condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 3.68e-10 0.0 7.36e-10 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 7.866666666666666e-09 0.0 2.03e-08 12 h after dark 0.0 0.0 0.0