| Geyser | 1974-09-05 |
|---|---|
| Congress Pool | 1800 |
| Echinus | 1010, 1130, 1253, 1412, 1533, 1553 |
| Ledge | 1800 |
| Little Whirligig | 0910, 1134 |
| Whirligig | 1152 |
| Values for Old Faithful Area | 1974-09-05 |
|---|---|
| Astronomical Twilight Begin | 05:07 |
| Nautical Twilight Begin | 05:45 |
| Civil Twilight Begin | 06:20 |
| Sunrise | 06:50 |
| Sunset | 19:53 |
| Civil Twilight End | 20:23 |
| Nautical Twilight End | 20:58 |
| Astronomical Twilight End | 21:35 |
| Moon Illumination | 88.98% |