METAR KORD 131951Z 33011G19KT 10SM BKN040 BKN070 06/M03 A3003 RMK AO2 SLP174 T00611033 METAR KORD 131851Z 35012KT 10SM BKN032 BKN120 06/M02 A3004 RMK AO2 SLP176 T00611017