| Geyser | 1974-06-12 |
|---|---|
| Bear Den | 0902 |
| Echinus | 0810, 1005, 1112, 1234, 1355, 1520, 1637 |
| Ledge | 0844, 2133 |
| Rubble | 1610 |
| Values for Old Faithful Area | 1974-06-12 |
|---|---|
| Astronomical Twilight Begin | 03:11 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:38 |
| Sunset | 21:08 |
| Civil Twilight End | 21:44 |
| Nautical Twilight End | 22:32 |
| Astronomical Twilight End | 23:34 |
| Moon Illumination | 58% |