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Anemometer
18
Barometer
18
Calculated from cloud direction description
Calculated from wind direction description
Cloud cover
18
Cloud direction
18
Cloud direction description
18
Cloud type
18
DATE/TIME
18
Hygrometer
IPY-1
18
Observation
18
Rain gauge
18
Station pressure
Thermometer
18
Visual observation
18
Wind direction
18
Wind direction description
Wind speed
18
Hydrometeor
16
Vapour tension
16
BARO
9
HYGRO
9
Humidity
9
Humidity, relative
9
International Polar Year 1881-1884
9
OBSE
9
Temperature
9
Temperature, air
9
air
9
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