METAR NZSP 181750Z GRID10007KT 9999 IC FEW120 M57/ A2835 RMK
     VIS GRID S 0800 EXHAUST GRID W=
METAR NZSP 181150Z GRID09008KT 9999 IC FEW100 M57/ A2835
     RMK=
METAR NZSP 180550Z GRID09006KT 9999 IC FEW032 SCT140 M57/
     A2831 RMK VIS GRID S 1600 STATION EXHAUST VIS GRID SW
     0600 STATION EXHAUST=
METAR NZSP 172350Z GRID07007KT 8000 IC BR FEW045 FEW080 M57/
     A2827 RMK VIS GRID S 2000 EXHAUST=