condition mean min max 2 h after light 115.03116666666666 96.2 129.724 6 h after light 81.9362 73.5018 89.6222 10 h after light 87.77625 66.1492 123.555 14 h after light 86.606 56.7457 111.777 18 h after light 76.25945 72.6734 79.0019 2 h after dark 147.76216666666667 131.139 158.559