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<body class='hmmessage'><div dir='ltr'>Dear All,<BR>&nbsp;<BR>Could anyone tell me how I can take the average of a parameter during 10 years? For example I would like to&nbsp;calculate 10-year average of SST in Grads.<BR>&nbsp;<BR>Best regards,<BR>Thareh&nbsp;<BR>                                               </div></body>
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