The installations and instruments required to conduct meteorological observations on the ground.
Instrument that indicates wind direction using a vane that rotates around a vertical axis.
Instrument that measures wind speed using cups that rotate around a mobile shaft at varying speeds.
Ventilated shelter designed to protect meteorological instruments from solar radiation and precipitation.
rain gauge recorder
Instrument that measures rainfall using small calibrated containers that tip when filled with water, producing an electrical impulse.
Instrument that measures the depth of water that originally fell as snow.
direct-reading rain gauge
Instrument that measures rainfall; it uses a measuring tube connected to a funnel that collects rain.
Instrument designed to measure overall or indirect solar radiation.
Instrument designed to record daily duration of sunshine.