condition mean min max 4 h after light 1.293712 0.860704 1.72672 8 h after light 3.4071800000000003 1.86619 4.94817 12 h after light 2.15171 1.6239 2.67952 4 h after dark 2.939951333333333 0.920364 5.59161 8 h after dark 2.473636678866667 3.66e-08 4.70352 12 h after dark 1.5455083533333334 5.06e-06 2.43007