{"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":"2026-09-26","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":69,"tminF":51,"precipIn":0,"precipTrace":false,"tmax":20.56,"tmin":10.56,"precip":0,"issuedAt":"2026-09-27T06:31:00.000Z","productId":"iem:CDUS43-KLOT-270631:ORD:2026-09-26:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609270631"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-09-26T21:35:00.000Z","issuedLocal":"435 PM CDT SAT SEP 26 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 262135","productId":"iem:CDUS43-KLOT-262135:ORD:2026-09-26:interim","source":"iem-afos","corrected":false,"tmaxF":69,"tmaxTimeLocal":"12:43 PM","tminF":51,"tminTimeLocal":"4:54 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609262135","parseProblems":[],"rawTextSha256":"9d411e289d14335dd4d9114ee6feb5d209a3c0f54d0ea3f713735a4d8dc69d4d","rawText":"CDUS43 KLOT 262135\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n435 PM CDT SAT SEP 26 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 26 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 69 12:43 PM 92 2017 72 -3 83 \n MINIMUM 51 4:54 AM 35 1928 53 -2 59 \n AVERAGE 60 62 -2 71 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.71 1933 0.10 -0.10 0.00 \n MONTH TO DATE 2.96 2.80 0.16 0.49 \n SINCE SEP 1 2.96 2.80 0.16 0.49 \n SINCE JAN 1 33.93 29.51 4.42 22.94 \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 5 5 0 0 \n MONTH TO DATE 21 54 -33 32 \n SINCE SEP 1 21 54 -33 32 \n SINCE JUL 1 21 60 -39 37 \n\n COOLING \n TODAY 0 2 -2 6 \n MONTH TO DATE 186 110 76 131 \n SINCE SEP 1 186 110 76 131 \n SINCE JAN 1 1112 982 130 1123 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100) \n HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90) \n AVERAGE WIND SPEED 4.0 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 89 3:00 AM \n LOWEST 45 2:00 PM \n AVERAGE 67 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 71 91 1971 \n MINIMUM TEMPERATURE (F) 53 31 1942 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 26 2026.....SUNRISE 6:43 AM CDT SUNSET 6:42 PM CDT \nSEPTEMBER 27 2026.....SUNRISE 6:44 AM CDT SUNSET 6:40 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":"2026-09-27T06:31:00.000Z","issuedLocal":"131 AM CDT SUN SEP 27 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 270631","productId":"iem:CDUS43-KLOT-270631:ORD:2026-09-26:final","source":"iem-afos","corrected":false,"tmaxF":69,"tmaxTimeLocal":"12:43 PM","tminF":51,"tminTimeLocal":"4:54 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609270631","parseProblems":[],"rawTextSha256":"e2e469b9befaf6156dcc2d6d5fb057897fa106f67d6dcefedc7cbc76b5ba9d04","rawText":"CDUS43 KLOT 270631\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n131 AM CDT SUN SEP 27 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 26 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 69 12:43 PM 92 2017 72 -3 83 \n MINIMUM 51 4:54 AM 35 1928 53 -2 59 \n AVERAGE 60 62 -2 71 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.71 1933 0.10 -0.10 0.00 \n MONTH TO DATE 2.96 2.80 0.16 0.49 \n SINCE SEP 1 2.96 2.80 0.16 0.49 \n SINCE JAN 1 33.93 29.51 4.42 22.94 \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 5 5 0 0 \n MONTH TO DATE 21 54 -33 32 \n SINCE SEP 1 21 54 -33 32 \n SINCE JUL 1 21 60 -39 37 \n\n COOLING \n YESTERDAY 0 2 -2 6 \n MONTH TO DATE 186 110 76 131 \n SINCE SEP 1 186 110 76 131 \n SINCE JAN 1 1112 982 130 1123 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60) \n HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90) \n AVERAGE WIND SPEED 4.4 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 89 3:00 AM \n LOWEST 45 2:00 PM \n AVERAGE 67 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 71 91 1971 \n MINIMUM TEMPERATURE (F) 53 31 1942 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 27 2026.....SUNRISE 6:44 AM CDT SUNSET 6:40 PM CDT \nSEPTEMBER 28 2026.....SUNRISE 6:45 AM CDT SUNSET 6:38 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/2026-09-26","json":"https://weathermarket.io/api/nws-cli/KORD/2026-09-26"},"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."}}