condition mean min max 3 h after light 57.07313333333334 55.1578 59.3141 6 h after light 65.3476 50.232 75.4533 9 h after light 82.6634 67.1801 101.847 12 h after light 77.5341 50.828 97.9129 3 h after dark 73.6725 70.743 77.555 6 h after dark 61.72603333333333 57.6395 68.2456 9 h after dark 47.611133333333335 45.4806 51.019 12 h after dark 44.5742 41.4466 47.7018