These files contain monthly observational data recorded at the Arrival Heights station (77.8297°S, 166.6633°E, 183 m ASL), located on the slopes above McMurdo Station on Ross Island, Antarctica. The station uses a Davis Instruments Vantage Pro2 weather station, operated and maintained by station...

McMurdo Station’s Radiosonde/Rawinsonde (Weather Balloon) observation data contained in this record comes in several formats, all are ASCII text unless otherwise noted: 1956-1982 MMYYYY.ms.txt (Starts 1956 – ends 1982) MMYYYYms.dat (Starts 1980 – ends 1982) The data prior to 1980 is organized by...