condition mean min max 2 h after light 2.78537 2.63832 2.95892 6 h after light 3.5838900000000002 3.24227 3.83136 10 h after light 3.791053333333333 3.6688 3.88639 2 h after dark 3.293266666666667 3.22657 3.36375 6 h after dark 3.09777 3.04077 3.14426 10 h after dark 2.47121 2.30882 2.56077