{"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":"2026-11-13","day":{"date":"2026-10-23","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":71,"tminF":49,"precipIn":0,"precipTrace":false,"tmax":21.67,"tmin":9.44,"precip":0,"issuedAt":"2026-10-24T06:32:00.000Z","productId":"iem:CDUS43-KLOT-240632:ORD:2026-10-23:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610240632"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-23T21:35:00.000Z","issuedLocal":"435 PM CDT FRI OCT 23 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 232135","productId":"iem:CDUS43-KLOT-232135:ORD:2026-10-23:interim","source":"iem-afos","corrected":false,"tmaxF":71,"tmaxTimeLocal":"2:59 PM","tminF":49,"tminTimeLocal":"5:42 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610232135","parseProblems":[],"rawTextSha256":"2a079db7dc3c734e47ce0d739e560596c6ca977cd470730d86556468d0005559","rawText":"CDUS43 KLOT 232135\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n435 PM CDT FRI OCT 23 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 23 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 71 2:59 PM 85 1963 60 11 53 \n MINIMUM 49 5:42 AM 20 1981 43 6 38 \n AVERAGE 60 51 9 46 \n\nPRECIPITATION (IN) \n TODAY 0.00 1.40 1957 0.11 -0.11 0.00 \n MONTH TO DATE 2.54 2.57 -0.03 2.53 \n SINCE SEP 1 6.24 5.76 0.48 3.02 \n SINCE JAN 1 37.21 32.47 4.74 25.47 \n\nSNOWFALL (IN) \n TODAY 0.0 0.7 1929 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.1 -0.1 0.0 \n SINCE SEP 1 0.0 0.1 -0.1 0.0 \n SINCE JUL 1 0.0 0.1 -0.1 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n TODAY 5 14 -9 19 \n MONTH TO DATE 108 231 -123 132 \n SINCE SEP 1 135 308 -173 164 \n SINCE JUL 1 135 314 -179 169 \n\n COOLING \n TODAY 0 0 0 0 \n MONTH TO DATE 31 12 19 57 \n SINCE SEP 1 218 128 90 223 \n SINCE JAN 1 1144 1000 144 1215 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110) \n HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110) \n AVERAGE WIND SPEED 2.0 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.0 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n FOG \n HAZE \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 6:00 AM \n LOWEST 38 2:00 PM \n AVERAGE 66 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 59 83 1963 \n 2023 \n MINIMUM TEMPERATURE (F) 43 17 1981 \n\n\nSUNRISE AND SUNSET \nOCTOBER 23 2026.......SUNRISE 7:13 AM CDT SUNSET 5:58 PM CDT \nOCTOBER 24 2026.......SUNRISE 7:15 AM CDT SUNSET 5:56 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":"2026-10-24T06:32:00.000Z","issuedLocal":"132 AM CDT SAT OCT 24 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 240632","productId":"iem:CDUS43-KLOT-240632:ORD:2026-10-23:final","source":"iem-afos","corrected":false,"tmaxF":71,"tmaxTimeLocal":"3:24 PM","tminF":49,"tminTimeLocal":"5:42 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610240632","parseProblems":[],"rawTextSha256":"808c67ccaac026d2a5d68d68715ee0b58e45a2a72308d021d65a181d770067a2","rawText":"CDUS43 KLOT 240632\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n132 AM CDT SAT OCT 24 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 23 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 71 3:24 PM 85 1963 60 11 53 \n MINIMUM 49 5:42 AM 20 1981 43 6 38 \n AVERAGE 60 51 9 46 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 1.40 1957 0.11 -0.11 0.00 \n MONTH TO DATE 2.54 2.57 -0.03 2.53 \n SINCE SEP 1 6.24 5.76 0.48 3.02 \n SINCE JAN 1 37.21 32.47 4.74 25.47 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 0.7 1929 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.1 -0.1 0.0 \n SINCE SEP 1 0.0 0.1 -0.1 0.0 \n SINCE JUL 1 0.0 0.1 -0.1 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 5 14 -9 19 \n MONTH TO DATE 108 231 -123 132 \n SINCE SEP 1 135 308 -173 164 \n SINCE JUL 1 135 314 -179 169 \n\n COOLING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 31 12 19 57 \n SINCE SEP 1 218 128 90 223 \n SINCE JAN 1 1144 1000 144 1215 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90) \n HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (90) \n AVERAGE WIND SPEED 3.6 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.2 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n FOG \n HAZE \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 6:00 AM \n LOWEST 38 2:00 PM \n AVERAGE 66 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 59 83 1963 \n 2023 \n MINIMUM TEMPERATURE (F) 43 17 1981 \n\n\nSUNRISE AND SUNSET \nOCTOBER 24 2026.......SUNRISE 7:15 AM CDT SUNSET 5:56 PM CDT \nOCTOBER 25 2026.......SUNRISE 7:16 AM CDT SUNSET 5:55 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/2026-10-23","json":"https://weathermarket.io/api/nws-cli/KORD/2026-10-23"},"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."}}