condition mean min max 3 h after light 18.9832 16.8498 20.1965 6 h after light 28.165666666666667 22.8702 31.957 9 h after light 38.743 37.3504 40.7726 12 h after light 42.3423 23.6856 52.2748 3 h after dark 45.379533333333335 44.0732 47.2582 6 h after dark 32.5554 29.837 35.3367 9 h after dark 22.103166666666667 18.922 27.1513 12 h after dark 15.74015 15.5222 15.9581