{
 "station": {
  "id": 10965,
  "key": "usgs:04087440",
  "name": "Lake Michigan at Chicago Lock at Chicago",
  "kind": "lake",
  "waterway": "Lake Michigan",
  "country": "us",
  "region": "Illinois",
  "lat": 41.8892777777778,
  "lon": -87.6079444444444,
  "datum": "NAVD88",
  "datum_offset_m": null,
  "url": "https://waterdata.usgs.gov/monitoring-location/USGS-04087440/",
  "source": "U.S. Geological Survey",
  "license": "Public domain",
  "license_url": "https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits",
  "attribution": "Data: U.S. Geological Survey (USGS), provisional data subject to revision"
 },
 "series": [
  {
   "parameter": "stage",
   "unit": "m",
   "time": "2026-10-17T01:39:00.000Z",
   "value": 0.39928800000000003,
   "quality": "provisional"
  }
 ],
 "summary": {
  "status": "high",
  "basis": "climatology",
  "change24": 0.24384000000000003,
  "change7d": 0.25603200000000004
 }
}