condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0329858 0.0 0.0989574 12 h after light 0.07415563333333333 0.0 0.195119 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0