{"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":"2026-10-30","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":72,"tminF":50,"precipIn":0,"precipTrace":true,"tmax":22.22,"tmin":10,"precip":0,"issuedAt":"2026-10-31T05:25:00.000Z","productId":"iem:CDUS41-KBOX-310525:BOS:2026-10-30:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610310525"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-30T22:44:00.000Z","issuedLocal":"644 PM EDT FRI OCT 30 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 302244","productId":"iem:CDUS41-KBOX-302244:BOS:2026-10-30:interim","source":"iem-afos","corrected":false,"tmaxF":72,"tmaxTimeLocal":"110 PM","tminF":55,"tminTimeLocal":"431 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610302244","parseProblems":[],"rawTextSha256":"9136413d557e6ec3884c94cf857f77f7ef95202f48bcff42ff79eb17b9d29225","rawText":"CDUS41 KBOX 302244\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n644 PM EDT FRI OCT 30 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 30 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 72 110 PM 78 1918 57 15 57 \n MINIMUM 55 431 AM 28 1928 43 12 48 \n AVERAGE 64 50 14 53 \n\nPRECIPITATION (IN) \n TODAY T 1.68 1917 0.12 -0.12 0.55 \n MONTH TO DATE 2.08 3.90 -1.82 4.85 \n SINCE SEP 1 7.43 7.46 -0.03 7.94 \n SINCE JAN 1 24.99 35.50 -10.51 32.89 \n\nSNOWFALL (IN) \n TODAY 0.0 4.3 2020 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 1 15 -14 12 \n MONTH TO DATE 266 310 -44 272 \n SINCE SEP 1 349 381 -32 304 \n SINCE JUL 1 349 390 -41 311 \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 23 HIGHEST WIND DIRECTION W (280) \n HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290) \n AVERAGE WIND SPEED 12.7 \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 89 200 AM \n LOWEST 30 100 PM \n AVERAGE 60 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 57 81 1946 \n MINIMUM TEMPERATURE (F) 43 27 1887 \n 1904 \n\n\nSUNRISE AND SUNSET \nOCTOBER 30 2026.......SUNRISE 715 AM EDT SUNSET 540 PM EDT \nOCTOBER 31 2026.......SUNRISE 716 AM EDT SUNSET 539 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":"2026-10-31T05:25:00.000Z","issuedLocal":"125 AM EDT SAT OCT 31 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 310525","productId":"iem:CDUS41-KBOX-310525:BOS:2026-10-30:final","source":"iem-afos","corrected":false,"tmaxF":72,"tmaxTimeLocal":"110 PM","tminF":50,"tminTimeLocal":"1159 PM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610310525","parseProblems":[],"rawTextSha256":"0448b5bc76d03b027dc1f75a561185df858308b604113ba6bff86d55b92aa8ed","rawText":"CDUS41 KBOX 310525\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n125 AM EDT SAT OCT 31 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 30 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 72 110 PM 78 1918 57 15 57 \n MINIMUM 50 1159 PM 28 1928 43 7 48 \n AVERAGE 61 50 11 53 \n\nPRECIPITATION (IN) \n YESTERDAY T 1.68 1917 0.12 -0.12 0.55 \n MONTH TO DATE 2.08 3.90 -1.82 4.85 \n SINCE SEP 1 7.43 7.46 -0.03 7.94 \n SINCE JAN 1 24.99 35.50 -10.51 32.89 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 4.3 2020 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 4 15 -11 12 \n MONTH TO DATE 269 310 -41 272 \n SINCE SEP 1 352 381 -29 304 \n SINCE JUL 1 352 390 -38 311 \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 11 RESULTANT WIND DIRECTION W (270) \n HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (320) \n HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290) \n AVERAGE WIND SPEED 13.1 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 89 200 AM \n LOWEST 30 100 PM \n AVERAGE 60 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 57 81 1946 \n MINIMUM TEMPERATURE (F) 43 27 1887 \n 1904 \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$$"}],"html":"https://weathermarket.io/nws-cli/KBOS/2026-10-30","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-30"},"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."}}