condition mean min max 2 h after light 0.9366909999999999 0.811593 1.09927 6 h after light 1.0453933333333334 0.93468 1.1186 10 h after light 1.141487 0.934601 1.24539 2 h after dark 3.8243266666666664 3.44118 4.45787 6 h after dark 2.8534266666666666 2.34313 3.23587 10 h after dark 1.71972 1.43173 2.01172