{"site_no":"11180960","name":"Cull C above Cull C Reservoir near Castro Valley CA","slug":"cull-c-above-cull-c-reservoir-near-castro-valley-ca","url":"https://streamflowdata.com/stations/cull-c-above-cull-c-reservoir-near-castro-valley-ca","state":"CA","county":"Alameda County","lat":37.7176715,"lng":-122.0543673,"drainage_area_sqmi":5.79,"datum_ft":283.6,"huc_code":"18050004","river":null,"current":{"reading_time":"2026-05-29T23:50:00+00:00","discharge_cfs":0.28,"gage_height_ft":2.23},"flood_stage":null,"today_statistics":{"month":6,"day":11,"p10":0.01,"p25":0.02,"p50":0.13,"p75":0.49,"p95":1.2},"recent_daily_values":[{"date":"2026-05-28","discharge_cfs":0.42,"gage_height_ft":null},{"date":"2026-05-27","discharge_cfs":0.26,"gage_height_ft":null},{"date":"2026-05-26","discharge_cfs":0.26,"gage_height_ft":null},{"date":"2026-05-25","discharge_cfs":0.24,"gage_height_ft":null},{"date":"2026-05-24","discharge_cfs":0.24,"gage_height_ft":null},{"date":"2026-05-23","discharge_cfs":0.24,"gage_height_ft":null},{"date":"2026-05-22","discharge_cfs":0.24,"gage_height_ft":null},{"date":"2026-05-21","discharge_cfs":0.25,"gage_height_ft":null},{"date":"2026-05-20","discharge_cfs":0.25,"gage_height_ft":null},{"date":"2026-05-19","discharge_cfs":0.25,"gage_height_ft":null},{"date":"2026-05-18","discharge_cfs":0.26,"gage_height_ft":null},{"date":"2026-05-17","discharge_cfs":0.31,"gage_height_ft":null},{"date":"2026-05-16","discharge_cfs":0.32,"gage_height_ft":null},{"date":"2026-05-15","discharge_cfs":0.34,"gage_height_ft":null},{"date":"2026-04-20","discharge_cfs":1.21,"gage_height_ft":null},{"date":"2026-04-19","discharge_cfs":0.7,"gage_height_ft":null},{"date":"2026-04-18","discharge_cfs":0.76,"gage_height_ft":null},{"date":"2026-04-17","discharge_cfs":0.8,"gage_height_ft":null},{"date":"2026-04-16","discharge_cfs":0.99,"gage_height_ft":null},{"date":"2026-04-15","discharge_cfs":1.27,"gage_height_ft":null},{"date":"2026-04-14","discharge_cfs":1.64,"gage_height_ft":null},{"date":"2026-04-13","discharge_cfs":3.39,"gage_height_ft":null},{"date":"2026-04-12","discharge_cfs":7.33,"gage_height_ft":null},{"date":"2026-04-11","discharge_cfs":5.49,"gage_height_ft":null},{"date":"2026-04-10","discharge_cfs":1.13,"gage_height_ft":null},{"date":"2026-04-09","discharge_cfs":0.36,"gage_height_ft":null},{"date":"2026-04-08","discharge_cfs":0.38,"gage_height_ft":null},{"date":"2026-04-07","discharge_cfs":0.38,"gage_height_ft":null},{"date":"2026-04-06","discharge_cfs":0.39,"gage_height_ft":null},{"date":"2026-04-05","discharge_cfs":0.42,"gage_height_ft":null},{"date":"2026-04-04","discharge_cfs":0.44,"gage_height_ft":null},{"date":"2026-04-03","discharge_cfs":0.48,"gage_height_ft":null},{"date":"2026-04-02","discharge_cfs":0.95,"gage_height_ft":null},{"date":"2026-04-01","discharge_cfs":0.91,"gage_height_ft":null},{"date":"2026-03-31","discharge_cfs":0.63,"gage_height_ft":null},{"date":"2026-03-30","discharge_cfs":0.53,"gage_height_ft":null},{"date":"2026-03-29","discharge_cfs":0.55,"gage_height_ft":null},{"date":"2026-03-28","discharge_cfs":0.55,"gage_height_ft":null},{"date":"2026-03-27","discharge_cfs":0.58,"gage_height_ft":null},{"date":"2026-03-20","discharge_cfs":0.8,"gage_height_ft":null},{"date":"2026-03-19","discharge_cfs":0.81,"gage_height_ft":null},{"date":"2026-03-18","discharge_cfs":0.81,"gage_height_ft":null},{"date":"2026-03-17","discharge_cfs":0.87,"gage_height_ft":null},{"date":"2026-03-16","discharge_cfs":0.88,"gage_height_ft":null},{"date":"2026-03-15","discharge_cfs":0.93,"gage_height_ft":null},{"date":"2026-03-14","discharge_cfs":1.01,"gage_height_ft":null},{"date":"2026-03-13","discharge_cfs":1.05,"gage_height_ft":null},{"date":"2026-03-12","discharge_cfs":1.04,"gage_height_ft":null},{"date":"2026-03-11","discharge_cfs":1.03,"gage_height_ft":null},{"date":"2026-03-10","discharge_cfs":1.08,"gage_height_ft":null},{"date":"2026-03-09","discharge_cfs":1.2,"gage_height_ft":null},{"date":"2026-03-08","discharge_cfs":1.21,"gage_height_ft":null},{"date":"2026-03-07","discharge_cfs":1.18,"gage_height_ft":null},{"date":"2026-03-06","discharge_cfs":1.26,"gage_height_ft":null},{"date":"2026-03-05","discharge_cfs":1.34,"gage_height_ft":null},{"date":"2026-03-04","discharge_cfs":1.42,"gage_height_ft":null},{"date":"2026-03-03","discharge_cfs":1.51,"gage_height_ft":null},{"date":"2026-03-02","discharge_cfs":1.65,"gage_height_ft":null},{"date":"2026-03-01","discharge_cfs":1.67,"gage_height_ft":null},{"date":"2026-02-28","discharge_cfs":1.88,"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)."}