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mark_john
May 12, 2011, 03:40 AM
Hi Expert,
Please let me know that from where I can get all country rain fall in inch per hour for roof rain water drainage designing.Thanks

jcaron2
May 12, 2011, 12:50 PM
If you're talking about the U.S. you can use this publication:

http://www.weather.gov/oh/hdsc/PF_documents/TechnicalPaper_No40.pdf

Hope that helps.