Report on the GEWEX-GPCP Workshop on Precipitation Analysis March 11-13, 2003 European Center for Medium Range Weather Forecast Shinfield Park, Reading, Berks. RG2 9AX United Kingdom Masao Kanamitsu (Co-chairman) Climate Research Division Scripps Institution of Oceanography University of California, San Diego and Arnold Gruber (Co-chairman) NOAA’s National Environmental Satellite Data and Information Service Washington D.C. & Cooperative Institute for Climate Studies Earth System Science Interdisciplinary Center University of Maryland, College Park, Md 20742 Sponsored by: Global Energy and Water Cycle Global Precipitation Climatology Project European Center for Medium Range Weather Forecasts