{"site_no":"05536255","name":"Butterfield Creek at Flossmoor, IL","slug":"butterfield-creek-at-flossmoor-il","url":"https://streamflowdata.com/stations/butterfield-creek-at-flossmoor-il","state":"IL","county":"Cook County","lat":41.5398611,"lng":-87.6494444,"drainage_area_sqmi":23.5,"datum_ft":616.45,"huc_code":"07120003","river":{"name":"Butterfield Creek","slug":"butterfield-creek-il"},"current":{"reading_time":"2026-05-30T00:30:00+00:00","discharge_cfs":1.44,"gage_height_ft":3.9},"flood_stage":{"action_stage_ft":8,"flood_stage_ft":9,"moderate_flood_ft":11,"major_flood_ft":15},"today_statistics":{"month":6,"day":11,"p10":1.6,"p25":2.9,"p50":5.6,"p75":22,"p95":108},"recent_daily_values":[{"date":"2026-05-28","discharge_cfs":1.1,"gage_height_ft":3.89},{"date":"2026-05-27","discharge_cfs":1.97,"gage_height_ft":3.91},{"date":"2026-05-26","discharge_cfs":3.48,"gage_height_ft":3.95},{"date":"2026-05-25","discharge_cfs":5.7,"gage_height_ft":4.04},{"date":"2026-05-24","discharge_cfs":11.6,"gage_height_ft":4.19},{"date":"2026-05-23","discharge_cfs":3.49,"gage_height_ft":3.95},{"date":"2026-05-22","discharge_cfs":3.5,"gage_height_ft":3.96},{"date":"2026-05-21","discharge_cfs":3.82,"gage_height_ft":3.97},{"date":"2026-05-20","discharge_cfs":4.87,"gage_height_ft":4.02},{"date":"2026-05-19","discharge_cfs":9.81,"gage_height_ft":4.17},{"date":"2026-05-18","discharge_cfs":22.8,"gage_height_ft":4.37},{"date":"2026-05-17","discharge_cfs":3.74,"gage_height_ft":3.97},{"date":"2026-05-16","discharge_cfs":4.27,"gage_height_ft":3.99},{"date":"2026-05-15","discharge_cfs":3.86,"gage_height_ft":3.97},{"date":"2026-04-20","discharge_cfs":22.5,"gage_height_ft":4.46},{"date":"2026-04-19","discharge_cfs":30.3,"gage_height_ft":4.6},{"date":"2026-04-18","discharge_cfs":47.3,"gage_height_ft":4.84},{"date":"2026-04-17","discharge_cfs":27,"gage_height_ft":4.54},{"date":"2026-04-16","discharge_cfs":40.4,"gage_height_ft":4.75},{"date":"2026-04-15","discharge_cfs":31.4,"gage_height_ft":4.62},{"date":"2026-04-14","discharge_cfs":31.3,"gage_height_ft":4.61},{"date":"2026-04-13","discharge_cfs":29.7,"gage_height_ft":4.59},{"date":"2026-04-12","discharge_cfs":23.9,"gage_height_ft":4.49},{"date":"2026-04-11","discharge_cfs":29.3,"gage_height_ft":4.58},{"date":"2026-04-10","discharge_cfs":40.3,"gage_height_ft":4.75},{"date":"2026-04-09","discharge_cfs":39.7,"gage_height_ft":4.74},{"date":"2026-04-08","discharge_cfs":54.7,"gage_height_ft":4.94},{"date":"2026-04-07","discharge_cfs":83.4,"gage_height_ft":5.25},{"date":"2026-04-06","discharge_cfs":152,"gage_height_ft":5.8},{"date":"2026-04-05","discharge_cfs":314,"gage_height_ft":6.92},{"date":"2026-04-04","discharge_cfs":877,"gage_height_ft":9.7},{"date":"2026-04-03","discharge_cfs":370,"gage_height_ft":7.25},{"date":"2026-04-02","discharge_cfs":85,"gage_height_ft":5.24},{"date":"2026-04-01","discharge_cfs":75.4,"gage_height_ft":5.16},{"date":"2026-03-31","discharge_cfs":59.3,"gage_height_ft":4.86},{"date":"2026-03-30","discharge_cfs":11.7,"gage_height_ft":4.22},{"date":"2026-03-29","discharge_cfs":12.8,"gage_height_ft":4.25},{"date":"2026-03-28","discharge_cfs":15.8,"gage_height_ft":4.32},{"date":"2026-03-27","discharge_cfs":29.4,"gage_height_ft":4.57},{"date":"2026-03-26","discharge_cfs":11.9,"gage_height_ft":4.22},{"date":"2026-03-25","discharge_cfs":11.4,"gage_height_ft":4.21},{"date":"2026-03-24","discharge_cfs":13,"gage_height_ft":4.25},{"date":"2026-03-23","discharge_cfs":17.3,"gage_height_ft":4.35},{"date":"2026-03-22","discharge_cfs":22.1,"gage_height_ft":4.45},{"date":"2026-03-21","discharge_cfs":30.4,"gage_height_ft":4.6},{"date":"2026-03-20","discharge_cfs":37,"gage_height_ft":4.7},{"date":"2026-03-19","discharge_cfs":48.4,"gage_height_ft":4.86},{"date":"2026-03-18","discharge_cfs":68.5,"gage_height_ft":5.09},{"date":"2026-03-17","discharge_cfs":123,"gage_height_ft":5.58},{"date":"2026-03-16","discharge_cfs":371,"gage_height_ft":7.22},{"date":"2026-03-15","discharge_cfs":120,"gage_height_ft":5.27},{"date":"2026-03-14","discharge_cfs":36.2,"gage_height_ft":4.69},{"date":"2026-03-13","discharge_cfs":58.9,"gage_height_ft":4.99},{"date":"2026-03-12","discharge_cfs":118,"gage_height_ft":5.54},{"date":"2026-03-11","discharge_cfs":238,"gage_height_ft":6.44},{"date":"2026-03-10","discharge_cfs":34.9,"gage_height_ft":4.66},{"date":"2026-03-09","discharge_cfs":43.9,"gage_height_ft":4.8},{"date":"2026-03-08","discharge_cfs":81.9,"gage_height_ft":5.23},{"date":"2026-03-07","discharge_cfs":249,"gage_height_ft":6.47},{"date":"2026-03-06","discharge_cfs":109,"gage_height_ft":4.97}],"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)."}