 1982-06-18 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 04:12 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:38 |
| Sunset | 21:10 |
| Civil Twilight End | 21:47 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:39 |
| Moon Illumination | 15.07% |