One thing I never see mentioned about LED lights is that they don't emit much heat.
This was brought out in a few towns in snow country that installed LED traffic and pedestrian lights. The old incandescent lights created enough heat to keep themselves clear of snow. The LEDs did not, and were immediately clogged with snow in the first storm. IIRC, they had to install electric heaters in the light housings to keep them clear of snow. LOTS of energy savings there!
There are still a few pedestrian lights around here that get totally blocked by snow.
Oh, well, back to the drawing board...
