Last night's YPPH TAFs:
TAF YPPH 261102Z 2612/2718 15005KT 9999 FEW015 BKN040 FM270100
07010KT 9999 BKN050 FM270600 08008KT CAVOK=
TAF AMD YPPH 261304Z 2613/2718 07004KT 9999 FEW008 SCT040 FM270100
07010KT 9999 BKN050 FM270600 08008KT CAVOK
PROB40 2614/2618 0300 FG=
TAF AMD YPPH 261308Z 2613/2718 07004KT 3000 BR FEW008 SCT040 FM261800
07005KT 9999 NSW FEW010 SCT040 FM270100 07010KT 9999
BKN050 FM270600 08008KT CAVOK
PROB40 2614/2618 0300 FG=
TAF AMD YPPH 261337Z 2613/2718 06004KT 0500 FG BKN002 FM261600
07004KT 3000 BR SCT005 FM261800 07005KT 9999 NSW FEW010
SCT040 FM270100 07010KT 9999 BKN050 FM270600 08008KT
CAVOK
PROB40 2616/2618 0300 FG=
TAF AMD YPPH 261405Z 2614/2718 06004KT 4000 BR SCT003 FM261800
07005KT 9999 NSW FEW010 SCT040 FM270100 07010KT 9999
BKN050 FM270600 08008KT CAVOK
PROB40 2615/2618 0300 FG=
TAF AMD YPPH 261426Z 2614/2718 06004KT 8000 HZ FEW003 BKN035 FM261800
07005KT 9999 NSW FEW010 BKN040 FM270100 07010KT 9999
BKN050 FM270600 08008KT CAVOK
PROB30 2616/2618 0300 FG=
The METARs show the fog started to appear at 1300 and lasted until some time between 1400 and 1430. The lowest vis recorded was 400 metres, at 1335.