TAF NZSP 180855Z 1809/1909 (1822/1922NZDT) 36006KT 9999 IC SCT015 BKN040 QNH2854INS ALL WINDS GRID BECMG 1820/1822 (1909/1911) 36012KT 9999 IC DRSN FEW015 SCT040 QNH2858INS