condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 4.41e-07 0.0 8.82e-07 4 h after dark 1.3133333333333334e-06 0.0 3.94e-06 8 h after dark 0.0 0.0 0.0 12 h after dark 1.8233333333333334e-07 0.0 5.47e-07