Z06902100 USGS H06902100 3937030931648002929117SW102801036880 630.84 N06902100 Grand River below Sumner, MO (auxiliary gage) Y06902100 306902100 19990704 9.61 306902100 19991212 8662.00 306902100 20010129 53.65 306902100 20020514 37.09 306902100 20030928 23.13 306902100 20040830 34.58 306902100 20050215 30.88 306902100 20060502 23.58 306902100 20070512 37.79 306902100 20080122 44.70 306902100 20090518 34.49 306902100 20100516 37.16 306902100 20110528 30.61 306902100 20120505 28.44 5 306902100 20130421 36.99 5 306902100 20140913 36.77 306902100 20150731 33.99 306902100 20151216 34.51 306902100 20191003 33.23 306902100 20210627 34.59 306902100 20211112 29.27