condition mean min max 4 h after light 0.0480192 0.0 0.0960384 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.04213115 0.0 0.0842623 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0