This station is part of a sensor network. In order to ensure the highest level of data quality, the signal to noise ratio (SNR), defined as the coefficient of variation from the hourly readings, should be relatively low (below 33%). Any measurement with SNR constantly higher than 10% could be biased because of incorrect sensor readings (such as defective fan or dust accumulation).
For more information, check the AirNet sensor data quality validation service for the sensor J. B. Calo, Santa Rosa, Argentina