TAF KGRK 091600Z 0916/1022 36012G18KT 9999 SCT040 BKN100 QNH3000INS 
  BECMG 1001/1002 36009KT 9999 BKN040 QNH3005INS 
  BECMG 1014/1015 01012G18KT 9999 SCT040 BKN060 QNH3005INS TX26/0920Z TN15/1012Z