{"station":{"icao":"KBOS","cliId":"BOS","pil":"CLIBOS","city":{"slug":"boston","name":"보스턴","country":"United States"},"timezone":"America/New_York","feed":"https://api.weather.gov/products/types/CLI/locations/BOS","html":"https://weathermarket.io/nws-cli/KBOS","json":"https://weathermarket.io/api/nws-cli/KBOS"},"stationToday":"2026-11-13","day":{"date":"2026-10-12","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":71,"tminF":50,"precipIn":0.1,"precipTrace":false,"tmax":21.67,"tmin":10,"precip":2.54,"issuedAt":"2026-10-13T06:02:00.000Z","productId":"iem:CDUS41-KBOX-130602:BOS:2026-10-12:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610130602"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-12T21:32:00.000Z","issuedLocal":"532 PM EDT MON OCT 12 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 122132","productId":"iem:CDUS41-KBOX-122132:BOS:2026-10-12:interim","source":"iem-afos","corrected":false,"tmaxF":71,"tmaxTimeLocal":"359 PM","tminF":50,"tminTimeLocal":"600 AM","precipIn":0.1,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610122132","parseProblems":[],"rawTextSha256":"d763c83674ab12fe3875c5edb63f8f3662e20c59b9a4d4a207f1542c24a9f460","rawText":"CDUS41 KBOX 122132\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n532 PM EDT MON OCT 12 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 12 2026...\nVALID TODAY AS OF 0500 PM LOCAL TIME.\n\nCLIMATE NORMAL PERIOD 1991 TO 2020\nCLIMATE RECORD PERIOD 1872 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 71 359 PM 90 1954 63 8 58 \n MINIMUM 50 600 AM 31 1876 49 1 52 \n AVERAGE 61 56 5 55 \n\nPRECIPITATION (IN) \n TODAY 0.10 2.93 1878 0.13 -0.03 0.45 \n MONTH TO DATE 1.54 1.53 0.01 1.30 \n SINCE SEP 1 6.89 5.09 1.80 4.39 \n SINCE JAN 1 24.45 33.13 -8.68 29.34 \n\nSNOWFALL (IN) \n TODAY 0.0 0.0 2007 0.0 0.0 0.0 \n 2008 \n 2009 \n MONTH TO DATE 0.0 0.0 0.0 0.0 \n SINCE SEP 1 0.0 0.0 0.0 0.0 \n SINCE JUL 1 0.0 0.0 0.0 0.0 \n\nDEGREE DAYS \n HEATING \n TODAY 4 9 -5 10 \n MONTH TO DATE 62 90 -28 70 \n SINCE SEP 1 145 161 -16 102 \n SINCE JUL 1 145 170 -25 109 \n\n COOLING \n TODAY 0 0 0 0 \n MONTH TO DATE 16 6 10 23 \n SINCE SEP 1 93 97 -4 108 \n SINCE JAN 1 1010 797 213 865 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30) \n HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30) \n AVERAGE WIND SPEED 8.5 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.7 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n RAIN \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 100 200 AM \n LOWEST 59 300 PM \n AVERAGE 80 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 63 87 1930 \n MINIMUM TEMPERATURE (F) 48 30 1875 \n\n\nSUNRISE AND SUNSET \nOCTOBER 12 2026.......SUNRISE 654 AM EDT SUNSET 607 PM EDT \nOCTOBER 13 2026.......SUNRISE 655 AM EDT SUNSET 605 PM EDT \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":"2026-10-13T06:02:00.000Z","issuedLocal":"202 AM EDT TUE OCT 13 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 130602","productId":"iem:CDUS41-KBOX-130602:BOS:2026-10-12:final","source":"iem-afos","corrected":false,"tmaxF":71,"tmaxTimeLocal":"433 PM","tminF":50,"tminTimeLocal":"600 AM","precipIn":0.1,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610130602","parseProblems":[],"rawTextSha256":"3f3fb316ad457a3cac44a50611c81826ac07bb973618ccfc59e05c703fc54203","rawText":"CDUS41 KBOX 130602\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n202 AM EDT TUE OCT 13 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 12 2026...\n\nCLIMATE NORMAL PERIOD 1991 TO 2020\nCLIMATE RECORD PERIOD 1872 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 71 433 PM 90 1954 63 8 58 \n MINIMUM 50 600 AM 31 1876 49 1 52 \n AVERAGE 61 56 5 55 \n\nPRECIPITATION (IN) \n YESTERDAY 0.10 2.93 1878 0.13 -0.03 0.45 \n MONTH TO DATE 1.54 1.53 0.01 1.30 \n SINCE SEP 1 6.89 5.09 1.80 4.39 \n SINCE JAN 1 24.45 33.13 -8.68 29.34 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0 \n 2008 \n 2009 \n MONTH TO DATE 0.0 0.0 0.0 0.0 \n SINCE SEP 1 0.0 0.0 0.0 0.0 \n SINCE JUL 1 0.0 0.0 0.0 0.0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 4 9 -5 10 \n MONTH TO DATE 62 90 -28 70 \n SINCE SEP 1 145 161 -16 102 \n SINCE JUL 1 145 170 -25 109 \n\n COOLING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 16 6 10 23 \n SINCE SEP 1 93 97 -4 108 \n SINCE JAN 1 1010 797 213 865 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (350) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30) \n HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30) \n AVERAGE WIND SPEED 8.3 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.6 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n RAIN \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 100 200 AM \n LOWEST 59 300 PM \n AVERAGE 80 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 63 87 1930 \n MINIMUM TEMPERATURE (F) 48 30 1875 \n\n\nSUNRISE AND SUNSET \nOCTOBER 13 2026.......SUNRISE 655 AM EDT SUNSET 605 PM EDT \nOCTOBER 14 2026.......SUNRISE 656 AM EDT SUNSET 604 PM EDT \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/KBOS/2026-10-12","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-12"},"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/KBOS/YYYY-MM-DD (HTML) and https://weathermarket.io/api/nws-cli/KBOS/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the final NWS Climatological Report (CLI) for station KBOS for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KBOS/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."}}