| Geyser | 1967-08-10 |
|---|---|
| Echinus | 0810 A, 0854, 0938, 1020, 1147, 1232, 1355, 1440, 1519, 1605, 1645 |
| Values for Old Faithful Area | 1967-08-10 |
|---|---|
| Astronomical Twilight Begin | 04:23 |
| Nautical Twilight Begin | 05:07 |
| Civil Twilight Begin | 05:47 |
| Sunrise | 06:19 |
| Sunset | 20:37 |
| Civil Twilight End | 21:09 |
| Nautical Twilight End | 21:49 |
| Astronomical Twilight End | 22:34 |
| Moon Illumination | 21.58% |