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Precipitation Monitoring Data

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Precipitation Home

Map of Thurston County Precipitation Monitoring Sites

Definition of Water Year (official NOAA)

Pre-2008 NOAA Precip. Data

For other precipitation monitoring sites, see the left-hand navigation bar.

NOAA Precipitation Datanoaa logo - Olympia Airport

PDF tip: Lines in PDF might appear jagged on your monitor, however, the documents should print clearly. Also, use the magnifying glass in Acrobat to zoom into particular areas for better readability.

red blinking arrowThurston County maintains data dating back to 1996.  If you need historical data, please contact the Monitoring Program.

1996-2000 Hourly Precipitation Data by Month
Click here for pre-2000 data.
Hourly Precipitation Data Per Month for years 2000 - 2012 (linked pages)
2000 2003 2006 2009 2012
2001 2004 2007 2010
2002 2005 2008 2011  

Water Year Summary Charts and Tables - Water Year Summaries
2000 2004 2008 2012 2016
2001 2005 2009 2013 2017
2002 2006 2010 2014  
2003 2007 2011 2015  

Annual Precipitation Statistics -- NOAA Monitoring Data, Olympia Airport
Olympia Annual Precipitation Data, 1897-2011 (annual precipitation data collected since records have been kept - zipped Excel file.)
NOAA Precipitation Analysis for 1999-2009 Annual Statistics (compares actual vs. average precipitation per month for the year - PDF)
Average Month Precipitation for Olympia, Washington, 1951-2008 (zipped Excel file)

Contact Us

E-mail: bieverm@co.thurston.wa.us.

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