Not quite: http://www.srh.noaa.gov/ffc/?n=pop http://www.srh.noaa.gov/ffc/?n=pop Interesting that it only measures the chance of "measurable rainfall" and doe

Not quite: http://www.srh.noaa.gov/ffc/?n=pop http://www.srh.noaa.gov/ffc/?n=pop Interesting that it only measures the chance of "measurable rainfall" and does not attempt to predict the duration of the rain.