condition mean min max 4 h after light 0.566262 0.464663 0.667861 8 h after light 0.269799 0.16915 0.370448 12 h after light 0.3220325 0.274039 0.370026 4 h after dark 0.576298 0.447607 0.696415 8 h after dark 1.4797363333333333 0.826229 2.53006 12 h after dark 0.405397 0.0 0.684968