| Geyser | 1967-08-14 |
|---|---|
| Crater Spring | 1800 |
| Echinus | 0845, 0937, 1030, 1114, 1358, 1447, 1624 |
| Tantalus | 1800 |
| Values for Old Faithful Area | 1967-08-14 |
|---|---|
| Astronomical Twilight Begin | 04:30 |
| Nautical Twilight Begin | 05:13 |
| Civil Twilight Begin | 05:52 |
| Sunrise | 06:24 |
| Sunset | 20:31 |
| Civil Twilight End | 21:03 |
| Nautical Twilight End | 21:42 |
| Astronomical Twilight End | 22:25 |
| Moon Illumination | 65.46% |