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</o:shapelayout></xml><![endif]--></head><body lang=EL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Hi everyone,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have a variable ACUM that is accumulated every hour for a total of 24 hours (like accumulated rainfall to give an example).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I would like to get the variable's value for each hour.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Variable: ACUM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Type: float<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Total Size: 95232 bytes<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> 23808 values<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Number of Dimensions: 3<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Dimensions and sizes: [time | 24] x [rlat | 32] x [rlon | 31]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I want to use something like this:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>do nt =0,22,1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> ACUM_HOURLY= ACUM(nt+1,:,:)- ACUM (nt,:,:) ;For example hour 5th hourly value is hour 5th value minus hour 4th value<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>end do<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>but in this way I do not get an array for ACUM_HOURLY but only one time dimension:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Variable: ACUM_HOURLY<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Type: float<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Total Size: 3968 bytes<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> 992 values<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Number of Dimensions: 2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Dimensions and sizes: [32] x [31]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Do you have any suggestions?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Orestis<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;font-family:"Trebuchet MS","sans-serif"'>Orestis Speyer,</span><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS","sans-serif"'> MSc</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS","sans-serif"'>Research Fellow, National Observatory of Athens<br>Institute for Environmental Research and Sustainable Development</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>