"GRDC-Code" "Month" "MinQ" "MaxQ" "MeanQ" 1870800 "01" 168.000000 249.000000 211.832993 1870800 "02" 178.000000 303.000000 223.149994 1870800 "03" 174.000000 342.000000 238.699997 1870800 "04" 185.000000 477.000000 280.420990 1870800 "05" 180.000000 536.000000 324.420990 1870800 "06" 166.000000 477.000000 275.944000 1870800 "07" 150.000000 356.000000 225.367996 1870800 "08" 126.000000 248.000000 182.250000 1870800 "09" 118.000000 206.000000 163.600006 1870800 "10" 117.000000 190.000000 160.800003 1870800 "11" 158.000000 215.000000 187.332993 1870800 "12" 174.000000 292.000000 214.529007