Ceilometer system 1 002183 Manual observation 0 002183 Cloud detection system Infrared camera system 2 002183 Microwave visual camera system 3 002183 Others 14 002183 Video time-lapsed camera system 5 002183 Sky imager system 4 002183 Missing value 15 002183 2014-09-03T09:54:01.107Z Micropulse lidar (MPL) system 6 002183 1