Topic
Anemometer
1
Barometer
1
Cloud cover, monthly mean
1
DATE/TIME
1
Humidity, relative, monthly mean
1
Hygrometer
1
IPY-1
1
Observation
1
Precipitation, monthly total
1
Rain gauge
1
Station pressure, monthly mean
1
Temperature, air, monthly mean
1
Thermometer
1
Vapour tension, monthly mean
1
Visual observation
1
Wind speed, monthly mean
1