condition mean min max 3 h after light 5.9928465 0.0 13.8973 7 h after light 6.716647166666666 0.0 16.8019 11 h after light 6.2053313999999995 0.0 16.639 2 h after dark 8.678501854416666 0.0 24.8789 6 h after dark 8.5425659 0.0 24.4403 10 h after dark 6.652118583333333 0.0 18.5626