METAR KCHA 230753Z AUTO 36006KT 10SM BKN080 04/M03 A3020 RMK AO2 SLP229 T00441028
TAF KCHA 230559Z 2306/2406 02003KT P6SM BKN100 BKN250 
  FM231500 03010KT P6SM OVC050 
  FM231800 03010G19KT P6SM BKN060