condition mean min max 3 h after light 18.885550000000002 13.9744 28.9089 7 h after light 16.4649 11.9807 23.162 11 h after light 17.3192 12.778 23.7523 2 h after dark 20.921458333333334 15.7387 26.2675 6 h after dark 21.618275 14.2787 31.3791 10 h after dark 21.901825 11.3309 32.4935