{"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":"2026-10-31","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":55,"tminF":42,"precipIn":0,"precipTrace":false,"tmax":12.78,"tmin":5.56,"precip":0,"issuedAt":"2026-11-01T05:26:00.000Z","productId":"iem:CDUS41-KBOX-010526:BOS:2026-10-31:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202611010526"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-31T21:37:00.000Z","issuedLocal":"537 PM EDT SAT OCT 31 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 312137","productId":"iem:CDUS41-KBOX-312137:BOS:2026-10-31:interim","source":"iem-afos","corrected":false,"tmaxF":55,"tmaxTimeLocal":"256 PM","tminF":45,"tminTimeLocal":"628 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610312137","parseProblems":[],"rawTextSha256":"9dc4e450dd8eccd7795f68cc01bd12465f72bccce9a649d6883deeb975a3b5f4","rawText":"CDUS41 KBOX 312137\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n537 PM EDT SAT OCT 31 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 31 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 55 256 PM 81 1946 57 -2 60 \n MINIMUM 45 628 AM 27 1887 43 2 49 \n 1904 \n AVERAGE 50 50 0 55 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.54 1939 0.13 -0.13 0.11 \n MONTH TO DATE 2.08 4.03 -1.95 4.96 \n SINCE SEP 1 7.43 7.59 -0.16 8.05 \n SINCE JAN 1 24.99 35.63 -10.64 33.00 \n\nSNOWFALL (IN) \n TODAY 0.0 T 1913 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.2 -0.2 0.0 \n SINCE SEP 1 0.0 0.2 -0.2 0.0 \n SINCE JUL 1 0.0 0.2 -0.2 0.0 \n\nDEGREE DAYS \n HEATING \n TODAY 15 15 0 10 \n MONTH TO DATE 284 325 -41 282 \n SINCE SEP 1 367 396 -29 314 \n SINCE JUL 1 367 405 -38 321 \n\n COOLING \n TODAY 0 0 0 0 \n MONTH TO DATE 19 9 10 23 \n SINCE SEP 1 96 100 -4 108 \n SINCE JAN 1 1013 800 213 865 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300) \n HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300) \n AVERAGE WIND SPEED 13.0 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.2 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 58 200 AM \n LOWEST 31 1100 AM \n AVERAGE 45 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 57 79 2024 \n MINIMUM TEMPERATURE (F) 42 26 1885 \n\n\nSUNRISE AND SUNSET \nOCTOBER 31 2026.......SUNRISE 716 AM EDT SUNSET 539 PM EDT \nNOVEMBER 1 2026......SUNRISE 617 AM EST SUNSET 437 PM EST \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":"2026-11-01T05:26:00.000Z","issuedLocal":"126 AM EDT SUN NOV 01 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 010526","productId":"iem:CDUS41-KBOX-010526:BOS:2026-10-31:final","source":"iem-afos","corrected":false,"tmaxF":55,"tmaxTimeLocal":"256 PM","tminF":42,"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=202611010526","parseProblems":[],"rawTextSha256":"b4c398c2e7f29c4d14484b2695720709098f62c745dcae596aa5c0b0ec7eb8cc","rawText":"CDUS41 KBOX 010526\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n126 AM EDT SUN NOV 01 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 31 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 55 256 PM 81 1946 57 -2 60 \n MINIMUM 42 1159 PM 27 1887 43 -1 49 \n 1904 \n AVERAGE 49 50 -1 55 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.54 1939 0.13 -0.13 0.11 \n MONTH TO DATE 2.08 4.03 -1.95 4.96 \n SINCE SEP 1 7.43 7.59 -0.16 8.05 \n SINCE JAN 1 24.99 35.63 -10.64 33.00 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 T 1913 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.2 -0.2 0.0 \n SINCE SEP 1 0.0 0.2 -0.2 0.0 \n SINCE JUL 1 0.0 0.2 -0.2 0.0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 16 15 1 10 \n MONTH TO DATE 285 325 -40 282 \n SINCE SEP 1 368 396 -28 314 \n SINCE JUL 1 368 405 -37 321 \n\n COOLING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 19 9 10 23 \n SINCE SEP 1 96 100 -4 108 \n SINCE JAN 1 1013 800 213 865 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (320) \n HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300) \n HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300) \n AVERAGE WIND SPEED 11.0 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.2 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 58 200 AM \n LOWEST 31 1100 AM \n AVERAGE 45 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 57 79 2024 \n MINIMUM TEMPERATURE (F) 42 26 1885 \n\n\nSUNRISE AND SUNSET \nNOVEMBER 1 2026......SUNRISE 617 AM EST SUNSET 437 PM EST \nNOVEMBER 2 2026......SUNRISE 619 AM EST SUNSET 436 PM EST \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/2026-10-31","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-31"},"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."}}