{"@context":"https://schema.org","@type":"Property","@id":"https://schema.org/observationPeriod","rdfs:label":"observationPeriod","rdfs:comment":"The length of time an Observation took place over. The format follows `P[0-9]*[Y|M|D|h|m|s]`. For example, P1Y is Period 1 Year, P3M is Period 3 Months, P3h is Period 3 hours.","schema:domainIncludes":[{"@id":"https://schema.org/Observation"}],"schema:rangeIncludes":[{"@id":"https://schema.org/Text"}]}