condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1023915 0.0 0.204783 12 h after light 0.26391149999999997 0.247707 0.280116 4 h after dark 0.0408058 0.0 0.0816116 8 h after dark 0.04089785 0.0 0.0817957 12 h after dark 0.0 0.0 0.0