{"station":{"icao":"KIAH","cliId":"IAH","pil":"CLIIAH","city":{"slug":"houston","name":"휴스턴","country":"United States"},"timezone":"America/Chicago","feed":"https://api.weather.gov/products/types/CLI/locations/IAH","html":"https://weathermarket.io/nws-cli/KIAH","json":"https://weathermarket.io/api/nws-cli/KIAH"},"stationToday":"2026-11-14","day":{"date":"2026-09-17","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":90,"tminF":76,"precipIn":0,"precipTrace":false,"tmax":32.22,"tmin":24.44,"precip":0,"issuedAt":"2026-09-18T06:42:00.000Z","productId":"iem:CDUS44-KHGX-180642:IAH:2026-09-17:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202609180642"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-09-17T21:31:00.000Z","issuedLocal":"431 PM CDT THU SEP 17 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 172131","productId":"iem:CDUS44-KHGX-172131:IAH:2026-09-17:interim","source":"iem-afos","corrected":false,"tmaxF":90,"tmaxTimeLocal":"12:17 PM","tminF":79,"tminTimeLocal":"6:26 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202609172131","parseProblems":[],"rawTextSha256":"f275c0ab4d2644402e4ece2908aada6a2cd0b10fd1aabe0ad6d42a567dca37fa","rawText":"CDUS44 KHGX 172131\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n431 PM CDT THU SEP 17 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR SEPTEMBER 17 2026...\nVALID TODAY AS OF 0400 PM LOCAL TIME.\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1889 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 90 12:17 PM 100 1995 90 0 95 \n MINIMUM 79 6:26 AM 55 1903 70 9 72 \n 2000 \n AVERAGE 85 80 5 84 \n\nPRECIPITATION (IN) \n TODAY 0.00 1.85 1968 0.15 -0.15 \n MONTH TO DATE 0.91 2.87 -1.96 \n SINCE SEP 1 0.91 2.87 -1.96 \n SINCE JAN 1 35.25 36.64 -1.39 \n\nSNOWFALL (IN) \n TODAY 0.0 \n MONTH TO DATE 0.0 \n SINCE SEP 1 0.0 \n SINCE JUL 1 0.0 \n\nDEGREE DAYS \n HEATING \n TODAY 0 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE SEP 1 0 0 0 0 \n SINCE JUL 1 0 0 0 0 \n\n COOLING \n TODAY 20 15 5 19 \n MONTH TO DATE 350 288 62 294 \n SINCE SEP 1 350 288 62 294 \n SINCE JAN 1 3270 2773 497 3299 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) \n HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100) \n AVERAGE WIND SPEED 9.1 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 94 \n LOWEST 70 \n AVERAGE 82 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 90 99 1927 \n MINIMUM TEMPERATURE (F) 70 54 1903 \n 1981 \n 2000 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 17 2026.....SUNRISE 7:07 AM CDT SUNSET 7:24 PM CDT \nSEPTEMBER 18 2026.....SUNRISE 7:08 AM CDT SUNSET 7:23 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":"2026-09-18T06:42:00.000Z","issuedLocal":"142 AM CDT FRI SEP 18 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 180642","productId":"iem:CDUS44-KHGX-180642:IAH:2026-09-17:final","source":"iem-afos","corrected":false,"tmaxF":90,"tmaxTimeLocal":"12:17 PM","tminF":76,"tminTimeLocal":"11:59 PM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202609180642","parseProblems":[],"rawTextSha256":"6884efbc418a641951a195ad7209b6d56c1d87a126499b5f0a6a3dbf761f82ed","rawText":"CDUS44 KHGX 180642\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n142 AM CDT FRI SEP 18 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR SEPTEMBER 17 2026...\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1889 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 90 12:17 PM 100 1995 90 0 95 \n MINIMUM 76 11:59 PM 55 1903 70 6 72 \n 2000 \n AVERAGE 83 80 3 84 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 1.85 1968 0.15 -0.15 0.00 \n MONTH TO DATE 0.91 2.87 -1.96 0.78 \n SINCE SEP 1 0.91 2.87 -1.96 0.78 \n SINCE JAN 1 35.25 36.64 -1.39 29.68 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 \n MONTH TO DATE 0.0 \n SINCE SEP 1 0.0 \n SINCE JUL 1 0.0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE SEP 1 0 0 0 0 \n SINCE JUL 1 0 0 0 0 \n\n COOLING \n YESTERDAY 18 15 3 19 \n MONTH TO DATE 348 288 60 294 \n SINCE SEP 1 348 288 60 294 \n SINCE JAN 1 3268 2773 495 3299 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) \n HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100) \n AVERAGE WIND SPEED 7.8 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 94 \n LOWEST 61 \n AVERAGE 78 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 90 99 1927 \n MINIMUM TEMPERATURE (F) 70 54 1903 \n 1981 \n 2000 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 18 2026.....SUNRISE 7:08 AM CDT SUNSET 7:23 PM CDT \nSEPTEMBER 19 2026.....SUNRISE 7:08 AM CDT SUNSET 7:22 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/KIAH/2026-09-17","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-09-17"},"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/KIAH/YYYY-MM-DD (HTML) and https://weathermarket.io/api/nws-cli/KIAH/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the final NWS Climatological Report (CLI) for station KIAH for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KIAH/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."}}