{"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":"2026-10-29","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":50,"precipIn":0,"precipTrace":true,"tmax":20.56,"tmin":10,"precip":0,"issuedAt":"2026-10-30T06:33:00.000Z","productId":"iem:CDUS43-KLOT-300633:ORD:2026-10-29:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610300633"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-29T21:35:00.000Z","issuedLocal":"435 PM CDT THU OCT 29 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 292135","productId":"iem:CDUS43-KLOT-292135:ORD:2026-10-29:interim","source":"iem-afos","corrected":false,"tmaxF":69,"tmaxTimeLocal":"2:58 PM","tminF":62,"tminTimeLocal":"7:16 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610292135","parseProblems":[],"rawTextSha256":"95313db3d7d792f703b5ab06fca87306121ffbfe5d21bfad15de1e0be273cb93","rawText":"CDUS43 KLOT 292135\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n435 PM CDT THU OCT 29 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 29 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 2:58 PM 82 2024 57 12 57 \n MINIMUM 62 7:16 AM 19 1925 41 21 44 \n AVERAGE 66 49 17 51 \n\nPRECIPITATION (IN) \n TODAY T 1.19 1875 0.11 -0.11 0.00 \n MONTH TO DATE 2.54 3.23 -0.69 2.53 \n SINCE SEP 1 6.24 6.42 -0.18 3.02 \n SINCE JAN 1 37.21 33.13 4.08 25.47 \n\nSNOWFALL (IN) \n TODAY 0.0 1.2 1917 0.1 -0.1 0.0 \n MONTH TO DATE 0.0 0.2 -0.2 0.0 \n SINCE SEP 1 0.0 0.2 -0.2 0.0 \n SINCE JUL 1 0.0 0.2 -0.2 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n TODAY 0 16 -16 14 \n MONTH TO DATE 126 323 -197 225 \n SINCE SEP 1 153 400 -247 257 \n SINCE JUL 1 153 406 -253 262 \n\n COOLING \n TODAY 1 0 1 0 \n MONTH TO DATE 33 12 21 57 \n SINCE SEP 1 220 128 92 223 \n SINCE JAN 1 1146 1000 146 1215 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220) \n HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) \n AVERAGE WIND SPEED 10.6 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.8 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 68 12:00 PM \n LOWEST 45 3:00 PM \n AVERAGE 57 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 56 85 1950 \n MINIMUM TEMPERATURE (F) 40 21 1988 \n\n\nSUNRISE AND SUNSET \nOCTOBER 29 2026.......SUNRISE 7:21 AM CDT SUNSET 5:49 PM CDT \nOCTOBER 30 2026.......SUNRISE 7:22 AM CDT SUNSET 5:48 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":"2026-10-30T06:33:00.000Z","issuedLocal":"133 AM CDT FRI OCT 30 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 300633","productId":"iem:CDUS43-KLOT-300633:ORD:2026-10-29:final","source":"iem-afos","corrected":false,"tmaxF":69,"tmaxTimeLocal":"2:58 PM","tminF":50,"tminTimeLocal":"11:56 PM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610300633","parseProblems":[],"rawTextSha256":"989432bda696a409d7298cd1cdfa0d1119c2aca85aedc4b937d29575c9a75088","rawText":"CDUS43 KLOT 300633\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n133 AM CDT FRI OCT 30 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 29 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 2:58 PM 82 2024 57 12 57 \n MINIMUM 50 11:56 PM 19 1925 41 9 44 \n AVERAGE 60 49 11 51 \n\nPRECIPITATION (IN) \n YESTERDAY T 1.19 1875 0.11 -0.11 0.00 \n MONTH TO DATE 2.54 3.23 -0.69 2.53 \n SINCE SEP 1 6.24 6.42 -0.18 3.02 \n SINCE JAN 1 37.21 33.13 4.08 25.47 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 1.2 1917 0.1 -0.1 0.0 \n MONTH TO DATE 0.0 0.2 -0.2 0.0 \n SINCE SEP 1 0.0 0.2 -0.2 0.0 \n SINCE JUL 1 0.0 0.2 -0.2 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 5 16 -11 14 \n MONTH TO DATE 131 323 -192 225 \n SINCE SEP 1 158 400 -242 257 \n SINCE JUL 1 158 406 -248 262 \n\n COOLING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 32 12 20 57 \n SINCE SEP 1 219 128 91 223 \n SINCE JAN 1 1145 1000 145 1215 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220) \n HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) \n AVERAGE WIND SPEED 9.0 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.5 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 68 12:00 PM \n LOWEST 37 5:00 PM \n AVERAGE 53 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 56 85 1950 \n MINIMUM TEMPERATURE (F) 40 21 1988 \n\n\nSUNRISE AND SUNSET \nOCTOBER 30 2026.......SUNRISE 7:22 AM CDT SUNSET 5:48 PM CDT \nOCTOBER 31 2026.......SUNRISE 7:23 AM CDT SUNSET 5:47 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/2026-10-29","json":"https://weathermarket.io/api/nws-cli/KORD/2026-10-29"},"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."}}