condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.09832283333333333 0.0 0.207654 4 h after dark 0.0 0.0 0.0 8 h after dark 0.16992566666666667 0.0 0.509777 12 h after dark 0.0 0.0 0.0