| Geyser | 1965-07-28 |
|---|---|
| Blue | 0925 ie, 1755 |
| Echinus | 0848, 1013, 1129, 1250, 1411, 1535, 1653 |
| Ledge | 0000 A |
| Little Whirligig | 1000 ie, 1149 ie, 1445 ie, 1635 ie |
| Values for Old Faithful Area | 1965-07-28 |
|---|---|
| Astronomical Twilight Begin | 03:59 |
| Nautical Twilight Begin | 04:49 |
| Civil Twilight Begin | 05:32 |
| Sunrise | 06:05 |
| Sunset | 20:53 |
| Civil Twilight End | 21:27 |
| Nautical Twilight End | 22:10 |
| Astronomical Twilight End | 22:59 |
| Moon Illumination | 0.08% |