| Geyser | 1989-06-18 |
|---|---|
| Arsenic | 1010 ie |
| Basin | 1600 |
| Constant | 1056, 1157 |
| Echinus | 0950, 1048 min, 1200 maj, 1344, 1409, 1546 |
| Fan-Norris | 1120 ie |
| Hurricane Vent | 1125, 1128, 1131, 1134 |
| Pearl | 1132 |
| Vixen | 1647 |
| Values for Old Faithful Area | 1989-06-18 |
|---|---|
| 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 | 98.81% |