{"station":{"icao":"KSEA","cliId":"SEA","pil":"CLISEA","city":{"slug":"seattle","name":"시애틀","country":"United States"},"timezone":"America/Los_Angeles","feed":"https://api.weather.gov/products/types/CLI/locations/SEA","html":"https://weathermarket.io/nws-cli/KSEA","json":"https://weathermarket.io/api/nws-cli/KSEA"},"stationToday":"2026-11-13","day":{"date":"2026-10-06","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":66,"tminF":52,"precipIn":0,"precipTrace":false,"tmax":18.89,"tmin":11.11,"precip":0,"issuedAt":"2026-10-07T08:26:00.000Z","productId":"iem:CDUS46-KSEW-070826:SEA:2026-10-06:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISEA&e=202610070826"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-07T01:16:00.000Z","issuedLocal":"616 PM PDT TUE OCT 06 2026","office":"KSEW","wmoHeader":"CDUS46 KSEW 070116","productId":"iem:CDUS46-KSEW-070116:SEA:2026-10-06:interim","source":"iem-afos","corrected":false,"tmaxF":66,"tmaxTimeLocal":"412 PM","tminF":53,"tminTimeLocal":"647 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISEA&e=202610070116","parseProblems":[],"rawTextSha256":"cc2a9b4a7b679284f98e900697e2e502dbbd5b3b7eb6ee1c3ab84ad3c225e4d7","rawText":"CDUS46 KSEW 070116\nCLISEA\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SEATTLE\n616 PM PDT TUE OCT 06 2026\n\n...................................\n\n...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 2026...\nVALID TODAY AS OF 0500 PM LOCAL TIME.\n\nCLIMATE NORMAL PERIOD 1991 TO 2020\nCLIMATE RECORD PERIOD 1945 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 66 412 PM 78 1952 64 2 70 \n 2014 \n MINIMUM 53 647 AM 37 1946 49 4 46 \n 1955 \n AVERAGE 60 57 3 58 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.72 1981 0.10 -0.10 0.00 \n MONTH TO DATE 0.00 0.52 -0.52 0.30 \n SINCE OCT 1 0.00 0.52 -0.52 0.30 \n SINCE JAN 1 21.59 23.92 -2.33 16.57 \n\nSNOWFALL (IN) \n TODAY 0.0 MM MM 0.0 \n MONTH TO DATE 0.0 0.0 \n SINCE OCT 1 0.0 0.0 \n SINCE JUL 1 0.0 0.0 \n SNOW DEPTH 0 \n\nDEGREE DAYS \n HEATING \n TODAY 5 8 -3 7 \n MONTH TO DATE 27 45 -18 36 \n SINCE SEP 1 160 147 13 87 \n SINCE JUL 1 185 202 -17 111 \n\n COOLING \n TODAY 0 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE SEP 1 2 30 -28 34 \n SINCE JAN 1 267 263 4 328 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (360) \n HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350) \n HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360) \n AVERAGE WIND SPEED 7.6 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 97 400 AM \n LOWEST 58 100 PM \n AVERAGE 78 \n\n..........................................................\n\n\nTHE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 64 79 2023 \n MINIMUM TEMPERATURE (F) 49 37 1983 \n\n\nSUNRISE AND SUNSET \nOCTOBER 6 2026.......SUNRISE 715 AM PDT SUNSET 638 PM PDT \nOCTOBER 7 2026.......SUNRISE 717 AM PDT SUNSET 636 PM PDT \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":"2026-10-07T08:26:00.000Z","issuedLocal":"126 AM PDT WED OCT 07 2026","office":"KSEW","wmoHeader":"CDUS46 KSEW 070826","productId":"iem:CDUS46-KSEW-070826:SEA:2026-10-06:final","source":"iem-afos","corrected":false,"tmaxF":66,"tmaxTimeLocal":"412 PM","tminF":52,"tminTimeLocal":"1002 PM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISEA&e=202610070826","parseProblems":[],"rawTextSha256":"55aa46c653fa6aa5f60c2570e82a98dbf222e7de9323ff8c6b611c47df030c93","rawText":"CDUS46 KSEW 070826\nCLISEA\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SEATTLE\n126 AM PDT WED OCT 07 2026\n\n...................................\n\n...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 2026...\n\nCLIMATE NORMAL PERIOD 1991 TO 2020\nCLIMATE RECORD PERIOD 1945 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 66 412 PM 78 1952 64 2 70 \n 2014 \n MINIMUM 52 1002 PM 37 1946 49 3 46 \n 1955 \n AVERAGE 59 57 2 58 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.72 1981 0.10 -0.10 0.00 \n MONTH TO DATE 0.00 0.52 -0.52 0.30 \n SINCE OCT 1 0.00 0.52 -0.52 0.30 \n SINCE JAN 1 21.59 23.92 -2.33 16.57 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 MM MM 0.0 \n MONTH TO DATE 0.0 0.0 \n SINCE OCT 1 0.0 0.0 \n SINCE JUL 1 0.0 0.0 \n SNOW DEPTH MM \n\nDEGREE DAYS \n HEATING \n YESTERDAY 6 8 -2 7 \n MONTH TO DATE 28 45 -17 36 \n SINCE SEP 1 161 147 14 87 \n SINCE JUL 1 186 202 -16 111 \n\n COOLING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE SEP 1 2 30 -28 34 \n SINCE JAN 1 267 263 4 328 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (350) \n HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350) \n HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360) \n AVERAGE WIND SPEED 7.5 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.5 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n FOG \n FOG W/VISIBILITY <= 1/4 MILE \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 100 1100 PM \n LOWEST 58 100 PM \n AVERAGE 79 \n\n..........................................................\n\n\nTHE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 64 79 2023 \n MINIMUM TEMPERATURE (F) 49 37 1983 \n\n\nSUNRISE AND SUNSET \nOCTOBER 7 2026.......SUNRISE 717 AM PDT SUNSET 636 PM PDT \nOCTOBER 8 2026.......SUNRISE 718 AM PDT SUNSET 634 PM PDT \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/KSEA/2026-10-06","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-06"},"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/KSEA/YYYY-MM-DD (HTML) and https://weathermarket.io/api/nws-cli/KSEA/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the final NWS Climatological Report (CLI) for station KSEA for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KSEA/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."}}