condition mean min max 2 h after light 93.9221 67.9842 113.9 6 h after light 80.65508333333334 57.1764 110.41 10 h after light 67.67525 53.2676 90.1192 14 h after light 69.14646666666667 45.0682 92.1117 18 h after light 76.16415 53.3075 101.794 2 h after dark 122.7445 102.057 146.079