condition mean min max 0 h after light 0.02318085 0.0 0.0463617 2 h after light 0.0673178 0.0483505 0.0862851 4 h after light 0.0211073 0.0 0.0422146 8 h after light 0.02223785 0.0 0.0444757 12 h after light 0.04620635 0.0432535 0.0491592 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0