{"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":"2026-11-13","day":{"date":"2026-10-20","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":82,"tminF":56,"precipIn":0,"precipTrace":false,"tmax":27.78,"tmin":13.33,"precip":0,"issuedAt":"2026-10-21T06:26:00.000Z","productId":"iem:CDUS44-KHGX-210626:IAH:2026-10-20:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610210626"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-20T21:21:00.000Z","issuedLocal":"421 PM CDT TUE OCT 20 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 202121","productId":"iem:CDUS44-KHGX-202121:IAH:2026-10-20:interim","source":"iem-afos","corrected":false,"tmaxF":82,"tmaxTimeLocal":"2:57 PM","tminF":56,"tminTimeLocal":"3:36 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610202121","parseProblems":[],"rawTextSha256":"fe8dfa18af667104d0e2605691c1733ec66b6c2fd0153ceb80d8aa3a98cac124","rawText":"CDUS44 KHGX 202121\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n421 PM CDT TUE OCT 20 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR OCTOBER 20 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 82 2:57 PM 93 2004 82 0 89 \n MINIMUM 56 3:36 AM 32 1989 60 -4 55 \n AVERAGE 69 71 -2 72 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.54 1993 0.19 -0.19 \n MONTH TO DATE 1.34 3.43 -2.09 \n SINCE SEP 1 2.25 8.14 -5.89 \n SINCE JAN 1 36.59 41.91 -5.32 \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 1 -1 0 \n MONTH TO DATE 4 4 0 0 \n SINCE SEP 1 4 4 0 0 \n SINCE JUL 1 4 4 0 0 \n\n COOLING \n TODAY 4 6 -2 7 \n MONTH TO DATE 259 183 76 281 \n SINCE SEP 1 862 648 214 788 \n SINCE JAN 1 3782 3133 649 3793 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80) \n AVERAGE WIND SPEED 5.1 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 86 \n LOWEST 32 \n AVERAGE 59 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 81 94 2025 \n MINIMUM TEMPERATURE (F) 59 33 1976 \n\n\nSUNRISE AND SUNSET \nOCTOBER 20 2026.......SUNRISE 7:27 AM CDT SUNSET 6:45 PM CDT \nOCTOBER 21 2026.......SUNRISE 7:27 AM CDT SUNSET 6:44 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":"2026-10-21T06:26:00.000Z","issuedLocal":"126 AM CDT WED OCT 21 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 210626","productId":"iem:CDUS44-KHGX-210626:IAH:2026-10-20:final","source":"iem-afos","corrected":false,"tmaxF":82,"tmaxTimeLocal":"3:58 PM","tminF":56,"tminTimeLocal":"3:36 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610210626","parseProblems":[],"rawTextSha256":"ba599f491e820ffc1d50e6d6ba5a881459ad1e898bcff610b1804afc89c823fa","rawText":"CDUS44 KHGX 210626\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n126 AM CDT WED OCT 21 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR OCTOBER 20 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 82 3:58 PM 93 2004 82 0 89 \n MINIMUM 56 3:36 AM 32 1989 60 -4 55 \n AVERAGE 69 71 -2 72 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.54 1993 0.19 -0.19 0.00 \n MONTH TO DATE 1.34 3.43 -2.09 T \n SINCE SEP 1 2.25 8.14 -5.89 1.21 \n SINCE JAN 1 36.59 41.91 -5.32 30.11 \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 1 -1 0 \n MONTH TO DATE 4 4 0 0 \n SINCE SEP 1 4 4 0 0 \n SINCE JUL 1 4 4 0 0 \n\n COOLING \n YESTERDAY 4 6 -2 7 \n MONTH TO DATE 259 183 76 281 \n SINCE SEP 1 862 648 214 788 \n SINCE JAN 1 3782 3133 649 3793 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80) \n AVERAGE WIND SPEED 4.6 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 86 \n LOWEST 32 \n AVERAGE 59 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 81 94 2025 \n MINIMUM TEMPERATURE (F) 59 33 1976 \n\n\nSUNRISE AND SUNSET \nOCTOBER 21 2026.......SUNRISE 7:27 AM CDT SUNSET 6:44 PM CDT \nOCTOBER 22 2026.......SUNRISE 7:28 AM CDT SUNSET 6:43 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/2026-10-20","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-10-20"},"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."}}