condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.08526 0.0 0.17052 8 h after light 0.25314000000000003 0.16557 0.34071 4 h after dark 0.1646865 0.164362 0.165011 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0