<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"> Dear GrADS colleagues,<div><br></div><div> I am working with a netCDF file which contains precipitation values for 31 days. What I am trying to do is to use NCO to obtain the sum of the "time" dimension (thus, the 31 days), but with no success until the present moment.</div><div><br></div><div> Could anybody give some directions?</div><div><br></div><div> Best regards,</div><div><br></div><div> Thiago.</div></td></tr></table><br>