<div dir="ltr"><div dir="ltr"><div>Hi Soma,</div><div><br></div><div>What you want are <b>block</b> 5-day and 7-day averages. EG: <b>"73</b> times for a <b>365</b> day series."<br></div><div>It is your responsibility to be clear on your objective.<br></div><div>Otherwise, people spend their valuable time trying to figure out what you want.</div><div><br></div><div>x(time, lat, lon) .... (ntim,nlat,mlon)<br></div><div> 0 1 2 <=== dimension numbers [ Please read NCL documentation]<br></div><div><br></div><div>Two approaches:</div><div><br></div><div>[1]</div><div><br></div><div><div> endopt = ... ; -1, 0, 1 PLEASE read the documentation</div><div> ndim_time = 0</div></div><div><br></div><div> navg = 5</div><div> xRunAvg = <b><a href="http://www.ncl.ucar.edu/Document/Functions/Contributed/runave_n_Wrap.shtml">runave_n_Wrap</a>(</b>x, navg, endopt, ndim_time) ; classic running average (ntim,nlat,mlon)</div><div> xBlock_5 = xRunAvg(::navg,:,:)</div><div> printVarSummary(xBlock_5)</div><div><br></div><div> navg = 7 <br></div><div> xRunAvg = <b><a href="http://www.ncl.ucar.edu/Document/Functions/Contributed/runave_n_Wrap.shtml">runave_n_Wrap</a>(</b>x, navg, endopt, ndim_time) ; classic running average (ntim,nlat,mlon)</div><div> xBlock_7 = xRunAvg(::navg,:,:)</div><div> printVarSummary(xBlock_7)</div><div><br></div><div>[2]</div><div><a href="http://www.ncl.ucar.edu/Document/Functions/Contributed/calculate_segment_values.shtml"><b>http://www.ncl.ucar.edu/Document/Functions/Contributed/calculate_segment_values.shtml</b></a></div><div><br></div><div>This requires that 'time' have CF conforming units. I suggest you use [1].<br></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Dec 3, 2018 at 2:27 PM Soma Roy <<a href="mailto:somaroy892@gmail.com">somaroy892@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="auto">Hello,<div dir="auto"><br></div><div dir="auto">I used the example 2 from the below link;</div><div dir="auto"><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/runave_n.shtml" rel="noreferrer" target="_blank">https://www.ncl.ucar.edu/Document/Functions/Built-in/runave_n.shtml</a><br></div><div dir="auto"><br></div><div dir="auto">But there is no change in output time dimension.</div><div dir="auto">I used 365 days data over nlat x nlon as input.</div><div dir="auto"><br></div><div dir="auto">I set nave=5 with expectation to get nlat x nlon for 73 times in output.</div><div dir="auto"><br></div><div dir="auto">But there is no change in output dimensions. Then how to extract 5 days running avg. over 365 days dataset?</div><div dir="auto"><br></div><div dir="auto">Kindly inform me.</div><div dir="auto"><br></div><div dir="auto">Thanking you,</div><div dir="auto">Soma</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Dec 3, 2018, 21:10 Soma Roy <<a href="mailto:somaroy892@gmail.com" rel="noreferrer" target="_blank">somaroy892@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="auto">Thanks for the hints<div dir="auto"><br></div><div dir="auto">Soma</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Dec 3, 2018, 19:21 Appo derbetini <<a href="mailto:appopson4@gmail.com" rel="noreferrer noreferrer" target="_blank">appopson4@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"><div>Hi,</div><div>I think that you easily do it with <b><br></b></div><div dir="ltr"><b><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/runave_n.shtml" rel="noreferrer noreferrer noreferrer" target="_blank">https://www.ncl.ucar.edu/Document/Functions/Built-in/runave_n.shtml</a></b></div><div dir="ltr"><br></div><div>Regards<b><br></b></div></div><br><div class="gmail_quote"><div dir="ltr">Le lun. 3 déc. 2018 à 10:54, Soma Roy <<a href="mailto:somaroy892@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">somaroy892@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Thank you.<div dir="auto">Efficient way to do.</div><div dir="auto"><br></div><div dir="auto">But I would like to know also the steps for this by using ncl.</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 Mon, Dec 3, 2018, 15:14 Oluwaseun Ilori <<a href="mailto:wilseun@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">wilseun@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="auto">Cdo will do it easily and better<div dir="auto"><br></div><div dir="auto"><div dir="auto">cdo -timselmean,5 infile outfile</div><div dir="auto"><br></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Dec 3, 2018, 10:36 AM Soma Roy <<a href="mailto:somaroy892@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer" target="_blank">somaroy892@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="auto">Hello,<div dir="auto"><br></div><div dir="auto">I am using daily gridded rainfall datasets.</div><div dir="auto">I want to compute 5 days and 7 days running avg. of rainfall from the datasets over each grid points.</div><div dir="auto"><br></div><div dir="auto">Structure of the input file is like below;</div><div dir="auto"><br></div><div dir="auto">Rain (730, 129, 135) ; (time (365*2), lat, lon)</div><div dir="auto"><br></div><div dir="auto">Please kindly inform me which function should I use in this case.</div><div dir="auto"><br></div><div dir="auto">Thanking you,</div><div dir="auto">Soma</div><div dir="auto"><br></div><div dir="auto"><br></div></div>
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