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Design Rainfall

Design Rainfall

Design Rainfall

(OP)
Does anyone know a good resource for design rainfall maps?  I have looked in the ASCE 7-05 but didn't find a map.  

RE: Design Rainfall

ICC and BOCA IPC-1997 (International Plumbing Code) include appendices with rainfall rates.  Appendix B includes a table of rainfall rates for various cities with rainfall rates in inches per hour based on a storm of one hour duration and 100-year return period.  On this basis Pecos, Texas and Albuquerque, NM are much higher than Seatle, WA or Portland, OR.

Find an annual rainfall chart at
http://www-das.uwyo.edu/~geerts/cwx/notes/chap17/rain_usa.html

Poke around the NOAA site to find interesting climatic data.  However you may not find the "universal rain chart".

http://www.wrh.noaa.gov/ggw/precip.php

http://www.ncdc.noaa.gov/oa/climate/research/2005/ann/us-summary.html

Good luck.

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