Second-order climatological station
From AMS Glossary
second-order climatological station
A station at which observations of atmospheric pressure, temperature, humidity, winds, clouds, and weather are made at least twice daily at fixed hours, and at which the daily maximum and minimum of temperature, the daily amount of precipitation, and the duration of bright sunshine are observed.
Compare second-order station;
see also first-order climatological station, third-order climatological station, climatological substation, precipitation station.