FTMX31 MMMX 050400
TAF MMMX 050439Z 0506/0606 00000KT P6SM SKC TX28/0521Z TN15/0513Z
         FM051200 05005KT 6SM HZ SKC
         FM051800 18005KT P6SM SCT020
         TEMPO 0521/0601 SCT020CB
         FM060100 18010KT P6SM SCT020=