Concept: n hourly average/mean in the primaryObservation vocabulary

Concept URI	http://dd.eionet.europa.eu/vocabulary/aq/primaryObservation/n-hour
Preferred label	n hourly average/mean
Definition	The n-hourly average or n-hour mean is the average of all valid minute values for n-hour. An n-hourly average is calculated if at least 75% are available. Note: n must be equal to 2, 3, 4, 6 in order to be able to correctly aggregate the data.
Notation	n-hour
Status	Valid
Status Modified	2017-02-09
Accepted Date
Not Accepted Date