{"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":"2026-10-21","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":86,"tminF":62,"precipIn":0,"precipTrace":false,"tmax":30,"tmin":16.67,"precip":0,"issuedAt":"2026-10-22T06:25:00.000Z","productId":"iem:CDUS44-KHGX-220625:IAH:2026-10-21:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610220625"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-21T21:38:00.000Z","issuedLocal":"438 PM CDT WED OCT 21 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 212138","productId":"iem:CDUS44-KHGX-212138:IAH:2026-10-21:interim","source":"iem-afos","corrected":false,"tmaxF":86,"tmaxTimeLocal":"2:38 PM","tminF":64,"tminTimeLocal":"6:21 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610212138","parseProblems":[],"rawTextSha256":"c94b94ad9c0d96b00f6f5c3ab07ee0d32b1d19d3cd1fad32f4c4b89cac83458d","rawText":"CDUS44 KHGX 212138\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n438 PM CDT WED OCT 21 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR OCTOBER 21 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 86 2:38 PM 94 2025 81 5 94 \n MINIMUM 64 6:21 AM 33 1976 59 5 70 \n AVERAGE 75 70 5 82 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.40 1890 0.20 -0.20 \n MONTH TO DATE 1.34 3.63 -2.29 \n SINCE SEP 1 2.25 8.34 -6.09 \n SINCE JAN 1 36.59 42.11 -5.52 \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 5 -1 0 \n SINCE SEP 1 4 5 -1 0 \n SINCE JUL 1 4 5 -1 0 \n\n COOLING \n TODAY 10 6 4 17 \n MONTH TO DATE 269 189 80 298 \n SINCE SEP 1 872 654 218 805 \n SINCE JAN 1 3792 3139 653 3810 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80) \n HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (60) \n AVERAGE WIND SPEED 4.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 79 \n LOWEST 37 \n AVERAGE 58 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 81 91 2004 \n MINIMUM TEMPERATURE (F) 59 41 1898 \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$$"},{"kind":"final","asOfLocal":null,"issuedAt":"2026-10-22T06:25:00.000Z","issuedLocal":"125 AM CDT THU OCT 22 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 220625","productId":"iem:CDUS44-KHGX-220625:IAH:2026-10-21:final","source":"iem-afos","corrected":false,"tmaxF":86,"tmaxTimeLocal":"3:15 PM","tminF":62,"tminTimeLocal":"11:50 PM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610220625","parseProblems":[],"rawTextSha256":"1bdd7c1cb363d93a5ae633688d136aee1a5cc8a8ed8dcbc2a3ab63247e5189f0","rawText":"CDUS44 KHGX 220625\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n125 AM CDT THU OCT 22 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR OCTOBER 21 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 86 3:15 PM 94 2025 81 5 94 \n MINIMUM 62 11:50 PM 33 1976 59 3 70 \n AVERAGE 74 70 4 82 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.40 1890 0.20 -0.20 T \n MONTH TO DATE 1.34 3.63 -2.29 T \n SINCE SEP 1 2.25 8.34 -6.09 1.21 \n SINCE JAN 1 36.59 42.11 -5.52 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 5 -1 0 \n SINCE SEP 1 4 5 -1 0 \n SINCE JUL 1 4 5 -1 0 \n\n COOLING \n YESTERDAY 9 6 3 17 \n MONTH TO DATE 268 189 79 298 \n SINCE SEP 1 871 654 217 805 \n SINCE JAN 1 3791 3139 652 3810 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80) \n HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100) \n AVERAGE WIND SPEED 4.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 87 \n LOWEST 37 \n AVERAGE 62 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 81 91 2004 \n MINIMUM TEMPERATURE (F) 59 41 1898 \n\n\nSUNRISE AND SUNSET \nOCTOBER 22 2026.......SUNRISE 7:28 AM CDT SUNSET 6:43 PM CDT \nOCTOBER 23 2026.......SUNRISE 7:29 AM CDT SUNSET 6:42 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/2026-10-21","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-10-21"},"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."}}