I before E, except after C (if it rhymes with bee). As a rule, it's got plenty of exceptions, but "receive" is pretty well the reason anyone uses it at all.
I'm hoping that that rain will cause the board to be repainted with the correct spelling. This may sound petty, but we have schoolkids visit campus from time to time, and those among them who have bothered to learn how to spell "receive" will be unimpressed. Also, I am petty.
I don't like chicken, so bought lunch from the Subway clone instead.