> Trend object

Property		Description
clock	timestamp	Timestamp of an hour for which the value was calculated. E. g. timestamp of 04:00:00 means values calculated for period 04:00:00-04:59:59.
itemid	integer	ID of the related item.
num	integer	Number of values that were available for the hour.
value_min	integer	Hourly minimum value.
value_avg	integer	Hourly average value.
value_max	integer	Hourly maximum value.