condition mean min max 4 h after light 0.0162679 0.0 0.0325358 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.01427315 0.0 0.0285463 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0