Location Map

Click on the map below to open a full-screen map with links to each station.

Rainfall data for these sites are updated hourly. [20-May-2020] A new rain gage was installed at Parkrose High School (#235). [16-Apr-2020] The Glencoe (#175) rain gage is back in service. [4-Jul-2019] The Madison (#213) rain gage is temporarily down due to a building construction project. Disclaimer: Rainfall data on this page have not received final approval and as such are provisional and subject to final revision. The data are released on the condition that neither the USGS, the United States Government, nor the City of Portland may be held liable for any damages resulting from their use. More information about the quality of precipitation data is available. A water year is defined as the 12-month period beginning October 1 of any year and continuing through September 30 of the following year. The water year is designated by the calendar year in which it ends and which includes 9 of the 12 months. Thus, the water year ending September 30, 2018 is called the 2018 water year.