condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.010368066666666667 0.0 0.0311042 9 h after light 0.0 0.0 0.0 12 h after light 0.008239925 0.0 0.0329597 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0