{"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":"2026-11-14","day":{"date":"2026-10-01","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":79,"tminF":59,"precipIn":0,"precipTrace":true,"tmax":26.11,"tmin":15,"precip":0,"issuedAt":"2026-10-02T05:42:00.000Z","productId":"iem:CDUS41-KBOX-020542:BOS:2026-10-01:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610020542"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-01T21:22:00.000Z","issuedLocal":"522 PM EDT THU OCT 01 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 012122","productId":"iem:CDUS41-KBOX-012122:BOS:2026-10-01:interim","source":"iem-afos","corrected":false,"tmaxF":79,"tmaxTimeLocal":"1233 PM","tminF":59,"tminTimeLocal":"510 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610012122","parseProblems":[],"rawTextSha256":"a54e3f2c43b1b64d6857a4b9dc534c7a5ffd284b507a79c601bb700eff31b443","rawText":"CDUS41 KBOX 012122\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n522 PM EDT THU OCT 01 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 1 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 79 1233 PM 90 1881 67 12 63 \n MINIMUM 59 510 AM 36 1992 53 6 52 \n AVERAGE 69 60 9 58 \n\nPRECIPITATION (IN) \n TODAY 0.00 1.63 1936 0.13 -0.13 0.00 \n MONTH TO DATE 0.00 0.13 -0.13 0.00 \n SINCE SEP 1 5.35 3.69 1.66 3.09 \n SINCE JAN 1 22.91 31.73 -8.82 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 0 6 -6 7 \n MONTH TO DATE 0 6 -6 7 \n SINCE SEP 1 83 77 6 39 \n SINCE JUL 1 83 86 -3 46 \n\n COOLING \n TODAY 4 1 3 0 \n MONTH TO DATE 4 1 3 0 \n SINCE SEP 1 81 92 -11 85 \n SINCE JAN 1 998 792 206 842 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220) \n HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230) \n AVERAGE WIND SPEED 9.7 \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 NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 90 800 AM \n LOWEST 58 100 PM \n AVERAGE 74 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 67 88 1954 \n MINIMUM TEMPERATURE (F) 52 34 1899 \n\n\nSUNRISE AND SUNSET \nOCTOBER 1 2026.......SUNRISE 641 AM EDT SUNSET 626 PM EDT \nOCTOBER 2 2026.......SUNRISE 642 AM EDT SUNSET 624 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":"2026-10-02T05:42:00.000Z","issuedLocal":"142 AM EDT FRI OCT 02 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 020542","productId":"iem:CDUS41-KBOX-020542:BOS:2026-10-01:final","source":"iem-afos","corrected":false,"tmaxF":79,"tmaxTimeLocal":"1233 PM","tminF":59,"tminTimeLocal":"510 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610020542","parseProblems":[],"rawTextSha256":"ce4b0dbb856733634d442aa4164d168dc85f2a5554f4f04bf88dec35dbe5e228","rawText":"CDUS41 KBOX 020542\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n142 AM EDT FRI OCT 02 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 1 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 79 1233 PM 90 1881 67 12 63 \n MINIMUM 59 510 AM 36 1992 53 6 52 \n AVERAGE 69 60 9 58 \n\nPRECIPITATION (IN) \n YESTERDAY T 1.63 1936 0.13 -0.13 0.00 \n MONTH TO DATE T 0.13 -0.13 0.00 \n SINCE SEP 1 5.35 3.69 1.66 3.09 \n SINCE JAN 1 22.91 31.73 -8.82 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 0 6 -6 7 \n MONTH TO DATE 0 6 -6 7 \n SINCE SEP 1 83 77 6 39 \n SINCE JUL 1 83 86 -3 46 \n\n COOLING \n YESTERDAY 4 1 3 0 \n MONTH TO DATE 4 1 3 0 \n SINCE SEP 1 81 92 -11 85 \n SINCE JAN 1 998 792 206 842 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220) \n HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230) \n HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220) \n AVERAGE WIND SPEED 10.6 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.7 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 90 800 AM \n LOWEST 58 100 PM \n AVERAGE 74 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 67 88 1954 \n MINIMUM TEMPERATURE (F) 52 34 1899 \n\n\nSUNRISE AND SUNSET \nOCTOBER 2 2026.......SUNRISE 642 AM EDT SUNSET 624 PM EDT \nOCTOBER 3 2026.......SUNRISE 643 AM EDT SUNSET 622 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/2026-10-01","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-01"},"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."}}