| Geyser | 1965-08-28 |
|---|---|
| Ebony | 1757 |
| Echinus | 0907, 1031, 1156, 1321, 1443, 1731 |
| Ledge | 0000 A, 1827 |
| Little Whirligig | 1305 ie |
| Steamboat | 1500 |
| Values for Old Faithful Area | 1965-08-28 |
|---|---|
| Astronomical Twilight Begin | 04:55 |
| Nautical Twilight Begin | 05:34 |
| Civil Twilight Begin | 06:11 |
| Sunrise | 06:41 |
| Sunset | 20:07 |
| Civil Twilight End | 20:37 |
| Nautical Twilight End | 21:14 |
| Astronomical Twilight End | 21:53 |
| Moon Illumination | 3.16% |