condition mean min max 3 h after light 1.6549716666666667 1.05075 2.78296 7 h after light 1.78933875 0.939155 3.25764 11 h after light 2.241685 1.12435 3.68047 2 h after dark 2.1065199999999997 1.23927 3.40719 6 h after dark 1.9479234166666666 0.980881 3.28714 10 h after dark 1.98557 1.08473 3.15023