{"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":"2026-10-16","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":69,"tminF":51,"precipIn":0.44,"precipTrace":false,"tmax":20.56,"tmin":10.56,"precip":11.18,"issuedAt":"2026-10-17T06:36:00.000Z","productId":"iem:CDUS41-KBOX-170636:BOS:2026-10-16:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610170636"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-16T21:02:00.000Z","issuedLocal":"502 PM EDT FRI OCT 16 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 162102","productId":"iem:CDUS41-KBOX-162102:BOS:2026-10-16:interim","source":"iem-afos","corrected":false,"tmaxF":70,"tmaxTimeLocal":"250 PM","tminF":51,"tminTimeLocal":null,"precipIn":0.33,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610162102","parseProblems":[],"rawTextSha256":"3f4eafe220fbbbaa3a236a2587944a4b4e354f56fb0221b13d1187518af83399","rawText":"CDUS41 KBOX 162102\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n502 PM EDT FRI OCT 16 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 16 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 70 250 PM 88 1897 62 8 56 \n MINIMUM 51 MM 30 1876 47 4 45 \n 1883 \n AVERAGE 61 55 6 51 \n\nPRECIPITATION (IN) \n TODAY 0.33 2.64 1974 0.13 0.20 0.00 \n MONTH TO DATE 1.97 2.05 -0.08 3.27 \n SINCE SEP 1 7.32 5.61 1.71 6.36 \n SINCE JAN 1 24.88 33.65 -8.77 31.31 \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 10 -6 14 \n MONTH TO DATE 81 130 -49 114 \n SINCE SEP 1 164 201 -37 146 \n SINCE JUL 1 164 210 -46 153 \n\n COOLING \n TODAY 0 0 0 0 \n MONTH TO DATE 19 6 13 23 \n SINCE SEP 1 96 97 -1 108 \n SINCE JAN 1 1013 797 216 865 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220) \n HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220) \n AVERAGE WIND SPEED 11.6 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 1.0 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n HEAVY RAIN \n RAIN \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 97 1200 PM \n LOWEST 57 1200 AM \n AVERAGE 77 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 62 89 1947 \n MINIMUM TEMPERATURE (F) 47 27 1886 \n\n\nSUNRISE AND SUNSET \nOCTOBER 16 2026.......SUNRISE 658 AM EDT SUNSET 600 PM EDT \nOCTOBER 17 2026.......SUNRISE 659 AM EDT SUNSET 559 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":"2026-10-17T06:36:00.000Z","issuedLocal":"236 AM EDT SAT OCT 17 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 170636","productId":"iem:CDUS41-KBOX-170636:BOS:2026-10-16:final","source":"iem-afos","corrected":false,"tmaxF":69,"tmaxTimeLocal":"451 PM","tminF":51,"tminTimeLocal":"158 AM","precipIn":0.44,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610170636","parseProblems":[],"rawTextSha256":"405feedefc0f64903415de655ec45f3afdf972247e0028b8f818c860e59871cd","rawText":"CDUS41 KBOX 170636\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n236 AM EDT SAT OCT 17 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 16 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 69 451 PM 88 1897 62 7 56 \n MINIMUM 51 158 AM 30 1876 47 4 45 \n 1883 \n AVERAGE 60 55 5 51 \n\nPRECIPITATION (IN) \n YESTERDAY 0.44 2.64 1974 0.13 0.31 0.00 \n MONTH TO DATE 2.08 2.05 0.03 3.27 \n SINCE SEP 1 7.43 5.61 1.82 6.36 \n SINCE JAN 1 24.99 33.65 -8.66 31.31 \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 5 10 -5 14 \n MONTH TO DATE 82 130 -48 114 \n SINCE SEP 1 165 201 -36 146 \n SINCE JUL 1 165 210 -45 153 \n\n COOLING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 19 6 13 23 \n SINCE SEP 1 96 97 -1 108 \n SINCE JAN 1 1013 797 216 865 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (210) \n HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220) \n HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (240) \n AVERAGE WIND SPEED 12.7 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n HEAVY RAIN \n RAIN \n LIGHT RAIN \n FOG \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 97 1200 PM \n LOWEST 57 1200 AM \n AVERAGE 77 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 62 89 1947 \n MINIMUM TEMPERATURE (F) 47 27 1886 \n\n\nSUNRISE AND SUNSET \nOCTOBER 17 2026.......SUNRISE 659 AM EDT SUNSET 559 PM EDT \nOCTOBER 18 2026.......SUNRISE 701 AM EDT SUNSET 557 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/2026-10-16","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-16"},"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."}}