condition mean min max 2 h after light 100.87071666666667 81.0848 118.653 6 h after light 84.77895 71.0603 103.898 10 h after light 81.1381 62.03 97.8768 14 h after light 86.7045 60.8175 106.531 18 h after light 82.71515 61.4915 96.018 2 h after dark 98.08061666666667 70.2749 113.394