| Geyser | 1966-06-13 |
|---|---|
| Blue | 0917 ie |
| Ebony | 1145 |
| Echinus | 0825, 0945, 1108, 1351, 1517, 1640 |
| Ledge | 0920 min, 1125 min |
| Steamboat | 0815 |
| Values for Old Faithful Area | 1966-06-13 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:08 |
| Civil Twilight End | 21:45 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:35 |
| Moon Illumination | 30.97% |