It works, but you don't see any changes if you just look at the unit stats. And if it's already raining, you don't even cast it, since it's exactly the same effect. Here's the link to the old discussion:
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Whether he submitted the post, or whether he did not, made no difference. The Thought Police would get him just the same. He had committed— would still have committed, even if he had never set pen to paper— the essential crime that contained all others in itself. Thoughtcrime, they called it. Thoughtcrime was not a thing that could be concealed forever. http://z7.invisionfree.com/Dom3mods/index.php?