{"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":"2026-09-10","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":77,"tminF":64,"precipIn":0,"precipTrace":false,"tmax":25,"tmin":17.78,"precip":0,"issuedAt":"2026-09-11T06:34:00.000Z","productId":"iem:CDUS43-KLOT-110634:ORD:2026-09-10:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609110634"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-09-10T21:42:00.000Z","issuedLocal":"442 PM CDT THU SEP 10 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 102142","productId":"iem:CDUS43-KLOT-102142:ORD:2026-09-10:interim","source":"iem-afos","corrected":false,"tmaxF":77,"tmaxTimeLocal":"2:53 PM","tminF":67,"tminTimeLocal":"6:58 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609102142","parseProblems":[],"rawTextSha256":"5968c0b1b939bace93af75c89f8b8d75a4bd0ab1a442c08f2ad1a35a9dd50f16","rawText":"CDUS43 KLOT 102142\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n442 PM CDT THU SEP 10 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 10 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 77 2:53 PM 95 1983 78 -1 82 \n 2013 \n MINIMUM 67 6:58 AM 44 1943 59 8 60 \n AVERAGE 72 69 3 71 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.48 1922 0.10 -0.10 0.00 \n MONTH TO DATE 0.06 1.12 -1.06 0.01 \n SINCE SEP 1 0.06 1.12 -1.06 0.01 \n SINCE JAN 1 31.03 27.83 3.20 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 7 -7 32 \n SINCE SEP 1 0 7 -7 32 \n SINCE JUL 1 0 13 -13 37 \n\n COOLING \n TODAY 7 5 2 6 \n MONTH TO DATE 139 58 81 14 \n SINCE SEP 1 139 58 81 14 \n SINCE JAN 1 1065 930 135 1006 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (50) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10) \n AVERAGE WIND SPEED 6.3 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 97 4:00 AM \n LOWEST 40 3:00 PM \n AVERAGE 69 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 77 95 1952 \n MINIMUM TEMPERATURE (F) 59 42 1993 \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$$"},{"kind":"final","asOfLocal":null,"issuedAt":"2026-09-11T06:34:00.000Z","issuedLocal":"134 AM CDT FRI SEP 11 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 110634","productId":"iem:CDUS43-KLOT-110634:ORD:2026-09-10:final","source":"iem-afos","corrected":false,"tmaxF":77,"tmaxTimeLocal":"4:03 PM","tminF":64,"tminTimeLocal":"11:59 PM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609110634","parseProblems":[],"rawTextSha256":"4e1a8d0a2e18f4e5dc554e2ca56a31c12fafdc66fab762ea8d86d5c33e5faf7d","rawText":"CDUS43 KLOT 110634\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n134 AM CDT FRI SEP 11 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 10 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 77 4:03 PM 95 1983 78 -1 82 \n 2013 \n MINIMUM 64 11:59 PM 44 1943 59 5 60 \n AVERAGE 71 69 2 71 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.48 1922 0.10 -0.10 0.00 \n MONTH TO DATE 0.06 1.12 -1.06 0.01 \n SINCE SEP 1 0.06 1.12 -1.06 0.01 \n SINCE JAN 1 31.03 27.83 3.20 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 7 -7 32 \n SINCE SEP 1 0 7 -7 32 \n SINCE JUL 1 0 13 -13 37 \n\n COOLING \n YESTERDAY 6 5 1 6 \n MONTH TO DATE 138 58 80 14 \n SINCE SEP 1 138 58 80 14 \n SINCE JAN 1 1064 930 134 1006 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10) \n AVERAGE WIND SPEED 5.7 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.6 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 97 4:00 AM \n LOWEST 40 3:00 PM \n AVERAGE 69 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 77 95 1952 \n MINIMUM TEMPERATURE (F) 59 42 1993 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 11 2026.....SUNRISE 6:28 AM CDT SUNSET 7:08 PM CDT \nSEPTEMBER 12 2026.....SUNRISE 6:29 AM CDT SUNSET 7:06 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/2026-09-10","json":"https://weathermarket.io/api/nws-cli/KORD/2026-09-10"},"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."}}