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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
04133501 THUNDER BAY RIVER AT HERRON ROAD NEAR BOLTON, MI
LOCATION - Lat 45°07'27", long 83°38'08" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.36, T.32 N., R.6 E., Alpena County, MI, Hydrologic Unit 04070006, on right bank at upstream side of bridge on Herron Road, 4.5 mi southwest of Bolton, and 14.6 mi upstream from mouth.
DRAINAGE AREA - 586 mi².
REVISIONS HISTORY - WSP 1437: 1946. WSP 1727: 1947 (M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1945 to September 1980, July 2002 to current year. Prior to October 1980, published as "Thunder Bay River near Bolton".
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 659.881 ft above NAVD88. Prior to Aug. 12, 1945, nonrecording gage at site 0.7 mi upstream, Aug. 13, 1945 to September 1980, water-stage recorder at site 0.8 mi upstream at different datums (station 04133500).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,290 ft³/s, Mar. 26, 1976, gage height, 10.29 ft, site and datum then in use; maximum gage height, 18.24 ft, Oct. 26, 2017, peak stage at previous site and datum, 10.49 ft, Mar. 25, 1976, backwater from ice; minimum discharge, 92 ft³/s, Sept. 28, 29, 1955, site then in use.
