| Geyser | 1974-08-23 |
|---|---|
| Cistern Spring | 1200 |
| Congress Pool | 1800 |
| Constant | 1236 |
| Echinus | 0932, 1040, 1152, 1302, 1412, 1522, 1632, 1743 |
| Ledge | 0925 |
| Orby | 1200, 1800 |
| Pinto | 1208 |
| Vixen | 1020 maj |
| Values for Old Faithful Area | 1974-08-23 |
|---|---|
| Astronomical Twilight Begin | 04:46 |
| Nautical Twilight Begin | 05:27 |
| Civil Twilight Begin | 06:04 |
| Sunrise | 06:35 |
| Sunset | 20:16 |
| Civil Twilight End | 20:47 |
| Nautical Twilight End | 21:24 |
| Astronomical Twilight End | 22:04 |
| Moon Illumination | 35.59% |