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DATE/TIME
54
Wind speed
Wind direction
52
Temperature, air
51
ALTITUDE
50
Baseline Surface Radiation Network BSRN
50
Dew/frost point
50
Monitoring station
50
Pressure, at given altitude
50
Radiosonde, Vaisala, RS92-SGP
50
Anemometer
4
Barometer
4
Cloud cover
4
Hygrometer
4
IPY-1
4
Observation
4
Rain gauge
4
Station pressure
4
Thermometer
4
Visual observation
4
BARO
3
HYGRO
3
Humidity
3
International Polar Year 1881-1884
3
OBSE
3
Point_Barrow
3
Temperature
3
United States of America
3
air
3
relative
3
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