| Geyser | 1974-07-12 |
|---|---|
| Abuse Spring | 0000 A |
| Constant | 1130 |
| Echinus | 0830, 0945, 1115, 1250, 1428, 1600, 1735 |
| Ledge | 0645, 2015 |
| Values for Old Faithful Area | 1974-07-12 |
|---|---|
| Astronomical Twilight Begin | 03:30 |
| Nautical Twilight Begin | 04:28 |
| Civil Twilight Begin | 05:14 |
| Sunrise | 05:50 |
| Sunset | 21:07 |
| Civil Twilight End | 21:43 |
| Nautical Twilight End | 22:29 |
| Astronomical Twilight End | 23:27 |
| Moon Illumination | 54.09% |