condition mean min max 0 h after light 0.0464634 0.0 0.0929268 4 h after light 0.0457288 0.0 0.0914576 8 h after light 0.14031205 0.0917731 0.188851 4 h after dark 0.0911035 0.0 0.182207 8 h after dark 0.1842565 0.0 0.368513 12 h after dark 0.04530945 0.0 0.0906189