<div dir="ltr">Hi,<div><br></div><div style>I don't know exactly how to extract only few months but, you can extracts data of the area you are interested as follows</div><div style><br></div><div style>sdfopen <a href="http://xxxx.in">xxxx.in</a></div>
<div style>set t x y</div><div style>set z 1</div><div style>set lon -20 20</div><div style>set lat -40 20</div><div style>define landprec=data_var(present file variable name)</div><div style>sdfwrite landprec</div><div style>
undefine landprec</div><div style><br></div><div style>a datafile with <a href="http://grads_xxxx.nc">grads_xxxx.nc</a> file with your desired area is created...</div><div style><br></div><div style>Hope it reduces your problems...</div>
<div style><br></div><div style>Cheers,</div><div style><br></div><div style>Kishore</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Apr 19, 2013 at 2:08 PM, Martin Addi <span dir="ltr"><<a href="mailto:addimartin32@gmail.com" target="_blank">addimartin32@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi to all<br>
i have a land precipitation data from CRU in a .nc file but i want to<br>
extract only the JAS(july,august and september) from 1951-2009 within<br>
lat. -40 20 and lon. -20 20.I want only this data and what is the<br>
script or step i should use?Thank you.<br>
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