| Geyser | 1980-09-29 |
|---|---|
| Blue | 1200 |
| Constant | 1200 |
| Echinus | 1154, 1421, 1446 |
| Giantess | 0209 |
| Little Whirligig | 1343 |
| Pinwheel | 1200 |
| Whirligig | 1353, 1649 |
| Values for Old Faithful Area | 1980-09-29 |
|---|---|
| Astronomical Twilight Begin | 05:42 |
| Nautical Twilight Begin | 06:16 |
| Civil Twilight Begin | 06:50 |
| Sunrise | 07:19 |
| Sunset | 19:07 |
| Civil Twilight End | 19:36 |
| Nautical Twilight End | 20:10 |
| Astronomical Twilight End | 20:44 |
| Moon Illumination | 70.41% |