| Geyser | 1990-06-08 |
|---|---|
| Cistern Spring | 1740 |
| Echinus | 1000, 1122, 1242 maj, 1508 |
| Steamboat | 1740 |
| Values for Old Faithful Area | 1990-06-08 |
|---|---|
| Astronomical Twilight Begin | 03:13 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:38 |
| Sunset | 21:05 |
| Civil Twilight End | 21:42 |
| Nautical Twilight End | 22:29 |
| Astronomical Twilight End | 23:30 |
| Moon Illumination | 99.96% |