Dont ever remember PIK being classed as 'fog free all year round' (excellent weather record yes) but willing to back down if you can show where that is claimed VV. On very rare occasions a heavy sea mist rolls in from the Firth of Clyde and that was the situation last night. It was patchy with 3 of the 6 inbounds between 10 and 12 getting in and 3 apparently (FRs) not hanging around too long for gaps and heading to GLA.