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Anemometer
16
BARO
16
Barometer
16
Cloud cover
16
DATE/TIME
16
Hydrometeor
IPY-1
16
International Polar Year 1881-1884
16
Temperature
16
Thermometer
16
Visual observation
16
Wind direction
16
Wind direction description
Wind speed
air
16
Station pressure
15
Cloud type
14
HYGRO
14
Humidity
14
Hygrometer
14
OBSE
14
Observation
14
Precipitation
14
Rain gauge
14
Vapour tension
14
daily total
14
relative
14
Calculated from wind direction description
13
Cloud direction description
11
Cloud direction
10
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