condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.309212 0.0 0.476372 9 h after light 0.11358766666666666 0.0 0.340763 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.13025499999999998 0.0 0.390765 9 h after dark 0.29424500000000003 0.0 0.882735 12 h after dark 0.0 0.0 0.0