| Geyser | 1979-09-07 |
|---|---|
| Arsenic | 1536 |
| Constant | 1426, 1532 |
| Echinus | 0936, 1051, 1206 maj |
| Little Whirligig | 1410, 1515 ie |
| Steamboat | 1200 |
| Values for Old Faithful Area | 1979-09-07 |
|---|---|
| Astronomical Twilight Begin | 05:10 |
| Nautical Twilight Begin | 05:47 |
| Civil Twilight Begin | 06:23 |
| Sunrise | 06:52 |
| Sunset | 19:50 |
| Civil Twilight End | 20:19 |
| Nautical Twilight End | 20:55 |
| Astronomical Twilight End | 21:32 |
| Moon Illumination | 99.02% |