{"site_no":"05427085","name":"Rock River at Fort Atkinson, WI","slug":"rock-river-at-fort-atkinson-wi","url":"https://streamflowdata.com/stations/rock-river-at-fort-atkinson-wi","state":"WI","county":"Jefferson County","lat":42.9289722,"lng":-88.8395278,"drainage_area_sqmi":2240,"datum_ft":765.16,"huc_code":"07090002","river":{"name":"Rock River","slug":"rock-river-wi"},"current":{"reading_time":"2026-05-30T00:00:00+00:00","discharge_cfs":1710,"gage_height_ft":11.82},"flood_stage":{"action_stage_ft":14.5,"flood_stage_ft":16,"moderate_flood_ft":17,"major_flood_ft":18},"today_statistics":{"month":6,"day":11,"p10":476,"p25":1400,"p50":2100,"p75":2720,"p95":10900},"recent_daily_values":[{"date":"2026-05-28","discharge_cfs":1950,"gage_height_ft":null},{"date":"2026-05-27","discharge_cfs":2050,"gage_height_ft":null},{"date":"2026-05-26","discharge_cfs":2120,"gage_height_ft":null},{"date":"2026-05-25","discharge_cfs":2210,"gage_height_ft":null},{"date":"2026-05-24","discharge_cfs":2290,"gage_height_ft":null},{"date":"2026-05-23","discharge_cfs":2330,"gage_height_ft":null},{"date":"2026-05-22","discharge_cfs":2420,"gage_height_ft":null},{"date":"2026-05-21","discharge_cfs":2470,"gage_height_ft":null},{"date":"2026-05-20","discharge_cfs":2550,"gage_height_ft":null},{"date":"2026-05-19","discharge_cfs":2530,"gage_height_ft":null},{"date":"2026-05-18","discharge_cfs":2560,"gage_height_ft":null},{"date":"2026-05-17","discharge_cfs":2660,"gage_height_ft":null},{"date":"2026-05-16","discharge_cfs":2710,"gage_height_ft":null},{"date":"2026-05-15","discharge_cfs":2730,"gage_height_ft":null},{"date":"2026-04-20","discharge_cfs":9760,"gage_height_ft":null},{"date":"2026-04-19","discharge_cfs":10100,"gage_height_ft":null},{"date":"2026-04-18","discharge_cfs":9620,"gage_height_ft":null},{"date":"2026-04-17","discharge_cfs":8870,"gage_height_ft":null},{"date":"2026-04-16","discharge_cfs":8130,"gage_height_ft":null},{"date":"2026-04-15","discharge_cfs":6310,"gage_height_ft":null},{"date":"2026-04-14","discharge_cfs":4930,"gage_height_ft":null},{"date":"2026-04-13","discharge_cfs":4470,"gage_height_ft":null},{"date":"2026-04-12","discharge_cfs":4140,"gage_height_ft":null},{"date":"2026-04-11","discharge_cfs":4050,"gage_height_ft":null},{"date":"2026-04-10","discharge_cfs":4000,"gage_height_ft":null},{"date":"2026-04-09","discharge_cfs":3940,"gage_height_ft":null},{"date":"2026-04-08","discharge_cfs":3930,"gage_height_ft":null},{"date":"2026-04-07","discharge_cfs":4130,"gage_height_ft":null},{"date":"2026-04-06","discharge_cfs":4080,"gage_height_ft":null},{"date":"2026-04-05","discharge_cfs":3810,"gage_height_ft":null},{"date":"2026-04-04","discharge_cfs":3380,"gage_height_ft":null},{"date":"2026-04-03","discharge_cfs":3040,"gage_height_ft":null},{"date":"2026-04-02","discharge_cfs":2810,"gage_height_ft":null},{"date":"2026-04-01","discharge_cfs":2850,"gage_height_ft":null},{"date":"2026-03-31","discharge_cfs":2880,"gage_height_ft":null},{"date":"2026-03-30","discharge_cfs":2910,"gage_height_ft":null},{"date":"2026-03-29","discharge_cfs":2990,"gage_height_ft":null},{"date":"2026-03-28","discharge_cfs":3080,"gage_height_ft":null},{"date":"2026-03-27","discharge_cfs":3260,"gage_height_ft":null},{"date":"2026-03-26","discharge_cfs":3400,"gage_height_ft":null},{"date":"2026-03-25","discharge_cfs":3420,"gage_height_ft":null},{"date":"2026-03-24","discharge_cfs":3520,"gage_height_ft":null},{"date":"2026-03-23","discharge_cfs":3680,"gage_height_ft":null},{"date":"2026-03-22","discharge_cfs":3730,"gage_height_ft":null},{"date":"2026-03-21","discharge_cfs":3550,"gage_height_ft":null},{"date":"2026-03-20","discharge_cfs":3380,"gage_height_ft":null},{"date":"2026-03-19","discharge_cfs":3140,"gage_height_ft":null},{"date":"2026-03-18","discharge_cfs":3000,"gage_height_ft":null},{"date":"2026-03-17","discharge_cfs":2830,"gage_height_ft":null},{"date":"2026-03-16","discharge_cfs":3120,"gage_height_ft":null},{"date":"2026-03-15","discharge_cfs":2920,"gage_height_ft":null},{"date":"2026-03-14","discharge_cfs":2790,"gage_height_ft":null},{"date":"2026-03-13","discharge_cfs":2660,"gage_height_ft":null},{"date":"2026-03-12","discharge_cfs":2810,"gage_height_ft":null},{"date":"2026-03-11","discharge_cfs":2870,"gage_height_ft":null},{"date":"2026-03-10","discharge_cfs":2790,"gage_height_ft":null},{"date":"2026-03-09","discharge_cfs":2540,"gage_height_ft":null},{"date":"2026-03-08","discharge_cfs":2160,"gage_height_ft":null},{"date":"2025-11-27","discharge_cfs":700,"gage_height_ft":null},{"date":"2025-11-26","discharge_cfs":732,"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)."}