condition mean min max 3 h after light 2.07429125 0.386876 9.12911 7 h after light 1.8817861666666666 0.682698 4.49203 11 h after light 2.0627028333333333 0.690029 4.92114 2 h after dark 3.3397475 1.12093 9.31468 6 h after dark 3.7496105 0.774336 15.6599 10 h after dark 3.5558714166666667 0.449598 14.7511