| Geyser | 1965-09-12 |
|---|---|
| Cistern Spring | 0800 |
| Ebony | 1614 ie |
| Echinus | 0911, 1026, 1142, 1300, 1533, 1649 |
| Ledge | 1324 |
| Steamboat | 0800-1630 |
| Values for Old Faithful Area | 1965-09-12 |
|---|---|
| Astronomical Twilight Begin | 05:18 |
| Nautical Twilight Begin | 05:54 |
| Civil Twilight Begin | 06:29 |
| Sunrise | 06:58 |
| Sunset | 19:40 |
| Civil Twilight End | 20:09 |
| Nautical Twilight End | 20:44 |
| Astronomical Twilight End | 21:20 |
| Moon Illumination | 98.45% |