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Hydrology and River Information

Radar Derived Rainfall Estimates

1-HR	3-HR	6-HR	24-HR

• Additional Radar Derived Rainfall Estimates

Current Hydrometeological Data and Products

• USGS - Caribbean District Realtime Streamflow Data
• Hydrometeorological Automated Data System (HADS) Home Page
• Hydrometeorological Automated Data System (HADS) data for PR
• Daily River and Lake Summary
• Daily Temperature and Precipitation Data for sites across Puerto Rico
• Rainfall Potential of Tropical Systems

Monthly Hydrologic Reports (E5/E3)

• Monthly Report of River and Flood Conditions(E5)
• Monthly Flood Crest Information (E3)

Past Flood Events

• Extended Period of Heavy Rain and Flooding May 12-Jun 16, 2011
• Flood Event of July 20-23, 2010
• Aibonito Flood Event of Dec 24-25, 2009
• Pre-Kyle Flood Event of Sep 20-23, 2008
• Flood Event of Oct 9-13, 2005
• Flood Event of Nov 11-15, 2004
• Flood Event of Nov 12-14, 2003
• Flood Event of April 17-18, 2003
• Flood Event of Nov 7-9 2001
• Flood Event of May 6-7 2001

Miscellaneous

• Map of Puerto Rico Mean Annual Precipitation (1971-2000)
• Map of Puerto Rico Mean Annual Precipitation (1981-2010)
• Monthly Normal Rainfall Maps

Surface Water Resources Outlook

• Precipitation Frequency Data for P.R. and U.S.V.I.(order on line)
• Partnership between the USGS and the NWS