condition mean min max 3 h after light 6.25024 3.48487 7.84811 6 h after light 4.134503333333334 1.39305 8.03724 9 h after light 0.9894253333333333 0.542916 1.33454 12 h after light 0.938449 0.306642 1.56586 3 h after dark 0.10979536666666667 0.0 0.250582 6 h after dark 0.38592 0.312102 0.487096 9 h after dark 0.957126 0.809856 1.14107 12 h after dark 1.561905 1.01444 2.10937