| Geyser | 1978-06-02 |
|---|---|
| Constant | 1524, 1548 |
| Echinus | 0907, 1013, 1113, 1215, 1527, 1630 |
| Whirligig | 1546, 1612 |
| Values for Old Faithful Area | 1978-06-02 |
|---|---|
| Astronomical Twilight Begin | 03:20 |
| Nautical Twilight Begin | 04:18 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:41 |
| Sunset | 21:01 |
| Civil Twilight End | 21:37 |
| Nautical Twilight End | 22:23 |
| Astronomical Twilight End | 23:22 |
| Moon Illumination | 11.83% |