| Geyser | 1979-06-22 |
|---|---|
| Arsenic | 1550 |
| Constant | 1355 |
| Dark Cavern | 1425 ie |
| Echinus | 0934 ie, 1432, 1545 |
| Little Whirligig | 1345, 1540 A |
| Values for Old Faithful Area | 1979-06-22 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:38 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 5.32% |