<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Simon,<DIV>Use tloop(aave()) to get a time series of an area average. There are examples in the documentation of tloop.</DIV><DIV>Jennifer</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR><DIV><DIV>On Dec 19, 2006, at 3:54 AM, Simon Krichak wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">Hello,</SPAN></FONT></DIV><DIV><FONT face="Arial" size="2"></FONT> </DIV><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">I want to draw a graph with time variation of area averaged seasonal precipitation over a region based on monthly mean gridded data available from a ten year global dataset. </SPAN></FONT></DIV><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">Application of the aave function allows me to compute 10 area averaged values with the seasonal precipitation which I see on the display. My aim is to obtain a 2D graph however. </SPAN></FONT></DIV><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">How this may be done using GrADS?</SPAN></FONT></DIV><DIV><FONT face="Arial" size="2"></FONT> </DIV><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">Thanks,</SPAN></FONT></DIV><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">Simon </SPAN></FONT></DIV><DIV><FONT face="Arial" size="2"></FONT> </DIV><DIV><FONT face="Arial" size="2"></FONT> </DIV><DIV><FONT face="Arial" size="2"><SPAN class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">Simon Krichak</SPAN><BR style="font-family: Arial; font-size: 10px; "></FONT></DIV><FONT face="Arial" size="2"></FONT><BR class="Apple-interchange-newline"></SPAN></BLOCKQUOTE></DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>Jennifer M. Adams</DIV><DIV>IGES/COLA</DIV><DIV>4041 Powder Mill Road, Suite 302</DIV><DIV>Beltsville, MD 20705</DIV><DIV><A href="mailto:jma@cola.iges.org">jma@cola.iges.org</A></DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></DIV></BODY></HTML>