{"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":"2026-10-30","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":58,"tminF":44,"precipIn":0,"precipTrace":true,"tmax":14.44,"tmin":6.67,"precip":0,"issuedAt":"2026-10-31T06:32:00.000Z","productId":"iem:CDUS43-KLOT-310632:ORD:2026-10-30:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610310632"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-30T21:33:00.000Z","issuedLocal":"433 PM CDT FRI OCT 30 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 302133","productId":"iem:CDUS43-KLOT-302133:ORD:2026-10-30:interim","source":"iem-afos","corrected":false,"tmaxF":58,"tmaxTimeLocal":"12:19 PM","tminF":44,"tminTimeLocal":"2:59 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610302133","parseProblems":[],"rawTextSha256":"317e4ca33066d873f67d45055d9bf37093e36c15aceaefc80b0d73a2a5cd527a","rawText":"CDUS43 KLOT 302133\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n433 PM CDT FRI OCT 30 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 30 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 58 12:19 PM 85 1950 56 2 57 \n MINIMUM 44 2:59 AM 21 1988 40 4 41 \n AVERAGE 51 48 3 49 \n\nPRECIPITATION (IN) \n TODAY T 0.83 1919 0.10 -0.10 0.00 \n MONTH TO DATE 2.54 3.33 -0.79 2.53 \n SINCE SEP 1 6.24 6.52 -0.28 3.02 \n SINCE JAN 1 37.21 33.23 3.98 25.47 \n\nSNOWFALL (IN) \n TODAY 0.0 1.2 2019 0.0 0.0 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 14 17 -3 16 \n MONTH TO DATE 145 340 -195 241 \n SINCE SEP 1 172 417 -245 273 \n SINCE JUL 1 172 423 -251 278 \n\n COOLING \n TODAY 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 10 HIGHEST WIND DIRECTION E (80) \n HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (60) \n AVERAGE WIND SPEED 6.1 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.7 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 79 7:00 AM \n LOWEST 54 1:00 AM \n AVERAGE 67 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 56 84 1950 \n MINIMUM TEMPERATURE (F) 40 23 1873 \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$$"},{"kind":"final","asOfLocal":null,"issuedAt":"2026-10-31T06:32:00.000Z","issuedLocal":"132 AM CDT SAT OCT 31 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 310632","productId":"iem:CDUS43-KLOT-310632:ORD:2026-10-30:final","source":"iem-afos","corrected":false,"tmaxF":58,"tmaxTimeLocal":"12:19 PM","tminF":44,"tminTimeLocal":"2:59 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610310632","parseProblems":[],"rawTextSha256":"78b708e48cbd525bf9dacba1583e457c56a75e8caf32f1bf3e1bf676a77ab148","rawText":"CDUS43 KLOT 310632\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n132 AM CDT SAT OCT 31 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 30 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 58 12:19 PM 85 1950 56 2 57 \n MINIMUM 44 2:59 AM 21 1988 40 4 41 \n AVERAGE 51 48 3 49 \n\nPRECIPITATION (IN) \n YESTERDAY T 0.83 1919 0.10 -0.10 0.00 \n MONTH TO DATE 2.54 3.33 -0.79 2.53 \n SINCE SEP 1 6.24 6.52 -0.28 3.02 \n SINCE JAN 1 37.21 33.23 3.98 25.47 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 1.2 2019 0.0 0.0 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 14 17 -3 16 \n MONTH TO DATE 145 340 -195 241 \n SINCE SEP 1 172 417 -245 273 \n SINCE JUL 1 172 423 -251 278 \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 14 HIGHEST WIND DIRECTION NE (60) \n HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50) \n AVERAGE WIND SPEED 7.2 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.8 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 80 5:00 PM \n LOWEST 54 1:00 AM \n AVERAGE 67 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 56 84 1950 \n MINIMUM TEMPERATURE (F) 40 23 1873 \n\n\nSUNRISE AND SUNSET \nOCTOBER 31 2026.......SUNRISE 7:23 AM CDT SUNSET 5:47 PM CDT \nNOVEMBER 1 2026......SUNRISE 6:24 AM CST SUNSET 4:45 PM CST \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/2026-10-30","json":"https://weathermarket.io/api/nws-cli/KORD/2026-10-30"},"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."}}