| Geyser | 1967-06-29 |
|---|---|
| Arsenic | 0915, 1715 |
| Bear Den | 1215, 1630 |
| Cistern Spring | 0800 |
| Dark Cavern | 1615 |
| Ebony | 1010, 2256 |
| Echinus | 0835, 0925, 1016, 1106, 1155, 1335, 1427, 1517, 1608, 1752 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1967-06-29 |
|---|---|
| Astronomical Twilight Begin | 03:13 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:04 |
| Sunrise | 05:41 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:39 |
| Moon Illumination | 55.15% |