condition mean min max 4 h after light 3.5271966666666668 3.4987199999999996 3.56704 8 h after light 3.566396666666667 3.4983800000000005 3.60335 12 h after light 3.5068633333333334 3.4657 3.5435 4 h after dark 3.59813 3.48185 3.7055599999999997 8 h after dark 3.55904 3.4896599999999998 3.6156 12 h after dark 3.5184999999999995 3.49536 3.5551199999999996