condition mean min max 4 h after light 0.6884129999999999 0.632798 0.744028 8 h after light 0.992642 0.947274 1.03801 12 h after light 0.5419545 0.525873 0.558036 4 h after dark 1.11177 1.0112 1.21234 8 h after dark 0.6190720000000001 0.598878 0.639266 12 h after dark 0.615785 0.54424 0.68733