condition mean min max 3 h after light 0.34891496666666666 0.0735219 0.577588 6 h after light 0.706435 0.627274 0.763007 9 h after light 1.072112 0.844662 1.39807 12 h after light 1.01431725 0.623414 1.80042 3 h after dark 1.0622286666666667 0.748156 1.36798 6 h after dark 0.49625 0.359677 0.595724 9 h after dark 0.26444833333333334 0.0 0.487492 12 h after dark 0.6024944999999999 0.471201 0.733788