condition mean min max 4 h after light 12.416782000000001 12.175321 12.658243 8 h after light 13.829671999999999 13.194125 14.465219 12 h after light 11.579266 11.477714 11.680818 4 h after dark 13.3013205 12.616292 13.986349 8 h after dark 12.974212 12.917577 13.030847 12 h after dark 13.099193 13.099193 13.099193