{"site_no":"05539900","name":"West Branch Du Page River Near West Chicago, IL","slug":"west-branch-du-page-river-near-west-chicago-il","url":"https://streamflowdata.com/stations/west-branch-du-page-river-near-west-chicago-il","state":"IL","county":"DuPage County","lat":41.9109722,"lng":-88.1791417,"drainage_area_sqmi":28.5,"datum_ft":717.43,"huc_code":"07120004","river":{"name":"West Branch Du Page River","slug":"west-branch-du-page-river-il"},"current":{"reading_time":"2026-05-29T23:55:00+00:00","discharge_cfs":20,"gage_height_ft":3.71},"flood_stage":{"action_stage_ft":6,"flood_stage_ft":7,"moderate_flood_ft":9,"major_flood_ft":11},"today_statistics":{"month":6,"day":11,"p10":12,"p25":18,"p50":29,"p75":41,"p95":141},"recent_daily_values":[{"date":"2026-05-28","discharge_cfs":19.3,"gage_height_ft":3.69},{"date":"2026-05-27","discharge_cfs":21.4,"gage_height_ft":3.74},{"date":"2026-05-26","discharge_cfs":24.2,"gage_height_ft":3.81},{"date":"2026-05-25","discharge_cfs":30.2,"gage_height_ft":3.94},{"date":"2026-05-24","discharge_cfs":44.7,"gage_height_ft":4.12},{"date":"2026-05-23","discharge_cfs":21.8,"gage_height_ft":3.75},{"date":"2026-05-22","discharge_cfs":20.9,"gage_height_ft":3.73},{"date":"2026-05-21","discharge_cfs":21.9,"gage_height_ft":3.76},{"date":"2026-05-20","discharge_cfs":24.2,"gage_height_ft":3.81},{"date":"2026-05-19","discharge_cfs":30.1,"gage_height_ft":3.94},{"date":"2026-05-18","discharge_cfs":32,"gage_height_ft":3.95},{"date":"2026-05-17","discharge_cfs":23.5,"gage_height_ft":3.79},{"date":"2026-05-16","discharge_cfs":24.1,"gage_height_ft":3.81},{"date":"2026-05-15","discharge_cfs":21.3,"gage_height_ft":3.74},{"date":"2026-04-20","discharge_cfs":115,"gage_height_ft":4.9},{"date":"2026-04-19","discharge_cfs":156,"gage_height_ft":5.22},{"date":"2026-04-18","discharge_cfs":276,"gage_height_ft":6.03},{"date":"2026-04-17","discharge_cfs":195,"gage_height_ft":5.49},{"date":"2026-04-16","discharge_cfs":347,"gage_height_ft":6.53},{"date":"2026-04-15","discharge_cfs":519,"gage_height_ft":7.54},{"date":"2026-04-14","discharge_cfs":66.4,"gage_height_ft":4.49},{"date":"2026-04-13","discharge_cfs":64.3,"gage_height_ft":4.47},{"date":"2026-04-12","discharge_cfs":48.6,"gage_height_ft":4.29},{"date":"2026-04-11","discharge_cfs":56.4,"gage_height_ft":4.38},{"date":"2026-04-10","discharge_cfs":73.7,"gage_height_ft":4.56},{"date":"2026-04-09","discharge_cfs":55.2,"gage_height_ft":4.37},{"date":"2026-04-08","discharge_cfs":65.3,"gage_height_ft":4.48},{"date":"2026-04-07","discharge_cfs":82.5,"gage_height_ft":4.64},{"date":"2026-04-06","discharge_cfs":113,"gage_height_ft":4.88},{"date":"2026-04-05","discharge_cfs":144,"gage_height_ft":5.13},{"date":"2026-04-04","discharge_cfs":240,"gage_height_ft":5.78},{"date":"2026-04-03","discharge_cfs":334,"gage_height_ft":6.45},{"date":"2026-04-02","discharge_cfs":269,"gage_height_ft":5.95},{"date":"2026-04-01","discharge_cfs":28.6,"gage_height_ft":3.96},{"date":"2026-03-31","discharge_cfs":30.8,"gage_height_ft":4.01},{"date":"2026-03-30","discharge_cfs":29.3,"gage_height_ft":3.98},{"date":"2026-03-29","discharge_cfs":29.5,"gage_height_ft":3.98},{"date":"2026-03-28","discharge_cfs":32,"gage_height_ft":4.03},{"date":"2026-03-27","discharge_cfs":45.4,"gage_height_ft":4.24},{"date":"2026-03-26","discharge_cfs":34.4,"gage_height_ft":4.07},{"date":"2026-03-25","discharge_cfs":34.8,"gage_height_ft":4.08},{"date":"2026-03-24","discharge_cfs":36.7,"gage_height_ft":4.12},{"date":"2026-03-23","discharge_cfs":45.6,"gage_height_ft":4.25},{"date":"2026-03-22","discharge_cfs":55.1,"gage_height_ft":4.37},{"date":"2026-03-21","discharge_cfs":71.8,"gage_height_ft":4.55},{"date":"2026-03-20","discharge_cfs":94.2,"gage_height_ft":4.75},{"date":"2026-03-19","discharge_cfs":121,"gage_height_ft":4.95},{"date":"2026-03-18","discharge_cfs":140,"gage_height_ft":5.1},{"date":"2026-03-17","discharge_cfs":189,"gage_height_ft":5.45},{"date":"2026-03-16","discharge_cfs":488,"gage_height_ft":7.4},{"date":"2026-03-15","discharge_cfs":127,"gage_height_ft":4.94},{"date":"2026-03-14","discharge_cfs":73.6,"gage_height_ft":4.56},{"date":"2026-03-13","discharge_cfs":108,"gage_height_ft":4.85},{"date":"2026-03-12","discharge_cfs":189,"gage_height_ft":5.44},{"date":"2026-03-11","discharge_cfs":354,"gage_height_ft":6.59},{"date":"2026-03-10","discharge_cfs":41.8,"gage_height_ft":4.19},{"date":"2026-03-09","discharge_cfs":48.8,"gage_height_ft":4.29},{"date":"2026-03-08","discharge_cfs":73.2,"gage_height_ft":4.55},{"date":"2026-03-07","discharge_cfs":135,"gage_height_ft":5.06},{"date":"2026-03-06","discharge_cfs":69.8,"gage_height_ft":4.3}],"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)."}