{"site_no":"04133501","name":"Thunder Bay River at Herron Road Near Bolton, MI","slug":"thunder-bay-river-at-herron-road-near-bolton-mi","url":"https://streamflowdata.com/stations/thunder-bay-river-at-herron-road-near-bolton-mi","state":"MI","county":"Alpena County","lat":45.1241787,"lng":-83.63554,"drainage_area_sqmi":586,"datum_ft":659.88,"huc_code":"04070006","river":{"name":"Thunder Bay River","slug":"thunder-bay-river-mi"},"current":{"reading_time":"2026-05-30T00:30:00+00:00","discharge_cfs":645,"gage_height_ft":12.59},"flood_stage":null,"today_statistics":{"month":6,"day":11,"p10":235,"p25":323,"p50":422,"p75":508,"p95":856},"recent_daily_values":[{"date":"2026-05-29","discharge_cfs":677,"gage_height_ft":null},{"date":"2026-05-28","discharge_cfs":749,"gage_height_ft":null},{"date":"2026-05-27","discharge_cfs":827,"gage_height_ft":null},{"date":"2026-05-26","discharge_cfs":809,"gage_height_ft":null},{"date":"2026-05-25","discharge_cfs":874,"gage_height_ft":null},{"date":"2026-05-24","discharge_cfs":959,"gage_height_ft":null},{"date":"2026-05-23","discharge_cfs":1190,"gage_height_ft":null},{"date":"2026-05-22","discharge_cfs":1490,"gage_height_ft":null},{"date":"2026-05-21","discharge_cfs":1850,"gage_height_ft":null},{"date":"2026-05-20","discharge_cfs":1980,"gage_height_ft":null},{"date":"2026-05-19","discharge_cfs":1470,"gage_height_ft":null},{"date":"2026-05-18","discharge_cfs":860,"gage_height_ft":null},{"date":"2026-05-17","discharge_cfs":620,"gage_height_ft":null},{"date":"2026-05-16","discharge_cfs":666,"gage_height_ft":null},{"date":"2026-05-15","discharge_cfs":656,"gage_height_ft":null},{"date":"2026-04-21","discharge_cfs":2030,"gage_height_ft":null},{"date":"2026-04-20","discharge_cfs":2350,"gage_height_ft":null},{"date":"2026-04-19","discharge_cfs":2760,"gage_height_ft":null},{"date":"2026-04-18","discharge_cfs":3170,"gage_height_ft":null},{"date":"2026-04-17","discharge_cfs":3770,"gage_height_ft":null},{"date":"2026-04-16","discharge_cfs":4660,"gage_height_ft":null},{"date":"2026-04-15","discharge_cfs":5260,"gage_height_ft":null},{"date":"2026-04-14","discharge_cfs":4890,"gage_height_ft":null},{"date":"2026-04-13","discharge_cfs":3290,"gage_height_ft":null},{"date":"2026-04-12","discharge_cfs":2080,"gage_height_ft":null},{"date":"2026-04-11","discharge_cfs":1870,"gage_height_ft":null},{"date":"2026-04-10","discharge_cfs":2150,"gage_height_ft":null},{"date":"2026-04-09","discharge_cfs":2400,"gage_height_ft":null},{"date":"2026-04-08","discharge_cfs":2780,"gage_height_ft":null},{"date":"2026-04-07","discharge_cfs":3220,"gage_height_ft":null},{"date":"2026-04-06","discharge_cfs":3790,"gage_height_ft":null},{"date":"2026-04-05","discharge_cfs":4430,"gage_height_ft":null},{"date":"2026-04-04","discharge_cfs":4150,"gage_height_ft":null},{"date":"2026-04-03","discharge_cfs":3030,"gage_height_ft":null},{"date":"2026-04-02","discharge_cfs":2250,"gage_height_ft":null},{"date":"2026-04-01","discharge_cfs":2000,"gage_height_ft":null},{"date":"2026-03-31","discharge_cfs":1490,"gage_height_ft":null},{"date":"2026-03-30","discharge_cfs":1200,"gage_height_ft":null},{"date":"2026-03-29","discharge_cfs":1140,"gage_height_ft":null},{"date":"2026-03-28","discharge_cfs":1120,"gage_height_ft":null},{"date":"2026-03-27","discharge_cfs":1090,"gage_height_ft":null},{"date":"2026-03-26","discharge_cfs":1080,"gage_height_ft":null},{"date":"2026-03-25","discharge_cfs":1120,"gage_height_ft":null},{"date":"2026-03-24","discharge_cfs":1440,"gage_height_ft":null},{"date":"2026-03-23","discharge_cfs":1560,"gage_height_ft":null},{"date":"2026-03-22","discharge_cfs":1550,"gage_height_ft":null},{"date":"2026-03-21","discharge_cfs":1520,"gage_height_ft":null},{"date":"2026-03-20","discharge_cfs":1480,"gage_height_ft":null},{"date":"2026-03-16","discharge_cfs":1410,"gage_height_ft":null},{"date":"2026-03-15","discharge_cfs":1670,"gage_height_ft":null},{"date":"2026-03-14","discharge_cfs":1920,"gage_height_ft":null},{"date":"2026-03-13","discharge_cfs":2360,"gage_height_ft":null},{"date":"2025-11-30","discharge_cfs":363,"gage_height_ft":null},{"date":"2025-11-29","discharge_cfs":355,"gage_height_ft":null},{"date":"2025-11-28","discharge_cfs":364,"gage_height_ft":null},{"date":"2025-11-27","discharge_cfs":387,"gage_height_ft":null},{"date":"2025-11-26","discharge_cfs":398,"gage_height_ft":null},{"date":"2025-11-25","discharge_cfs":398,"gage_height_ft":null},{"date":"2025-11-24","discharge_cfs":403,"gage_height_ft":null},{"date":"2025-11-23","discharge_cfs":395,"gage_height_ft":null}],"sources":{"usgs_nwis":"https://waterdata.usgs.gov/nwis","noaa_nwps":"https://api.water.noaa.gov/nwps/v1"},"license":"USGS data is in the public domain. Attribution: USGS National Water Information System (NWIS)."}