| Geyser | 1974-06-09 |
|---|---|
| Echinus | 1045, 1337, 1456, 1615 |
| Ledge | 1827 |
| Rediscovered | 1904 |
| Rubble | 1918 |
| Veteran | 1453, 1928 |
| Vixen | 1918 maj |
| Values for Old Faithful Area | 1974-06-09 |
|---|---|
| Astronomical Twilight Begin | 03:13 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:38 |
| Sunset | 21:06 |
| Civil Twilight End | 21:42 |
| Nautical Twilight End | 22:30 |
| Astronomical Twilight End | 23:31 |
| Moon Illumination | 83.43% |