| Geyser | 1974-08-05 |
|---|---|
| Constant | 1150, 1425, 1616 |
| Echinus | 0915, 1034, 1151, 1307, 1430, 1550, 1707 |
| Ledge | 1702 |
| Little Whirligig | 1633 |
| Whirligig | 1639 |
| Values for Old Faithful Area | 1974-08-05 |
|---|---|
| Astronomical Twilight Begin | 04:14 |
| Nautical Twilight Begin | 05:00 |
| Civil Twilight Begin | 05:41 |
| Sunrise | 06:14 |
| Sunset | 20:43 |
| Civil Twilight End | 21:16 |
| Nautical Twilight End | 21:57 |
| Astronomical Twilight End | 22:43 |
| Moon Illumination | 96.07% |