KPSF 302321Z 3100/3124 29007KT P6SM FEW050 
  FM310500 VRB02KT 6SM BR FEW002 
  FM310800 00000KT 2SM BR BKN002 
  FM311200 33003KT P6SM SKC 
  FM311500 34007KT P6SM FEW050