condition mean min max 3 h after light 4.580880333333333 0.363727 14.1061 7 h after light 5.1798478333333335 0.655214 14.9395 11 h after light 4.506921666666667 1.86757 9.05831 2 h after dark 5.0970575 1.30178 11.3546 6 h after dark 3.440603916666667 0.246117 7.18133 10 h after dark 2.661205 0.534962 7.57244