Freezing level 11 008041 Instrument manufacture date 13 008041 Missing value 31 008041 Multiple freezing level 12 008041 Flight level observation 6 008041 Parent site 0 008041 Flight level termination point 7 008041 2014-09-03T09:54:16.63Z Observation site 1 008041 IFR ceiling and visibility 8 008041 1 Mountain obscuration 9 008041 Strong surface wind 10 008041 Data significance Balloon manufacture date 2 008041 Surface observation 4 008041 Balloon launch point 3 008041 Surface observation displacement from launch point 5 008041