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Historic Data

Historic Rainfall Data

Below are links to Excel summaries of rainfall data at 8 AM for each location listed, through June 30th, 2017. 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  CLICK HERE  to send an email.  


Station Number 

 Station Name

 Location Map

 Record Begins

Buena Park 

Map

1926

61

Tustin - Irvine Ranch 

Map

1897

88

 Newport Beach Harbor Master

Map

1921

96

 Fullerton Hillcrest Reservoir

Map

1933

100

 Laguna Beach

Map

1928

121

Santa Ana

Map

1933

163

Yorba Reservoir

Map

1955

165

Costa Mesa

Map

1955

169

Corona Del Mar

Map

1959

173

Villa Park Dam

Map

1961

176

El Toro

Not Available

1964

186

San Clemente (Palisades Reservoir)

Map

1965

206

Trabuco Forestry

Map

1971

208

Santiago Peak

Not Available

1998

216

Laguna Niguel (Sulphur Creek Dam)

Map

1974

219

Costa Mesa Water District

Map

1978

222

Orange Hardacre

Not Available

1980

229

Garden Grove (Fire Station)

Map

1985

Disclaimer

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.