How to get HTTP Status code by mod_status or other ways?

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http://serverfault.com – I am exploring mod_status for apache monitoring but I am not getting the way to get HTTP status code by this. I also want to monitor request serve per Hr or Day. That info also missing while enable the mod_status. Does any body have idea like how to get those info ? - HTTP Status Code >400 - Historical data or request. (if I fetch the server-status every 15 min, than history of the request between 1-15min (HowTos)