Historic Rainfall Data – is available in the form of Microsoft Office 97 Excel spread sheets. The user of the data is responsible for any errors resulting from data manipulation of this rainfall data. The user must be knowledgeable in using Excel as OC Public Works Staff are not available to provide software support for this data format. For general information on rainfall data please contact OC Watersheds at (714) 955-0600 or email at OC Watersheds - Environmental Data Management.
Excel spreadsheets and location maps for historic rainfall stations can also be found here on an interactive map, Weather Data Map.
Limitations - Although the data provided using the County of Orange, OC Public Works systems has been produced and processed from sources believed to be reliable, no warranty expressed or implied is made regarding accuracy, adequacy, completeness, legality, reliability or usefulness of any information. The County of Orange, OC Public Works provides this information on an "as is" basis. All warranties of any kind express or implied, including but not limited the implied warranties of merchantability, fitness for a particular purpose ARE DISCLAIMED.