{"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":"2026-10-25","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":73,"tminF":52,"precipIn":0,"precipTrace":false,"tmax":22.78,"tmin":11.11,"precip":0,"issuedAt":"2026-10-26T06:32:00.000Z","productId":"iem:CDUS43-KLOT-260632:ORD:2026-10-25:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610260632"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-25T21:35:00.000Z","issuedLocal":"435 PM CDT SUN OCT 25 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 252135","productId":"iem:CDUS43-KLOT-252135:ORD:2026-10-25:interim","source":"iem-afos","corrected":false,"tmaxF":73,"tmaxTimeLocal":"2:59 PM","tminF":52,"tminTimeLocal":"4:34 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610252135","parseProblems":[],"rawTextSha256":"8fc043087b7f0184748ea3a67fc7f736c2db960965408bc2e8b84d6d29d67e18","rawText":"CDUS43 KLOT 252135\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n435 PM CDT SUN OCT 25 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 25 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 73 2:59 PM 79 1963 59 14 56 \n MINIMUM 52 4:34 AM 14 1887 42 10 36 \n AVERAGE 63 50 13 46 \n\nPRECIPITATION (IN) \n TODAY 0.00 1.94 1883 0.11 -0.11 0.00 \n MONTH TO DATE 2.54 2.79 -0.25 2.53 \n SINCE SEP 1 6.24 5.98 0.26 3.02 \n SINCE JAN 1 37.21 32.69 4.52 25.47 \n\nSNOWFALL (IN) \n TODAY 0.0 0.3 1962 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 2 15 -13 19 \n MONTH TO DATE 115 260 -145 172 \n SINCE SEP 1 142 337 -195 204 \n SINCE JUL 1 142 343 -201 209 \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 10 HIGHEST WIND DIRECTION S (200) \n HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200) \n AVERAGE WIND SPEED 5.7 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.7 \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 37 2:00 PM \n AVERAGE 54 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 58 84 1963 \n MINIMUM TEMPERATURE (F) 42 22 1887 \n 1942 \n\n\nSUNRISE AND SUNSET \nOCTOBER 25 2026.......SUNRISE 7:16 AM CDT SUNSET 5:55 PM CDT \nOCTOBER 26 2026.......SUNRISE 7:17 AM CDT SUNSET 5:53 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":"2026-10-26T06:32:00.000Z","issuedLocal":"132 AM CDT MON OCT 26 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 260632","productId":"iem:CDUS43-KLOT-260632:ORD:2026-10-25:final","source":"iem-afos","corrected":false,"tmaxF":73,"tmaxTimeLocal":"3:08 PM","tminF":52,"tminTimeLocal":"4:34 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202610260632","parseProblems":[],"rawTextSha256":"e2e035e7b4afbb5b753272b3d8ebb37ad64c58c5d4ac9ec3d5279d9dbf378adf","rawText":"CDUS43 KLOT 260632\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n132 AM CDT MON OCT 26 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 25 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 73 3:08 PM 79 1963 59 14 56 \n MINIMUM 52 4:34 AM 14 1887 42 10 36 \n AVERAGE 63 50 13 46 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 1.94 1883 0.11 -0.11 0.00 \n MONTH TO DATE 2.54 2.79 -0.25 2.53 \n SINCE SEP 1 6.24 5.98 0.26 3.02 \n SINCE JAN 1 37.21 32.69 4.52 25.47 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 0.3 1962 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 2 15 -13 19 \n MONTH TO DATE 115 260 -145 172 \n SINCE SEP 1 142 337 -195 204 \n SINCE JUL 1 142 343 -201 209 \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 10 HIGHEST WIND DIRECTION S (200) \n HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200) \n AVERAGE WIND SPEED 4.9 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.7 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 71 7:00 AM \n LOWEST 37 2:00 PM \n AVERAGE 54 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 58 84 1963 \n MINIMUM TEMPERATURE (F) 42 22 1887 \n 1942 \n\n\nSUNRISE AND SUNSET \nOCTOBER 26 2026.......SUNRISE 7:17 AM CDT SUNSET 5:53 PM CDT \nOCTOBER 27 2026.......SUNRISE 7:18 AM CDT SUNSET 5:52 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/2026-10-25","json":"https://weathermarket.io/api/nws-cli/KORD/2026-10-25"},"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."}}