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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have NARR monthly means from 1980-2000 and a control file that controls the whole data set. I am trying to alter the control file to only plot 1981-2000. I know I want 240 months from 00Z on 01 Jan 1981 in 1 month increments but I’m not sure which lines to alter and how.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>dset ^narrmon-a_221_%y4%m201_0000_000.grb<o:p></o:p></p><p class=MsoNormal>index ^narrmon-a_221_19800101_0000_fff.idx<o:p></o:p></p><p class=MsoNormal>undef 9.999E+20<o:p></o:p></p><p class=MsoNormal>title narrmon-a_221_19800101_0000_000.grb<o:p></o:p></p><p class=MsoNormal>* produced by grib2ctl v0.9.12.5p39c<o:p></o:p></p><p class=MsoNormal>dtype grib 221<o:p></o:p></p><p class=MsoNormal>options template<o:p></o:p></p><p class=MsoNormal>pdef 349 277 lcc 1 -145.5 1 1 50 50 -107 32463 32463<o:p></o:p></p><p class=MsoNormal>xdef 1111 linear -250 0.333333<o:p></o:p></p><p class=MsoNormal>ydef 247 linear 8 0.333333<o:p></o:p></p><p class=MsoNormal>tdef 252 linear 00Z01jan1980 1mo<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal>Adam<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>