KCHS 030520Z 0306/0406 05004KT P6SM SCT035 
  FM030900 04004KT P6SM SCT025 BKN035 
  FM031500 07008KT P6SM SCT030 BKN080 
  FM032000 10011KT P6SM SCT040 
  FM040100 08004KT P6SM FEW050