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Yes it is posible using GDSTAT after gridding. Th program will compute grids for the number of obs, mesn, and standard deviation for a time series of grids. Steve Chiswell Unidata User Support > 05/26/2006 > Greetings, > > Okay, let's see if this is even possible first off. Is it possible to take > nexrad level III n0r data, grid it using gdradr, then take for example a days > worth of grids, sum the data points over that day and divide by n to get some > sort of spatial average of dbz reflectivity for a given geographic region, and > plot it? > > I've been working with this idea, and believe it is possible, but I've only > been > able to get as far as gridding the nexrad lvl III with gdradr... and even then > am unsure as to whether it was successful. I am only working with n0r for two > stations. > > In short could you provide me, if possible, with first of all whether this > idea > is possible and if so, some guidance on how to proceed? > > thanks for any help, > Jay Cordeira > > Ticket Details =================== Ticket ID: YIB-714779 Department: Support GEMPAK Priority: Normal Status: Closed