locality_id - when provided by user then locality ID, when not provided identical with serial number
logger_name - name of logger in myClim object at the locality (e.g., "Thermo_1", "TMS_2")
sensor_name - sensor name either original (e.g., TMS_T1, T_C), or calculated/renamed (e.g., "TMS_T1_max", "my_sensor01")
tag - category of state (e.g., "error", "source", "quality")
start - start datetime
end - end datetime
value - value of tag (e.g., "out of soil", "c:/users/John/tmsData/data_911235678.csv")