condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04110166666666667 0.0 0.123305 12 h after light 0.061098000000000006 0.0 0.183294 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