{"site_no":"15564900","name":"Koyukuk River at Hughes AK","slug":"koyukuk-river-at-hughes-ak","url":"https://streamflowdata.com/stations/koyukuk-river-at-hughes-ak","state":"AK","county":"Yukon-Koyukuk Census Area","lat":66.046983,"lng":-154.2610644,"drainage_area_sqmi":17990,"datum_ft":231.6,"huc_code":"19090108","river":{"name":"Koyukuk River","slug":"koyukuk-river-ak"},"current":{"reading_time":"2026-05-30T00:30:00+00:00","discharge_cfs":55200,"gage_height_ft":53.17},"flood_stage":{"action_stage_ft":62,"flood_stage_ft":64,"moderate_flood_ft":67,"major_flood_ft":70},"today_statistics":{"month":6,"day":11,"p10":14100,"p25":35700,"p50":55700,"p75":100000,"p95":156000},"recent_daily_values":[{"date":"2026-05-29","discharge_cfs":55500,"gage_height_ft":null},{"date":"2026-05-28","discharge_cfs":55700,"gage_height_ft":null},{"date":"2026-05-27","discharge_cfs":56600,"gage_height_ft":null},{"date":"2026-05-26","discharge_cfs":60000,"gage_height_ft":null},{"date":"2026-05-25","discharge_cfs":66300,"gage_height_ft":null},{"date":"2026-05-24","discharge_cfs":65100,"gage_height_ft":null},{"date":"2026-05-23","discharge_cfs":57600,"gage_height_ft":null},{"date":"2026-05-22","discharge_cfs":54400,"gage_height_ft":null},{"date":"2026-05-21","discharge_cfs":52000,"gage_height_ft":null},{"date":"2026-05-20","discharge_cfs":52000,"gage_height_ft":null},{"date":"2026-02-26","discharge_cfs":192000,"gage_height_ft":null},{"date":"2026-02-25","discharge_cfs":187000,"gage_height_ft":null},{"date":"2026-02-24","discharge_cfs":181000,"gage_height_ft":null},{"date":"2026-02-23","discharge_cfs":175000,"gage_height_ft":null},{"date":"2026-02-22","discharge_cfs":169000,"gage_height_ft":null},{"date":"2026-02-21","discharge_cfs":163000,"gage_height_ft":null},{"date":"2026-02-20","discharge_cfs":157000,"gage_height_ft":null},{"date":"2026-02-19","discharge_cfs":151000,"gage_height_ft":null},{"date":"2026-02-18","discharge_cfs":145000,"gage_height_ft":null},{"date":"2026-02-17","discharge_cfs":139000,"gage_height_ft":null},{"date":"2026-02-16","discharge_cfs":133000,"gage_height_ft":null},{"date":"2026-02-15","discharge_cfs":127000,"gage_height_ft":null},{"date":"2026-02-14","discharge_cfs":121000,"gage_height_ft":null},{"date":"2026-02-13","discharge_cfs":115000,"gage_height_ft":null},{"date":"2026-02-12","discharge_cfs":109000,"gage_height_ft":null},{"date":"2026-02-11","discharge_cfs":103000,"gage_height_ft":null},{"date":"2026-02-10","discharge_cfs":96600,"gage_height_ft":null},{"date":"2026-02-09","discharge_cfs":90500,"gage_height_ft":null},{"date":"2026-02-08","discharge_cfs":84400,"gage_height_ft":null},{"date":"2026-02-07","discharge_cfs":78400,"gage_height_ft":null},{"date":"2026-02-06","discharge_cfs":72300,"gage_height_ft":null},{"date":"2026-02-05","discharge_cfs":66300,"gage_height_ft":null},{"date":"2026-02-04","discharge_cfs":60200,"gage_height_ft":null},{"date":"2026-02-03","discharge_cfs":54100,"gage_height_ft":null},{"date":"2026-02-02","discharge_cfs":48100,"gage_height_ft":null},{"date":"2026-02-01","discharge_cfs":42000,"gage_height_ft":null},{"date":"2026-01-31","discharge_cfs":36000,"gage_height_ft":null},{"date":"2026-01-30","discharge_cfs":29900,"gage_height_ft":null},{"date":"2026-01-29","discharge_cfs":23800,"gage_height_ft":null},{"date":"2026-01-28","discharge_cfs":17800,"gage_height_ft":null},{"date":"2026-01-27","discharge_cfs":11700,"gage_height_ft":null},{"date":"2026-01-26","discharge_cfs":5670,"gage_height_ft":null},{"date":"2026-01-25","discharge_cfs":1470,"gage_height_ft":null},{"date":"2026-01-24","discharge_cfs":1330,"gage_height_ft":null},{"date":"2026-01-23","discharge_cfs":1340,"gage_height_ft":null},{"date":"2026-01-22","discharge_cfs":1360,"gage_height_ft":null},{"date":"2026-01-21","discharge_cfs":1380,"gage_height_ft":null},{"date":"2026-01-20","discharge_cfs":1400,"gage_height_ft":null},{"date":"2026-01-19","discharge_cfs":1410,"gage_height_ft":null},{"date":"2026-01-18","discharge_cfs":1420,"gage_height_ft":null},{"date":"2026-01-17","discharge_cfs":1430,"gage_height_ft":null},{"date":"2026-01-16","discharge_cfs":1440,"gage_height_ft":null},{"date":"2026-01-15","discharge_cfs":1450,"gage_height_ft":null},{"date":"2026-01-14","discharge_cfs":1460,"gage_height_ft":null},{"date":"2026-01-13","discharge_cfs":1480,"gage_height_ft":null},{"date":"2026-01-12","discharge_cfs":1500,"gage_height_ft":null},{"date":"2026-01-11","discharge_cfs":1530,"gage_height_ft":null},{"date":"2026-01-10","discharge_cfs":1540,"gage_height_ft":null},{"date":"2026-01-09","discharge_cfs":1550,"gage_height_ft":null},{"date":"2026-01-08","discharge_cfs":1560,"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)."}