<div>I think for 6 hour day, I would try define v=ave(aave(tmp2m,lon=110,lon=120,lat=20,lat=30),t+0,t=4).</div>
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<div>Look at this website for more information.</div>
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<div><a href="http://www.iges.org/grads/gadoc/variable.html#new">http://www.iges.org/grads/gadoc/variable.html#new</a></div>
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<div>-Jason <br><br></div>
<div class="gmail_quote">2009/11/12 Wang Lizhi <span dir="ltr"><<a href="mailto:wlz@tea.ac.cn">wlz@tea.ac.cn</a>></span><br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">Hi, everyone,<br><br>I get the ncep2 data set(example flx.ft06.200909), and I can plot a region's average<br>
temperature curve use following:<br><br>open flx.ft06.200909.ctl<br>set t 1 120<br>define v=aave( tmp2m, lon=110,lon=120,lat=20,lat=30)<br>set x 1<br>set y 1<br>set z 1<br>d v<br><br>But the curve is plotted at interval 6hour. Now I want to plot the mean daily<br>
temperature curve, How can I do ?<br><br>thanks<br></blockquote></div><br>