| Geyser | 1974-07-07 |
|---|---|
| Abuse Spring | 0000 A |
| Ebony | 0914 ie, 1458 |
| Echinus | 0932, 1104, 1530, 1655 |
| Ledge | 1302, 1800 |
| Valentine | 0910 |
| Whirligig | 1800 |
| Values for Old Faithful Area | 1974-07-07 |
|---|---|
| Astronomical Twilight Begin | 03:23 |
| Nautical Twilight Begin | 04:22 |
| Civil Twilight Begin | 05:10 |
| Sunrise | 05:46 |
| Sunset | 21:10 |
| Civil Twilight End | 21:46 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:33 |
| Moon Illumination | 93.36% |