| Geyser | 1978-06-29 |
|---|---|
| Echinus | 0918, 1026, 1140, 1405 |
| Little Whirligig | 0835 |
| Values for Old Faithful Area | 1978-06-29 |
|---|---|
| Astronomical Twilight Begin | 03:14 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:04 |
| Sunrise | 05:41 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:39 |
| Moon Illumination | 32.06% |