{"station":{"icao":"KORD","cliId":"ORD","pil":"CLIORD","city":{"slug":"chicago","name":"시카고","country":"United States"},"timezone":"America/Chicago","feed":"https://api.weather.gov/products/types/CLI/locations/ORD","html":"https://weathermarket.io/nws-cli/KORD","json":"https://weathermarket.io/api/nws-cli/KORD"},"stationToday":"2026-11-14","day":{"date":"2026-09-09","status":"issued","note":"Final CLI issued - values.nwsOfficial carries the official daily values (metric here; official.issued.asReported keeps the °F / inch / mph exactly as printed).","settlement":{"tmaxF":80,"tminF":71,"precipIn":0.06,"precipTrace":false,"tmax":26.67,"tmin":21.67,"precip":1.52,"issuedAt":"2026-09-10T06:39:00.000Z","productId":"iem:CDUS43-KLOT-100639:ORD:2026-09-09:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609100639"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-09-09T21:33:00.000Z","issuedLocal":"433 PM CDT WED SEP 09 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 092133","productId":"iem:CDUS43-KLOT-092133:ORD:2026-09-09:interim","source":"iem-afos","corrected":false,"tmaxF":80,"tmaxTimeLocal":"2:27 PM","tminF":71,"tminTimeLocal":"7:06 AM","precipIn":0.06,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609092133","parseProblems":[],"rawTextSha256":"10ab6efab12557db4869f7ba4735dd92248998578da5ac2651875aa8e873e4f4","rawText":"CDUS43 KLOT 092133\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n433 PM CDT WED SEP 09 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 9 2026...\nVALID TODAY AS OF 0400 PM LOCAL TIME.\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1871 TO 2026\n\n\nWEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST \n VALUE (LST) VALUE VALUE FROM YEAR \n NORMAL \n...................................................................\nTEMPERATURE (F) \n TODAY \n MAXIMUM 80 2:27 PM 95 1955 78 2 76 \n 1959 \n 1983 \n MINIMUM 71 7:06 AM 43 1986 60 11 53 \n AVERAGE 76 69 7 65 \n\nPRECIPITATION (IN) \n TODAY 0.06 3.44 1875 0.10 -0.04 0.00 \n MONTH TO DATE 0.06 1.02 -0.96 0.01 \n SINCE SEP 1 0.06 1.02 -0.96 0.01 \n SINCE JAN 1 31.03 27.73 3.30 22.46 \n\nSNOWFALL (IN) \n TODAY 0.0 0.0 MM 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.0 0.0 0.0 \n SINCE SEP 1 0.0 0.0 0.0 0.0 \n SINCE JUL 1 0.0 0.0 0.0 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n TODAY 0 1 -1 0 \n MONTH TO DATE 0 6 -6 32 \n SINCE SEP 1 0 6 -6 32 \n SINCE JUL 1 0 12 -12 37 \n\n COOLING \n TODAY 11 5 6 0 \n MONTH TO DATE 132 53 79 8 \n SINCE SEP 1 132 53 79 8 \n SINCE JAN 1 1058 925 133 1000 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) \n HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240) \n AVERAGE WIND SPEED 7.6 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 8:00 AM \n LOWEST 60 12:00 AM \n AVERAGE 77 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 78 95 1983 \n 2013 \n MINIMUM TEMPERATURE (F) 59 44 1943 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 9 2026.....SUNRISE 6:26 AM CDT SUNSET 7:11 PM CDT \nSEPTEMBER 10 2026.....SUNRISE 6:27 AM CDT SUNSET 7:10 PM CDT \n\n\n- INDICATES NEGATIVE NUMBERS.\nR INDICATES RECORD WAS SET OR TIED.\nMM INDICATES DATA IS MISSING.\nT INDICATES TRACE AMOUNT.\n\n\n\n\n$$"},{"kind":"final","asOfLocal":null,"issuedAt":"2026-09-10T06:39:00.000Z","issuedLocal":"139 AM CDT THU SEP 10 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 100639","productId":"iem:CDUS43-KLOT-100639:ORD:2026-09-09:final","source":"iem-afos","corrected":false,"tmaxF":80,"tmaxTimeLocal":"2:27 PM","tminF":71,"tminTimeLocal":"11:59 PM","precipIn":0.06,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609100639","parseProblems":[],"rawTextSha256":"8065b1f9517ad66a43650994fa00f50611e9e3217aac58efe0e5a00d5f9c6dc7","rawText":"CDUS43 KLOT 100639\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n139 AM CDT THU SEP 10 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 9 2026...