condition mean min max 2 h after light 0.4787775 0.0 1.09632 6 h after light 0.687038 0.0 1.77027 10 h after light 0.7042251666666667 0.0 2.50883 14 h after light 0.8638 0.0 1.81224 18 h after light 0.7295431666666666 0.0 2.38453 2 h after dark 0.45723216666666666 0.0 1.04864