{"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":"2026-11-14","day":{"date":"2026-09-07","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":81,"tminF":64,"precipIn":0,"precipTrace":false,"tmax":27.22,"tmin":17.78,"precip":0,"issuedAt":"2026-09-08T06:32:00.000Z","productId":"iem:CDUS43-KLOT-080632:ORD:2026-09-07:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609080632"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-09-07T21:35:00.000Z","issuedLocal":"435 PM CDT MON SEP 07 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 072135","productId":"iem:CDUS43-KLOT-072135:ORD:2026-09-07:interim","source":"iem-afos","corrected":false,"tmaxF":81,"tmaxTimeLocal":"1:31 PM","tminF":64,"tminTimeLocal":"5:49 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609072135","parseProblems":[],"rawTextSha256":"0792df8c13709f9a7d1dcb1e5706f842f380467baaa0d619aee64524c6801887","rawText":"CDUS43 KLOT 072135\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n435 PM CDT MON SEP 07 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 7 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 81 1:31 PM 100 1939 79 2 69 \n 1960 \n MINIMUM 64 5:49 AM 42 1986 61 3 47 \n AVERAGE 73 70 3 58 \n\nPRECIPITATION (IN) \n TODAY 0.00 1.79 1980 0.11 -0.11 0.00 \n MONTH TO DATE T 0.81 -0.81 0.01 \n SINCE SEP 1 T 0.81 -0.81 0.01 \n SINCE JAN 1 30.97 27.52 3.45 22.46 \n\nSNOWFALL (IN) \n TODAY 0.0 0.0 MM 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 1 -1 7 \n MONTH TO DATE 0 4 -4 28 \n SINCE SEP 1 0 4 -4 28 \n SINCE JUL 1 0 10 -10 33 \n\n COOLING \n TODAY 8 6 2 0 \n MONTH TO DATE 111 43 68 8 \n SINCE SEP 1 111 43 68 8 \n SINCE JAN 1 1037 915 122 1000 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) \n HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70) \n AVERAGE WIND SPEED 5.3 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.2 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 87 1:00 AM \n LOWEST 38 1:00 PM \n AVERAGE 63 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 78 96 1933 \n 1959 \n 1960 \n MINIMUM TEMPERATURE (F) 60 43 1986 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 7 2026.....SUNRISE 6:23 AM CDT SUNSET 7:15 PM CDT \nSEPTEMBER 8 2026.....SUNRISE 6:25 AM CDT SUNSET 7:13 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":"2026-09-08T06:32:00.000Z","issuedLocal":"132 AM CDT TUE SEP 08 2026","office":"KLOT","wmoHeader":"CDUS43 KLOT 080632","productId":"iem:CDUS43-KLOT-080632:ORD:2026-09-07:final","source":"iem-afos","corrected":false,"tmaxF":81,"tmaxTimeLocal":"1:31 PM","tminF":64,"tminTimeLocal":"5:49 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIORD&e=202609080632","parseProblems":[],"rawTextSha256":"b3564c2d011d2c7704c0fff4b53e175246724ff1e1377a4359b062067d0a25a0","rawText":"CDUS43 KLOT 080632\nCLIORD\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE CHICAGO IL\n132 AM CDT TUE SEP 08 2026\n\n...................................\n\n...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 7 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 81 1:31 PM 100 1939 79 2 69 \n 1960 \n MINIMUM 64 5:49 AM 42 1986 61 3 47 \n AVERAGE 73 70 3 58 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 1.79 1980 0.11 -0.11 0.00 \n MONTH TO DATE T 0.81 -0.81 0.01 \n SINCE SEP 1 T 0.81 -0.81 0.01 \n SINCE JAN 1 30.97 27.52 3.45 22.46 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 0.0 MM 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 1 -1 7 \n MONTH TO DATE 0 4 -4 28 \n SINCE SEP 1 0 4 -4 28 \n SINCE JUL 1 0 10 -10 33 \n\n COOLING \n YESTERDAY 8 6 2 0 \n MONTH TO DATE 111 43 68 8 \n SINCE SEP 1 111 43 68 8 \n SINCE JAN 1 1037 915 122 1000 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) \n HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70) \n AVERAGE WIND SPEED 6.0 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 87 1:00 AM \n LOWEST 38 1:00 PM \n AVERAGE 63 \n\n..........................................................\n\n\nTHE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 78 96 1933 \n 1959 \n 1960 \n MINIMUM TEMPERATURE (F) 60 43 1986 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 8 2026.....SUNRISE 6:25 AM CDT SUNSET 7:13 PM CDT \nSEPTEMBER 9 2026.....SUNRISE 6:26 AM CDT SUNSET 7:11 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$$"}],"html":"https://weathermarket.io/nws-cli/KORD/2026-09-07","json":"https://weathermarket.io/api/nws-cli/KORD/2026-09-07"},"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."}}