condition mean min max 0 h after light 2.56404 1.70733 3.42075 4 h after light 2.60946 0.0 5.21892 8 h after light 2.55812 1.73796 3.37828 4 h after dark 2.521845 1.67681 3.36688 8 h after dark 0.84075 0.0 1.6815 12 h after dark 3.354355 1.70503 5.00368