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<p>Dear All,</p>
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<p>I have a netcdf<a></a> file with data covered the U.S., but I only want to display the area of Mississippi River basin. Any idea about how to mask out areas outside Mississippi River basin? Also, I need to do a basin average (i.e. average all the data within
Mississippi river basin), the aave<a></a>() function seems to average all the areas in U.S., not only in the river basin.
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<p>Your assistance is greatly appreciated.<br>
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Thanks,</p>
<p>Bo</p>
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