<div dir="auto">Using cdo I think you can do that.<div dir="auto"><br></div><div dir="auto">Use seasmean over your input file like;</div><div dir="auto">cdo seasmean infile seas</div><div dir="auto"><br></div><div dir="auto">In output you will get seasJJA.nc and seasSON.nc</div><div dir="auto"><br></div><div dir="auto">Again splitmon over seasSON.nc to get <a href="http://mon9.nc" target="_blank" rel="noreferrer">mon9.nc</a></div><div dir="auto"><br></div><div dir="auto">Then use mergetime over seasJJA.nc and <a href="http://mon9.nc" target="_blank" rel="noreferrer">mon9.nc</a> you will get seasJJAS.nc</div><div dir="auto"><br></div><div dir="auto">Hope this also helpful for your case.</div><div dir="auto"><br></div><div dir="auto">Thanks,</div><div dir="auto">Soma</div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Dec 5, 2018, 11:15 Md. Jalal Uddin <<a href="mailto:dmjalal90@gmail.com" target="_blank" rel="noreferrer">dmjalal90@gmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thanks. It is work now.</div><br><div class="gmail_quote"><div dir="ltr">On Wed, Dec 5, 2018 at 2:40 AM Adam Phillips <<a href="mailto:asphilli@ucar.edu" rel="noreferrer noreferrer" target="_blank">asphilli@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Jalal,<div>You can do it by hand by using runave_n_Wrap:</div><div>; arr is dimensioned time x lat x lon<br>temp = runave_n_Wrap(arr,4,0,0)</div><div>arr_jjas = temp(6::12,:,:) ; select 4-month running means, starting with 4-month mean centered around July</div><div>delete([/arr,temp/])</div><div><br></div><div>Verify that the above coding is doing what you think it is doing and the results are as you expect, and make sure you review the <a href="https://www.ncl.ucar.edu/Document/Functions/Contributed/runave_n_Wrap.shtml" rel="noreferrer noreferrer" target="_blank">runave_n_Wrap documentation</a>. Note that the JJAS 4 month average is placed in the July index. As January starts at index 0, July is at index 6. </div><div><br></div><div>If you have further questions let ncl-talk know.</div><div>Adam</div><div><br></div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Tue, Dec 4, 2018 at 6:55 AM Md. Jalal Uddin <<a href="mailto:dmjalal90@gmail.com" rel="noreferrer noreferrer" target="_blank">dmjalal90@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi all,<div><br></div><div>How can I analyse JJAS seasonal mean? <h1 style="padding:5px;line-height:22pt;clear:both"><font color="#02538f" face="lucida sans, verdana, arial, sans-serif"><span style="font-size:20pt">month_to_season </span></font>does not allow for this analysis.</h1><div><br></div>-- <br><div dir="ltr" class="m_4728491865142705652m_7155026306948947201m_3411457092702371865m_-1988437470047961195gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font color="#000000" size="2"><b>Md. Jalal Uddin</b></font></div><div dir="ltr">MSc in Applied Meteorology (English Language)<br>Nanjing University of Information, Science and Technology, China</div><div dir="ltr"><span style="letter-spacing:0.2px">B.Sc. in Disaster Management (Hons.) </span><br></div><div dir="ltr"><span style="letter-spacing:0.2px">Patuakhali Science and Technology University, Bangladesh.</span></div><div dir="ltr">Cell: +8613260859092, <span style="letter-spacing:0.2px">+8801792052662</span></div><div dir="ltr"><font size="2">Web: <a href="http://www.dmjalal90.weebly.com" rel="noreferrer noreferrer" target="_blank">www.dmjalal90.weebly.com</a> <br>Facebook: jalal.hossen.39 <br>LinkedIn: <a href="https://bd.linkedin.com/in/md-jalal-uddin-80a026b0" rel="noreferrer noreferrer" target="_blank">https://bd.linkedin.com/in/md-jalal-uddin-80a026b0</a> <br>Twitter: dmjalal90 <br>Skype: dmjalal90</font><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="m_4728491865142705652m_7155026306948947201m_3411457092702371865gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div><span><font color="#888888">Adam Phillips <br></font></span></div><span><font color="#888888">Associate Scientist, </font></span><span><font color="#888888">Climate and Global Dynamics Laboratory, NCAR<br></font></span></div></div><div><span><font color="#888888"><a href="http://www.cgd.ucar.edu/staff/asphilli/" rel="noreferrer noreferrer" target="_blank">www.cgd.ucar.edu/staff/asphilli/</a> </font></span><span><font color="#888888">303-497-1726 </font></span></div><span><font color="#888888"></font></span><div><div><span><font color="#888888"><br></font></span><div><span><font color="#888888"><a href="http://www.cgd.ucar.edu/staff/asphilli" rel="noreferrer noreferrer" target="_blank"></a></font></span></div></div></div></div></div></div></div></div></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="m_4728491865142705652m_7155026306948947201gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font color="#000000" size="2"><b>Md. Jalal Uddin</b></font></div><div dir="ltr">MSc in Applied Meteorology (English Language)<br>Nanjing University of Information, Science and Technology, China</div><div dir="ltr"><span style="letter-spacing:0.2px">B.Sc. in Disaster Management (Hons.) </span><br></div><div dir="ltr"><span style="letter-spacing:0.2px">Patuakhali Science and Technology University, Bangladesh.</span></div><div dir="ltr">Cell: +8613260859092, <span style="letter-spacing:0.2px">+8801792052662</span></div><div dir="ltr"><font size="2">Web: <a href="http://www.dmjalal90.weebly.com" rel="noreferrer noreferrer" target="_blank">www.dmjalal90.weebly.com</a> <br>Facebook: jalal.hossen.39 <br>LinkedIn: <a href="https://bd.linkedin.com/in/md-jalal-uddin-80a026b0" rel="noreferrer noreferrer" target="_blank">https://bd.linkedin.com/in/md-jalal-uddin-80a026b0</a> <br>Twitter: dmjalal90 <br>Skype: dmjalal90</font><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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