{"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":"2026-10-18","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":75,"tminF":50,"precipIn":0,"precipTrace":false,"tmax":23.89,"tmin":10,"precip":0,"issuedAt":"2026-10-19T06:30:00.000Z","productId":"iem:CDUS44-KHGX-190630:IAH:2026-10-18:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610190630"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-10-18T21:25:00.000Z","issuedLocal":"425 PM CDT SUN OCT 18 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 182125","productId":"iem:CDUS44-KHGX-182125:IAH:2026-10-18:interim","source":"iem-afos","corrected":false,"tmaxF":75,"tmaxTimeLocal":"2:56 PM","tminF":50,"tminTimeLocal":"6:31 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610182125","parseProblems":[],"rawTextSha256":"ad838dabb9e0f1a5fec4c4b0f87be737c646359e251fd36b650e1310a163cb5c","rawText":"CDUS44 KHGX 182125\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n425 PM CDT SUN OCT 18 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR OCTOBER 18 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 75 2:56 PM 96 1895 82 -7 94 \n MINIMUM 50 6:31 AM 39 1978 60 -10 72 \n AVERAGE 63 71 -8 83 \n\nPRECIPITATION (IN) \n TODAY 0.00 4.04 1998 0.20 -0.20 \n MONTH TO DATE 1.34 3.04 -1.70 \n SINCE SEP 1 2.25 7.75 -5.50 \n SINCE JAN 1 36.59 41.52 -4.93 \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 2 1 1 0 \n MONTH TO DATE 4 2 2 0 \n SINCE SEP 1 4 2 2 0 \n SINCE JUL 1 4 2 2 0 \n\n COOLING \n TODAY 0 7 -7 18 \n MONTH TO DATE 252 170 82 263 \n SINCE SEP 1 855 635 220 770 \n SINCE JAN 1 3775 3120 655 3775 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70) \n HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160) \n AVERAGE WIND SPEED 5.6 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 80 \n LOWEST 29 \n AVERAGE 55 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 82 94 2004 \n MINIMUM TEMPERATURE (F) 60 36 1989 \n\n\nSUNRISE AND SUNSET \nOCTOBER 18 2026.......SUNRISE 7:25 AM CDT SUNSET 6:47 PM CDT \nOCTOBER 19 2026.......SUNRISE 7:26 AM CDT SUNSET 6:46 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":"2026-10-19T06:30:00.000Z","issuedLocal":"130 AM CDT MON OCT 19 2026","office":"KHGX","wmoHeader":"CDUS44 KHGX 190630","productId":"iem:CDUS44-KHGX-190630:IAH:2026-10-18:final","source":"iem-afos","corrected":false,"tmaxF":75,"tmaxTimeLocal":"3:50 PM","tminF":50,"tminTimeLocal":"6:31 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIIAH&e=202610190630","parseProblems":[],"rawTextSha256":"9be7ba7639ba3c087b831725d36b3084bc2431226debaa54315f60812c60d032","rawText":"CDUS44 KHGX 190630\nCLIIAH\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX\n130 AM CDT MON OCT 19 2026\n\n...................................\n\n...THE HOUSTON INTERCONTINENTAL CLIMATE SUMMARY FOR OCTOBER 18 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 75 3:50 PM 96 1895 82 -7 94 \n MINIMUM 50 6:31 AM 39 1978 60 -10 72 \n AVERAGE 63 71 -8 83 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 4.04 1998 0.20 -0.20 0.00 \n MONTH TO DATE 1.34 3.04 -1.70 T \n SINCE SEP 1 2.25 7.75 -5.50 1.21 \n SINCE JAN 1 36.59 41.52 -4.93 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 2 1 1 0 \n MONTH TO DATE 4 2 2 0 \n SINCE SEP 1 4 2 2 0 \n SINCE JUL 1 4 2 2 0 \n\n COOLING \n YESTERDAY 0 7 -7 18 \n MONTH TO DATE 252 170 82 263 \n SINCE SEP 1 855 635 220 770 \n SINCE JAN 1 3775 3120 655 3775 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70) \n HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160) \n AVERAGE WIND SPEED 5.2 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 80 \n LOWEST 29 \n AVERAGE 55 \n\n..........................................................\n\n\nTHE HOUSTON INTERCONTINENTAL CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 82 94 2004 \n MINIMUM TEMPERATURE (F) 60 36 1989 \n\n\nSUNRISE AND SUNSET \nOCTOBER 19 2026.......SUNRISE 7:26 AM CDT SUNSET 6:46 PM CDT \nOCTOBER 20 2026.......SUNRISE 7:27 AM CDT SUNSET 6:45 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/2026-10-18","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-10-18"},"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."}}