{"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":"2026-10-28","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":52,"tminF":38,"precipIn":0,"precipTrace":false,"tmax":11.11,"tmin":3.33,"precip":0,"issuedAt":"2026-10-29T05:26:00.000Z","productId":"iem:CDUS41-KBOX-290526:BOS:2026-10-28:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610290526"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-28T21:30:00.000Z","issuedLocal":"530 PM EDT WED OCT 28 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 282130","productId":"iem:CDUS41-KBOX-282130:BOS:2026-10-28:interim","source":"iem-afos","corrected":false,"tmaxF":52,"tmaxTimeLocal":"253 PM","tminF":38,"tminTimeLocal":"650 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610282130","parseProblems":[],"rawTextSha256":"96001edd00e9b947569e2c8858cc4e8085fa4c609893b7091ab726bd9248bb78","rawText":"CDUS41 KBOX 282130\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n530 PM EDT WED OCT 28 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 28 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 52 253 PM 81 1919 58 -6 53 \n 1927 \n 2023 \n MINIMUM 38 650 AM 28 1936 44 -6 43 \n AVERAGE 45 51 -6 48 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.02 2006 0.13 -0.13 0.00 \n MONTH TO DATE 2.08 3.65 -1.57 4.30 \n SINCE SEP 1 7.43 7.21 0.22 7.39 \n SINCE JAN 1 24.99 35.25 -10.26 32.34 \n\nSNOWFALL (IN) \n TODAY 0.0 T 1909 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.1 -0.1 0.0 \n SINCE SEP 1 0.0 0.1 -0.1 0.0 \n SINCE JUL 1 0.0 0.1 -0.1 0.0 \n\nDEGREE DAYS \n HEATING \n TODAY 20 14 6 17 \n MONTH TO DATE 259 280 -21 244 \n SINCE SEP 1 342 351 -9 276 \n SINCE JUL 1 342 360 -18 283 \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 12 HIGHEST WIND DIRECTION NW (330) \n HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330) \n AVERAGE WIND SPEED 7.4 \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 71 400 PM \n LOWEST 53 100 AM \n AVERAGE 62 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 58 79 1918 \n MINIMUM TEMPERATURE (F) 43 26 1876 \n\n\nSUNRISE AND SUNSET \nOCTOBER 28 2026.......SUNRISE 713 AM EDT SUNSET 543 PM EDT \nOCTOBER 29 2026.......SUNRISE 714 AM EDT SUNSET 541 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":"2026-10-29T05:26:00.000Z","issuedLocal":"126 AM EDT THU OCT 29 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 290526","productId":"iem:CDUS41-KBOX-290526:BOS:2026-10-28:final","source":"iem-afos","corrected":false,"tmaxF":52,"tmaxTimeLocal":"253 PM","tminF":38,"tminTimeLocal":"650 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610290526","parseProblems":[],"rawTextSha256":"7aea73aedd9ba0d61656ddcf28a346346e659f1482b6f375204d03e88451ef25","rawText":"CDUS41 KBOX 290526\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n126 AM EDT THU OCT 29 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 28 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 52 253 PM 81 1919 58 -6 53 \n 1927 \n 2023 \n MINIMUM 38 650 AM 28 1936 44 -6 43 \n AVERAGE 45 51 -6 48 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.02 2006 0.13 -0.13 0.00 \n MONTH TO DATE 2.08 3.65 -1.57 4.30 \n SINCE SEP 1 7.43 7.21 0.22 7.39 \n SINCE JAN 1 24.99 35.25 -10.26 32.34 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 T 1909 0.0 0.0 0.0 \n MONTH TO DATE 0.0 0.1 -0.1 0.0 \n SINCE SEP 1 0.0 0.1 -0.1 0.0 \n SINCE JUL 1 0.0 0.1 -0.1 0.0 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 20 14 6 17 \n MONTH TO DATE 259 280 -21 244 \n SINCE SEP 1 342 351 -9 276 \n SINCE JUL 1 342 360 -18 283 \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 2 RESULTANT WIND DIRECTION N (340) \n HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240) \n AVERAGE WIND SPEED 7.7 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.5 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 83 1100 PM \n LOWEST 53 100 AM \n AVERAGE 68 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 58 79 1918 \n MINIMUM TEMPERATURE (F) 43 26 1876 \n\n\nSUNRISE AND SUNSET \nOCTOBER 29 2026.......SUNRISE 714 AM EDT SUNSET 541 PM EDT \nOCTOBER 30 2026.......SUNRISE 715 AM EDT SUNSET 540 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/2026-10-28","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-28"},"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."}}