condition mean min max 3 h after light 0.0283042 0.0 0.0849126 6 h after light 0.0 0.0 0.0 9 h after light 0.16572666666666666 0.0 0.344933 12 h after light 0.019812125 0.0 0.0792485 3 h after dark 0.18331366666666668 0.0 0.549941 6 h after dark 0.0 0.0 0.0 9 h after dark 0.22862733333333335 0.0 0.557413 12 h after dark 0.0674225 0.0 0.134845