| Geyser | 1966-07-07 |
|---|---|
| Corporal | 1630 A |
| Ebony | 1020, 1345 ? |
| Echinus | 0831, 0931, 1033, 1134, 1234, 1332, 1431, 1529, 1625 |
| Emerald Spring | 1800 |
| Steamboat | 0800 |
| Sunday | 0925 |
| Values for Old Faithful Area | 1966-07-07 |
|---|---|
| Astronomical Twilight Begin | 03:23 |
| Nautical Twilight Begin | 04:22 |
| Civil Twilight Begin | 05:10 |
| Sunrise | 05:46 |
| Sunset | 21:10 |
| Civil Twilight End | 21:46 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:33 |
| Moon Illumination | 82.13% |