condition mean min max 2 h after light 13.699166666666667 12.9304 15.1561 6 h after light 5.505226666666666 5.47376 5.52753 10 h after light 4.28116 3.21885 5.60688 2 h after dark 3.78024 3.54537 4.22603 6 h after dark 4.590013333333333 4.00416 5.15668 10 h after dark 6.6995700000000005 6.16887 7.16605