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<body class='hmmessage'><div dir='ltr'>In my specific case, which code should I use?<br>Thanks Joey!!<br><br><div><hr id="stopSpelling">Date: Wed, 9 Sep 2015 14:49:07 -0500<br>From: instantweathermaps@gmail.com<br>To: gradsusr@gradsusr.org<br>Subject: Re: [gradsusr] Simple query: Accumulated Rain??<br><br><div dir="ltr">You can use the sum function in GrADS to calculate x-hr accumulated rain from n-hr accumulated rain, where x&gt;n. If x&lt;n, you can use subtraction, as in ACPCsfc(t-4)-ACPCsfc.<br></div><div class="ecxgmail_extra"><br><div class="ecxgmail_quote">On Wed, Sep 9, 2015 at 7:19 AM, giacomo tricarico <span dir="ltr">&lt;<a href="mailto:mino-98@hotmail.it" target="_blank">mino-98@hotmail.it</a>&gt;</span> wrote:<br><blockquote class="ecxgmail_quote" style="border-left:1px #ccc solid;padding-left:1ex;">


<div><div dir="ltr">Hi, my WRF plots 17 files, from 00h to 48h, with 3h steps; so rain is accumulated each 3 hours.<div><br></div><div>BUT how could I have 12h and 24h accumulated rain with grads? So that I have respectively 4 and 2 images :)</div><div><br></div><div>Thanks,</div><div>Giacomo</div>                                               </div></div>
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