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I have a NetCDF with 30+ years of monthly data from which I want to find the climatological normal. Using the NetCDF tutorial I found through NOAA (https://www.esrl.noaa.gov/psd/data/gridded_help/tools.html#arcgis in case anyone is interested), I discovered the Model Builder in ArcMap.

Is there anyway to have the model loop through each month's data to plug into the Raster Calculator so I can determine the climatological normal? I'd rather not have to build 360 branches manually. I can do this pretty easily in R, but I'm trying to expand my proficiency with Arc.

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    Cell Statistics may be what you're after resources.arcgis.com/en/help/main/10.2/index.html#//…. Input all your years rasters then use statistic type of mean, median or majority to get the average over the last 30 years, each of these 3 statistic types could be considered average.. but you need to have a spatial analyst license to use this tool, do you have access to that extension? – Michael Stimson Jun 27 at 3:51
  • @MichaelStimson I have the Spatial Analyst license. I’ll give Cell Stats a go. – kcc29 Jun 27 at 12:48
  • @MichaelStimson, just wanted to let you know Cell Stats did exactly what I wanted. Thanks for the help! – kcc29 Jul 9 at 2:53
  • That's great, can you now answer your own question with detailed steps and some screen shots for the benefit of future readers of this post. – Michael Stimson Jul 9 at 3:02

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