{"site_no":"06442900","name":"Elm Creek Near Gann Valley SD","slug":"elm-creek-near-gann-valley-sd","url":"https://streamflowdata.com/stations/elm-creek-near-gann-valley-sd","state":"SD","county":"Buffalo County","lat":44.0774609,"lng":-99.1510976,"drainage_area_sqmi":378,"datum_ft":1601,"huc_code":"101401050306","river":{"name":"Elm Creek","slug":"elm-creek-sd"},"current":{"reading_time":"2026-05-30T00:45:00+00:00","discharge_cfs":0.2,"gage_height_ft":2.74},"flood_stage":{"action_stage_ft":12,"flood_stage_ft":14,"moderate_flood_ft":21,"major_flood_ft":24},"today_statistics":{"month":6,"day":11,"p10":0.02,"p25":0.23,"p50":3.7,"p75":27,"p95":133},"recent_daily_values":[{"date":"2026-05-28","discharge_cfs":0.22,"gage_height_ft":2.77},{"date":"2026-05-27","discharge_cfs":0.25,"gage_height_ft":2.81},{"date":"2026-05-26","discharge_cfs":0.72,"gage_height_ft":2.91},{"date":"2026-05-25","discharge_cfs":1.09,"gage_height_ft":2.95},{"date":"2026-05-24","discharge_cfs":0.8,"gage_height_ft":2.89},{"date":"2026-05-23","discharge_cfs":0.24,"gage_height_ft":2.81},{"date":"2026-05-22","discharge_cfs":0.26,"gage_height_ft":2.83},{"date":"2026-05-21","discharge_cfs":0.26,"gage_height_ft":2.84},{"date":"2026-05-20","discharge_cfs":0.51,"gage_height_ft":2.89},{"date":"2026-05-19","discharge_cfs":0.44,"gage_height_ft":2.87},{"date":"2026-05-18","discharge_cfs":0.28,"gage_height_ft":2.84},{"date":"2026-05-17","discharge_cfs":0.27,"gage_height_ft":2.83},{"date":"2026-05-16","discharge_cfs":0.24,"gage_height_ft":2.8},{"date":"2026-05-15","discharge_cfs":0.25,"gage_height_ft":2.82},{"date":"2026-04-20","discharge_cfs":3.12,"gage_height_ft":3.1},{"date":"2026-04-19","discharge_cfs":3.92,"gage_height_ft":3.14},{"date":"2026-04-18","discharge_cfs":4.23,"gage_height_ft":3.15},{"date":"2026-04-17","discharge_cfs":4,"gage_height_ft":3.14},{"date":"2026-04-16","discharge_cfs":4.57,"gage_height_ft":3.17},{"date":"2026-04-15","discharge_cfs":5.35,"gage_height_ft":3.21},{"date":"2026-04-14","discharge_cfs":6.11,"gage_height_ft":3.24},{"date":"2026-04-13","discharge_cfs":6.48,"gage_height_ft":3.26},{"date":"2026-04-12","discharge_cfs":7.72,"gage_height_ft":3.3},{"date":"2026-04-11","discharge_cfs":8.07,"gage_height_ft":3.32},{"date":"2026-04-10","discharge_cfs":9.41,"gage_height_ft":3.37},{"date":"2026-04-09","discharge_cfs":9.63,"gage_height_ft":3.38},{"date":"2026-04-08","discharge_cfs":8.81,"gage_height_ft":3.34},{"date":"2026-04-07","discharge_cfs":8.76,"gage_height_ft":3.34},{"date":"2026-04-06","discharge_cfs":8.49,"gage_height_ft":3.33},{"date":"2026-04-05","discharge_cfs":7.76,"gage_height_ft":3.31},{"date":"2026-04-04","discharge_cfs":7.15,"gage_height_ft":3.28},{"date":"2026-04-03","discharge_cfs":7.03,"gage_height_ft":3.28},{"date":"2026-04-02","discharge_cfs":6.5,"gage_height_ft":3.26},{"date":"2026-04-01","discharge_cfs":6.24,"gage_height_ft":3.25},{"date":"2026-03-31","discharge_cfs":5.81,"gage_height_ft":3.23},{"date":"2026-03-30","discharge_cfs":6.22,"gage_height_ft":3.25},{"date":"2026-03-29","discharge_cfs":6.84,"gage_height_ft":3.27},{"date":"2026-03-28","discharge_cfs":6.61,"gage_height_ft":3.26},{"date":"2026-03-27","discharge_cfs":7.92,"gage_height_ft":3.31},{"date":"2026-03-26","discharge_cfs":7.56,"gage_height_ft":3.3},{"date":"2026-03-25","discharge_cfs":8.28,"gage_height_ft":3.32},{"date":"2026-03-24","discharge_cfs":8.19,"gage_height_ft":3.32},{"date":"2026-03-23","discharge_cfs":8.14,"gage_height_ft":3.32},{"date":"2026-03-22","discharge_cfs":8.79,"gage_height_ft":3.35},{"date":"2026-03-21","discharge_cfs":7.98,"gage_height_ft":3.31},{"date":"2026-03-20","discharge_cfs":6.64,"gage_height_ft":3.26},{"date":"2026-03-19","discharge_cfs":6.5,"gage_height_ft":3.26},{"date":"2026-03-18","discharge_cfs":null,"gage_height_ft":3.25},{"date":"2026-03-14","discharge_cfs":null,"gage_height_ft":3.25},{"date":"2026-03-13","discharge_cfs":null,"gage_height_ft":3.23},{"date":"2026-03-12","discharge_cfs":null,"gage_height_ft":3.19},{"date":"2026-03-11","discharge_cfs":null,"gage_height_ft":3.21},{"date":"2026-03-10","discharge_cfs":null,"gage_height_ft":3.2},{"date":"2026-03-09","discharge_cfs":null,"gage_height_ft":3.23},{"date":"2026-03-08","discharge_cfs":null,"gage_height_ft":3.21},{"date":"2026-03-07","discharge_cfs":null,"gage_height_ft":3.27},{"date":"2026-03-06","discharge_cfs":null,"gage_height_ft":3.22},{"date":"2026-03-05","discharge_cfs":null,"gage_height_ft":3.13},{"date":"2026-03-04","discharge_cfs":null,"gage_height_ft":3.23},{"date":"2026-03-03","discharge_cfs":null,"gage_height_ft":3.29}],"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)."}