000 FTUS42 KCHS 181725 TAFCHS TAF KCHS 181725Z 1818/1918 25010KT P6SM SCT050 FM190100 20006KT P6SM SCT250 FM190400 VRB03KT P6SM SCT200 FM191500 27007KT P6SM FEW050 SCT100=