condition mean min max 4 h after light 154.022976 150.362466 157.683486 8 h after light 198.93292350000002 184.108463 213.757384 12 h after light 175.43046950000002 152.007686 198.853253 4 h after dark 175.036653 170.693595 179.379711 8 h after dark 165.88787250000001 151.727748 180.047997 12 h after dark 137.908121 137.908121 137.908121