Attribute: EVENT_CODE

code  description    
CALIBR    Associated with the inspection or replacement of sensors for calibration     
INSREM    Sensor is installed or removed     
LOGGER    Change in data logger, data logger program, or wiring     
MAINTE    A maintenance event has occurred     
METHOD    Change in data collection method     
NA    No event is reported (not applicable)     
QUALTY    Event may directly affect data quality     
WEATHR    A weather event has occurred that may affect reading