condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 7.3e-10 0.0 1.46e-09 12 h after light 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 3.2233333333333335e-05 0.0 9.67e-05