<div dir="ltr">Hi<font color="#000000"> <span style="font-family:arial,sans-serif;font-size:13.333333969116211px">Gürol,</span></font><div><font color="#000000"><span style="font-family:arial,sans-serif;font-size:13.333333969116211px"><br>
</span></font></div><div style><font color="#000000"><span style="font-family:arial,sans-serif;font-size:13.333333969116211px">You need to know what your variable names are, you will find it by tiping</span></font></div><div style>
<font color="#000000"><span style="font-family:arial,sans-serif;font-size:13.333333969116211px">q file </span></font></div><div style><font color="#000000" face="arial, sans-serif">then you can use simple powerful tools, such as</font></div>
<div style><font color="#000000" face="arial, sans-serif">d ave(variablename,t=initialtime,t=finaltime,timestep)</font></div><div style><font color="#000000" face="arial, sans-serif">that in your case might be t=6, t=408, timestep=12, that will calculate the average for june for the whole period (1979-2012), and so on</font></div>
<div style><font color="#000000" face="arial, sans-serif"><br></font></div><div style><font color="#000000" face="arial, sans-serif">Best regards</font></div><div style><font color="#000000" face="arial, sans-serif">Luis</font></div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, May 15, 2013 at 10:53 AM, Gürol Çerçi <span dir="ltr"><<a href="mailto:cercig@gmail.com" target="_blank">cercig@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello,<div><br></div><div>I have a monthly precipitation data set, 3 dimensional (lat, lon, time) in netcdf format. </div>
<div><br></div><div><div>For a specific grid point, I want to calculate the linear trend between 1979-2012 for total summer values (June+July+August). </div>
<div><br></div><div>Any tips to do that as the easiest way? (I have already the script to calculate the linear trend).</div></div><div><br></div><div>For example:</div><div>set lat 10</div><div>set lon 160</div><div>set t something<br clear="all">
<div>then what to write?</div><div><br></div><div>Thanks...</div><span class="HOEnZb"><font color="#888888">-- <br>Gürol Çerçi<br>Meteorological Engineer
</font></span></div></div>
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