Concept: Daily average (24-hour mean) in the aggregationprocess vocabulary

Concept URI	http://dd.eionet.europa.eu/vocabulary/aq/aggregationprocess/P1D
Preferred label	Daily average (24-hour mean)
Definition	The daily average or daily mean is the average of all valid hourly values for a day. A daily or 24-hourly average is calculated if at least 18 valid hourly values are available.
Notation	P1D
Status	Valid
Status Modified	2014-04-15
Accepted Date	2014-04-15
Not Accepted Date
Scope note	Base aggregation - described in section 3.1 of Aggregation document
Related pollutant	1 (Sulphur dioxide (air)) in aq/pollutant 5 (Particulate matter < 10 µm (aerosol)) in aq/pollutant 6001 (Particulate matter < 2.5 µm (aerosol)) in aq/pollutant

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