As you can see from this image, snowfall was succeeded by fog, which also makes familiar places look and seem new. That altered no golfing sign does not seem as prominent when the view to the far distant hills is not obscured by what is commonly called inclement weather. And the fog shrouded trees on the far horizon seem further away than they do when the sun is shining.
The combination of fog and trees can work wonders in producing commonplace mysteries that continue to work within the person who perceives them many years later. The fact that fog often occurs during magic mushroom season might play a part in this, not that this consideration has any bearing on what was witnessed here.
Sheffield Patrol Group 