 
 <translate> The relevant information is: The Cold wave of January 1977 produced the only known trace of snow in the greater Miami area of Florida ever reported (it snowed in the city of Miami).
Therefore, the answer is 1977. <ibo> Ihe ọmụma dị mkpa bụ: Oké oyi nke January 1977 mere ka e nwee nanị snoo a maara nke ọma n'ógbè Miami dị na Florida nke a kọtụrụla (o nwere snoo n'obodo Miami). N'ihi ya, azịza ya bụ 1977. 