Hi,
Try this:
sourcetype="that has data for pageviews" |chart avg(pageviews) over date_hour
Hope I helped:)
If you ever want to see breakdown by day run:
sourcetype="that has data for pageviews" | convert timeformat="%m/%d/%y" ctime(_time) as "day_time" | chart avg(pageviews) over date_hour by day_time
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