\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1871 TO 2026\n\n\nWEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST \n VALUE (LST) VALUE VALUE FROM YEAR \n NORMAL \n...................................................................\nTEMPERATURE (F) \n YESTERDAY \n MAXIMUM 80 2:27 PM 95 1955 78 2 76 \n 1959 \n 1983 \n MINIMUM 71 11:59 PM 43 1986 60 11 53 \n AVERAGE 76 69 7 65 \n\nPRECIPITATION (IN) \n YESTERDAY 0.06 3.44 1875 0.10 -0.04 0.00 \n MONTH TO DATE 0.06 1.02 -0.96 0.01 \n SINCE SEP 1 0.06 1.02 -0.96 0.01 \n SINCE JAN 1 31.03 27.73 3.30 22.46 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.0 0.0 0.0 \n SINCE SEP 1 0.0 0.0 0.0 0.0 \n SINCE JUL 1 0.0 0.0 0.0 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 0 1 -1 0 \n MONTH TO DATE 0 6 -6 32 \n SINCE SEP 1 0 6 -6 32 \n SINCE JUL 1 0 12 -12 37 \n\n COOLING \n YESTERDAY 11 5 6 0 \n MONTH TO DATE 132 53 79 8 \n SINCE SEP 1 132 53 79 8 \n SINCE JAN 1 1058 925 133 1000 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) \n HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240) \n AVERAGE WIND SPEED 7.7 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 8:00 AM \n LOWEST 60 12:00 AM \n AVERAGE 77 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 78 95 1983 \n 2013 \n MINIMUM TEMPERATURE (F) 59 44 1943 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 10 2026.....SUNRISE 6:27 AM CDT SUNSET 7:10 PM CDT \nSEPTEMBER 11 2026.....SUNRISE 6:28 AM CDT SUNSET 7:08 PM CDT \n\n\n- INDICATES NEGATIVE NUMBERS.\nR INDICATES RECORD WAS SET OR TIED.\nMM INDICATES DATA IS MISSING.\nT INDICATES TRACE AMOUNT.\n\n\n\n\n$$"}],"html":"https://weathermarket.io/nws-cli/KORD/2026-09-09","json":"https://weathermarket.io/api/nws-cli/KORD/2026-09-09"},"about":{"product":"NWS Climatological Report (CLI): the daily climate summary issued by the local NWS forecast office from the station's 1-minute ASOS record, normally 1-3 hours after local midnight (final, 'YESTERDAY') and once during the day (interim, 'TODAY AS OF'). Corrections are re-issued under the same PIL with CORRECTED in the text.","settlementRule":"The settlement value for a date is the latest final CLI issued for that date; a corrected re-issue supersedes earlier issues. Interim same-day products never settle. This is the same rule that fills values.nwsOfficial in /api/station/{icao}/daily.","archive":"Every issue is stored verbatim as received - nothing is edited or re-derived. Products are held from 2026-09-01 (backfilled from the IEM AFOS archive) and ingested live from api.weather.gov since 2026-11-10, polled every 30 minutes. A date with no final CLI 14 hours after local midnight is reported as not_issued rather than filled in.","verify":["Each issue carries the NWS product id (api.weather.gov keeps products for a limited time) and a link to the IEM AFOS permanent archive of the same product.","rawTextSha256 is the SHA-256 of the stored product text; compare it with the text at either link to confirm nothing was altered.","Permalink pattern for market rules: https://weathermarket.io/nws-cli/KORD/YYYY-MM-DD (HTML) and https://weathermarket.io/api/nws-cli/KORD/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the final NWS Climatological Report (CLI) for station KORD for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KORD/YYYY-MM-DD with links to the NWS product and the IEM archive. A CORRECTED re-issue published before the settlement time supersedes earlier issues."}}