HWO returns the time a Daily Detail (Hourly, 15 Minute...) value occurs.
HWO(VarNum,Offset, Date_Format, optional GroupOffset, optional Grouping)
VarNum: The variable number to get the value for.
Offset: Sets which value to return. For example, a setting of 1 means return the 1st value found for the dates specfied, 2 means return the 2nd value found, etc…
Date_Format: Date Format (i.e. "mm/dd/yyyy hh:nn"...) to return date/time in.
GroupOffset/StartDate: Used with the Grouping parameter to set the dates to calculate the stat for. Sets the number of Groups (set by the Grouping Parameter) to be added to set the dates. See examples below. If this field is a date string (i.e. "07/16/2004") or refers to a cell with a date in it, it is assumed to be the start date to calculate the stat for.
Grouping/EndDate: Used to set which dates to calculate the stat for. If the Grouping is a date literal string (i.e. "07/16/2004") or refers to a cell with a date in it, it is assumed to be the end date to calculate the stat for. Common Groupings are:
"R" Report Dates
Click here for available Grouping options
Use Locate, Daily Detail Values to place this formula. To get the value when it occurs use DDVWO.
HWO(2,3,"hh:nn") - returns "08:00", the date/time of the 3rd value for variable 2. If there is no 3rd value in the report date range, function would return blank ("").