{"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":"2026-10-03","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":54,"precipIn":0,"precipTrace":false,"tmax":19.44,"tmin":12.22,"precip":0,"issuedAt":"2026-10-04T05:37:00.000Z","productId":"iem:CDUS41-KBOX-040537:BOS:2026-10-03:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610040537"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-03T21:24:00.000Z","issuedLocal":"524 PM EDT SAT OCT 03 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 032124","productId":"iem:CDUS41-KBOX-032124:BOS:2026-10-03:interim","source":"iem-afos","corrected":false,"tmaxF":67,"tmaxTimeLocal":"1222 AM","tminF":58,"tminTimeLocal":"625 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610032124","parseProblems":[],"rawTextSha256":"510b52cc75694107c27181cc07498853ddfa461f3cf4bde7aa9a5364629473f5","rawText":"CDUS41 KBOX 032124\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n524 PM EDT SAT OCT 03 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 3 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 67 1222 AM 85 1922 67 0 74 \n MINIMUM 58 625 AM 35 1899 52 6 48 \n AVERAGE 63 59 4 61 \n\nPRECIPITATION (IN) \n TODAY 0.00 1.48 1885 0.12 -0.12 0.00 \n 1961 \n MONTH TO DATE T 0.37 -0.37 0.00 \n SINCE SEP 1 5.35 3.93 1.42 3.09 \n SINCE JAN 1 22.91 31.97 -9.06 28.04 \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 2 6 -4 4 \n MONTH TO DATE 2 18 -16 23 \n SINCE SEP 1 85 89 -4 55 \n SINCE JUL 1 85 98 -13 62 \n\n COOLING \n TODAY 0 1 -1 0 \n MONTH TO DATE 16 3 13 0 \n SINCE SEP 1 93 94 -1 85 \n SINCE JAN 1 1010 794 216 842 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320) \n HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330) \n AVERAGE WIND SPEED 11.3 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 75 400 AM \n LOWEST 54 1000 AM \n AVERAGE 65 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 66 86 2007 \n MINIMUM TEMPERATURE (F) 52 34 1888 \n\n\nSUNRISE AND SUNSET \nOCTOBER 3 2026.......SUNRISE 643 AM EDT SUNSET 622 PM EDT \nOCTOBER 4 2026.......SUNRISE 645 AM EDT SUNSET 620 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":"2026-10-04T05:37:00.000Z","issuedLocal":"137 AM EDT SUN OCT 04 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 040537","productId":"iem:CDUS41-KBOX-040537:BOS:2026-10-03:final","source":"iem-afos","corrected":false,"tmaxF":67,"tmaxTimeLocal":"1222 AM","tminF":54,"tminTimeLocal":"1159 PM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610040537","parseProblems":[],"rawTextSha256":"df63595003c7b90b85a2d78b3c6f726d10d407c7ee2ef0b75f5bbbf17c4eb92f","rawText":"CDUS41 KBOX 040537\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n137 AM EDT SUN OCT 04 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 3 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 67 1222 AM 85 1922 67 0 74 \n MINIMUM 54 1159 PM 35 1899 52 2 48 \n AVERAGE 61 59 2 61 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 1.48 1885 0.12 -0.12 0.00 \n 1961 \n MONTH TO DATE 0.00 0.37 -0.37 0.00 \n SINCE SEP 1 5.35 3.93 1.42 3.09 \n SINCE JAN 1 22.91 31.97 -9.06 28.04 \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 6 -2 4 \n MONTH TO DATE 4 18 -14 23 \n SINCE SEP 1 87 89 -2 55 \n SINCE JUL 1 87 98 -11 62 \n\n COOLING \n YESTERDAY 0 1 -1 0 \n MONTH TO DATE 16 3 13 0 \n SINCE SEP 1 93 94 -1 85 \n SINCE JAN 1 1010 794 216 842 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (50) \n HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320) \n HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330) \n AVERAGE WIND SPEED 9.5 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.3 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 80 1000 PM \n LOWEST 54 1000 AM \n AVERAGE 67 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 66 86 2007 \n MINIMUM TEMPERATURE (F) 52 34 1888 \n\n\nSUNRISE AND SUNSET \nOCTOBER 4 2026.......SUNRISE 645 AM EDT SUNSET 620 PM EDT \nOCTOBER 5 2026.......SUNRISE 646 AM EDT SUNSET 619 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/2026-10-03","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-03"},"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."}}