USGS Water-Year Summary 2021
06466000 NIOBRARA R AT NIOBRARA NEBR
LOCATION - Lat 42°44'54.4", long 98°03'28.8" referenced to North American Datum of 1983, Knox County, NE, Hydrologic Unit 10150007, on left bank of Nebraska Highway 12 bridge over Mormon Canal.
DRAINAGE AREA - Not determined.
PERIOD OF RECORD - 2001 to present.
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 1,200.00 ft above National Geodetic Vertical Datum of 1929 (NGVD29).
EXTREMES FOR PERIOD OF RECORD - Maximum peak stage, 41.64 ft, March 14, 2019, from highwater mark.