| Geyser | 1991-06-29 |
|---|---|
| Echinus | 0930, 1055, 1155 min, 1205, 1255 min, 1312 maj, 1457, 1530, 1617, 1751 maj |
| Minute | 1020 |
| Steamboat | 1200 |
| Steamvalve Spring | 1200 |
| Vixen | 1020, 1228, 1339 |
| Values for Old Faithful Area | 1991-06-29 |
|---|---|
| Astronomical Twilight Begin | 03:14 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:04 |
| Sunrise | 05:41 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:39 |
| Moon Illumination | 95.97% |