{"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":"2026-10-13","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":80,"tminF":65,"precipIn":0.11,"precipTrace":false,"tmax":26.67,"tmin":18.33,"precip":2.79,"issuedAt":"2026-10-14T06:33:00.000Z","productId":"iem:CDUS43-KLOT-140633:ORD:2026-10-13:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610140633"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-13T21:35:00.000Z","issuedLocal":"435 PM CDT TUE OCT 13 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 132135","productId":"iem:CDUS43-KLOT-132135:ORD:2026-10-13:interim","source":"iem-afos","corrected":false,"tmaxF":80,"tmaxTimeLocal":"2:38 PM","tminF":70,"tminTimeLocal":"7:02 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610132135","parseProblems":[],"rawTextSha256":"47aea533bb95aae8c1cb9af18a7d3b889844f51371d66ead7d24ebd42ea258f4","rawText":"CDUS43 KLOT 132135\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n435 PM CDT TUE OCT 13 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 13 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 80 2:38 PM 88 1975 64 16 68 \n MINIMUM 70 7:02 AM 25 1988 46 24 55 \n AVERAGE 75 55 20 62 \n\nPRECIPITATION (IN) \n TODAY 0.00 3.79 2001 0.11 -0.11 0.00 \n MONTH TO DATE 1.41 1.46 -0.05 1.36 \n SINCE SEP 1 5.11 4.65 0.46 1.85 \n SINCE JAN 1 36.08 31.36 4.72 24.30 \n\nSNOWFALL (IN) \n TODAY 0.0 T 1986 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 10 -10 3 \n MONTH TO DATE 26 108 -82 47 \n SINCE SEP 1 53 185 -132 79 \n SINCE JUL 1 53 191 -138 84 \n\n COOLING \n TODAY 10 0 10 0 \n MONTH TO DATE 33 12 21 55 \n SINCE SEP 1 220 128 92 221 \n SINCE JAN 1 1146 1000 146 1213 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260) \n HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260) \n AVERAGE WIND SPEED 9.9 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.3 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 71 7:00 AM \n LOWEST 48 2:00 PM \n AVERAGE 60 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 64 89 1975 \n MINIMUM TEMPERATURE (F) 46 27 1872 \n\n\nSUNRISE AND SUNSET \nOCTOBER 13 2026.......SUNRISE 7:02 AM CDT SUNSET 6:13 PM CDT \nOCTOBER 14 2026.......SUNRISE 7:03 AM CDT SUNSET 6:11 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":"2026-10-14T06:33:00.000Z","issuedLocal":"133 AM CDT WED OCT 14 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 140633","productId":"iem:CDUS43-KLOT-140633:ORD:2026-10-13:final","source":"iem-afos","corrected":false,"tmaxF":80,"tmaxTimeLocal":"2:38 PM","tminF":65,"tminTimeLocal":"11:59 PM","precipIn":0.11,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610140633","parseProblems":[],"rawTextSha256":"1006cb2c72100a891d2c0a0cec071a75606a21a294714a82fbb1aca540188472","rawText":"CDUS43 KLOT 140633\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n133 AM CDT WED OCT 14 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 13 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 80 2:38 PM 88 1975 64 16 68 \n MINIMUM 65 11:59 PM 25 1988 46 19 55 \n AVERAGE 73 55 18 62 \n\nPRECIPITATION (IN) \n YESTERDAY 0.11 3.79 2001 0.11 0.00 0.00 \n MONTH TO DATE 1.52 1.46 0.06 1.36 \n SINCE SEP 1 5.22 4.65 0.57 1.85 \n SINCE JAN 1 36.19 31.36 4.83 24.30 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 T 1986 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 10 -10 3 \n MONTH TO DATE 26 108 -82 47 \n SINCE SEP 1 53 185 -132 79 \n SINCE JUL 1 53 191 -138 84 \n\n COOLING \n YESTERDAY 8 0 8 0 \n MONTH TO DATE 31 12 19 55 \n SINCE SEP 1 218 128 90 221 \n SINCE JAN 1 1144 1000 144 1213 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330) \n HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (340) \n AVERAGE WIND SPEED 7.7 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.5 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n THUNDERSTORM \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 11:00 PM \n LOWEST 48 2:00 PM \n AVERAGE 71 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 64 89 1975 \n MINIMUM TEMPERATURE (F) 46 27 1872 \n\n\nSUNRISE AND SUNSET \nOCTOBER 14 2026.......SUNRISE 7:03 AM CDT SUNSET 6:11 PM CDT \nOCTOBER 15 2026.......SUNRISE 7:04 AM CDT SUNSET 6:10 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/2026-10-13","json":"https://weathermarket.io/api/nws-cli/KORD/2026-10-13"},"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."}}