| Geyser | 1967-06-24 |
|---|---|
| Arsenic | 1640 |
| Bear Den | 1739 |
| Blue | 1625 |
| Constant | 1537, 1627, 1641 |
| Echinus | 0815 A, 0900, 0952, 1042, 1134, 1226, 1317, 1406, 1503, 1558, 1645 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1967-06-24 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:39 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 94.83% |