condition mean min max 2 h after light 20.402316666666668 16.2135 22.8505 6 h after light 16.50285 12.6459 22.5016 10 h after light 15.7225 10.1591 21.6008 14 h after light 17.685583333333334 11.8426 23.3807 18 h after light 16.87885 11.5864 22.448 2 h after dark 29.176016666666666 24.7246 34.0648