Elliot- > What is the difference between "Weighted average" and "nearest neighbor" when > using IDV's time series option to produce WRF output? it defines the sampling mode. Nearest Neighbor selected the closest grid point, weighted average takes an average of the surrounding grid points. See the FAQ item on this: http://www.unidata.ucar.edu/software/IDV/docs/userguide/Faq.html#resample Don Murray Ticket Details =================== Ticket ID: VJT-405470 Department: Support IDV Priority: Normal Status: Open