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IPY-1
26
Observation
26
DATE/TIME
24
Anemometer
18
Barometer
18
Hygrometer
18
Rain gauge
18
Thermometer
18
Visual observation
18
International Polar Year 1881-1884
13
OBSE
13
Russia
13
Cloud cover
12
Station pressure
12
Temperature
12
Vapour tension
12
Wind speed
12
BARO
9
HYGRO
9
Humidity
9
Precipitation
9
Ssagastyr
9
air
9
relative
9
Precipitation, daily total
7
daily total
7
Cloud type
6
Hydrometeor
6
Wind direction
6
Wind direction description
6
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