condition mean min max 4 h after light 168.927216 163.516942 174.33749 8 h after light 206.5549575 192.119829 220.990086 12 h after light 226.01651750000002 209.692735 242.3403 4 h after dark 253.23760149999998 244.012377 262.462826 8 h after dark 216.1024375 198.204509 234.000366 12 h after dark 209.692735 209.692735 209.692735