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Anemometer
6
BARO
6
Barometer
6
Canada
6
Cloud cover
6
DATE/TIME
6
HYGRO
6
Humidity
6
Hygrometer
6
IPY-1
6
International Polar Year 1881-1884
6
OBSE
6
Observation
6
Rain gauge
6
Temperature
6
Thermometer
Vapour tension
Visual observation
6
Wind speed
6
air
relative
6
Precipitation
5
Fort_Conger
3
Fort_Rae
3
Pressure
3
Station pressure
3
atmospheric
3
daily total
3
Calculated from wind direction description
2
Cloud direction description
2
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