condition mean min max 4 h after light 0.0081218 0.0 0.0162436 8 h after light 0.0 0.0 0.0 12 h after light 0.004230795 0.0 0.00846159 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