condition mean min max 0 h after light 0.08221525 0.0521495 0.112281 2 h after light 0.0261211 0.0 0.0522422 4 h after light 0.02555925 0.0 0.0511185 8 h after light 0.0269283 0.0 0.0538566 12 h after light 0.02618825 0.0 0.0523765 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0546016 0.0535364 0.0556668