{"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":"2026-10-14","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":67,"tminF":51,"precipIn":0,"precipTrace":true,"tmax":19.44,"tmin":10.56,"precip":0,"issuedAt":"2026-10-15T08:27:00.000Z","productId":"iem:CDUS46-KSEW-150827:SEA:2026-10-14:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISEA&e=202610150827"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-15T01:27:00.000Z","issuedLocal":"627 PM PDT WED OCT 14 2026","office":"KSEW","wmoHeader":"CDUS46 KSEW 150127","productId":"iem:CDUS46-KSEW-150127:SEA:2026-10-14:interim","source":"iem-afos","corrected":false,"tmaxF":67,"tmaxTimeLocal":"201 PM","tminF":55,"tminTimeLocal":"441 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISEA&e=202610150127","parseProblems":[],"rawTextSha256":"70eefc6654c6d6b472bd68ee8b5aec99a39bb235ad558618f85849e9b5726460","rawText":"CDUS46 KSEW 150127\nCLISEA\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SEATTLE\n627 PM PDT WED OCT 14 2026\n\n...................................\n\n...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 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 67 201 PM 80 1961 61 6 59 \n MINIMUM 55 441 AM 36 1949 47 8 42 \n AVERAGE 61 54 7 51 \n\nPRECIPITATION (IN) \n TODAY T 1.36 2016 0.12 -0.12 0.00 \n MONTH TO DATE 0.06 1.38 -1.32 0.60 \n SINCE OCT 1 0.06 1.38 -1.32 0.60 \n SINCE JAN 1 21.65 24.78 -3.13 16.87 \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 4 11 -7 14 \n MONTH TO DATE 105 123 -18 120 \n SINCE SEP 1 238 225 13 171 \n SINCE JUL 1 263 280 -17 195 \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 3 RESULTANT WIND DIRECTION S (190) \n HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170) \n HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160) \n AVERAGE WIND SPEED 6.5 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.7 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 75 600 AM \n LOWEST 60 1200 AM \n AVERAGE 68 \n\n..........................................................\n\n\nTHE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 61 77 1991 \n 2022 \n MINIMUM TEMPERATURE (F) 47 35 1946 \n 1952 \n\n\nSUNRISE AND SUNSET \nOCTOBER 14 2026.......SUNRISE 727 AM PDT SUNSET 623 PM PDT \nOCTOBER 15 2026.......SUNRISE 728 AM PDT SUNSET 621 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":"2026-10-15T08:27:00.000Z","issuedLocal":"127 AM PDT THU OCT 15 2026","office":"KSEW","wmoHeader":"CDUS46 KSEW 150827","productId":"iem:CDUS46-KSEW-150827:SEA:2026-10-14:final","source":"iem-afos","corrected":false,"tmaxF":67,"tmaxTimeLocal":"201 PM","tminF":51,"tminTimeLocal":"1112 PM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISEA&e=202610150827","parseProblems":[],"rawTextSha256":"676f5ae8be7b00a1a57ae9628e72726be45f85b9306082b1734ef802a4ee4513","rawText":"CDUS46 KSEW 150827\nCLISEA\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SEATTLE\n127 AM PDT THU OCT 15 2026\n\n...................................\n\n...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 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 67 201 PM 80 1961 61 6 59 \n MINIMUM 51 1112 PM 36 1949 47 4 42 \n AVERAGE 59 54 5 51 \n\nPRECIPITATION (IN) \n YESTERDAY T 1.36 2016 0.12 -0.12 0.00 \n MONTH TO DATE 0.06 1.38 -1.32 0.60 \n SINCE OCT 1 0.06 1.38 -1.32 0.60 \n SINCE JAN 1 21.65 24.78 -3.13 16.87 \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 0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 6 11 -5 14 \n MONTH TO DATE 107 123 -16 120 \n SINCE SEP 1 240 225 15 171 \n SINCE JUL 1 265 280 -15 195 \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 0 RESULTANT WIND DIRECTION SE (140) \n HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20) \n HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (20) \n AVERAGE WIND SPEED 6.9 \n\n\nSKY COVER \n AVERAGE SKY COVER 0.6 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 90 1100 PM \n LOWEST 60 1200 AM \n AVERAGE 75 \n\n..........................................................\n\n\nTHE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 61 77 1991 \n 2022 \n MINIMUM TEMPERATURE (F) 47 35 1946 \n 1952 \n\n\nSUNRISE AND SUNSET \nOCTOBER 15 2026.......SUNRISE 728 AM PDT SUNSET 621 PM PDT \nOCTOBER 16 2026.......SUNRISE 730 AM PDT SUNSET 619 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/2026-10-14","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-14"},"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."}}