| Geyser | 1965-08-10 |
|---|---|
| Ebony | 1537 |
| Echinus | 0613, 0713, 0813, 0910, 1007, 1103, 1207, 1305, 1405, 1504, 1601 |
| Ledge | 0800-1530 |
| Little Whirligig | 0825 ie, 1427 ie, 1557, 1720 ns |
| Steamboat | 0905 |
| Values for Old Faithful Area | 1965-08-10 |
|---|---|
| Astronomical Twilight Begin | 04:24 |
| Nautical Twilight Begin | 05:08 |
| Civil Twilight Begin | 05:48 |
| Sunrise | 06:20 |
| Sunset | 20:36 |
| Civil Twilight End | 21:08 |
| Nautical Twilight End | 21:48 |
| Astronomical Twilight End | 22:32 |
| Moon Illumination | 96.07% |