| Geyser | 1980-07-22 |
|---|---|
| Africa | 1320 A |
| Arsenic | 1315-1330 |
| Echinus | 1028:45, 1425, 1542:05 |
| Fireball | 1320 |
| Little Whirligig | 1320 A |
| Values for Old Faithful Area | 1980-07-22 |
|---|---|
| Astronomical Twilight Begin | 03:49 |
| Nautical Twilight Begin | 04:41 |
| Civil Twilight Begin | 05:25 |
| Sunrise | 05:59 |
| Sunset | 20:59 |
| Civil Twilight End | 21:33 |
| Nautical Twilight End | 22:17 |
| Astronomical Twilight End | 23:10 |
| Moon Illumination | 68.95% |