| Geyser | 1969-06-22 |
|---|---|
| Echinus | 0916, 1015, 1215, 1250, 1330, 1405, 1615 |
| Fan-Norris | 1500 |
| Harding | 1200 |
| Ledge | 0650 |
| Values for Old Faithful Area | 1969-06-22 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:38 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 41.73% |