{"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":"2026-09-02","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":64,"precipIn":0,"precipTrace":false,"tmax":22.22,"tmin":17.78,"precip":0,"issuedAt":"2026-09-03T05:28:00.000Z","productId":"iem:CDUS41-KBOX-030528:BOS:2026-09-02:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202609030528"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-09-02T21:25:00.000Z","issuedLocal":"525 PM EDT WED SEP 02 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 022125","productId":"iem:CDUS41-KBOX-022125:BOS:2026-09-02:interim","source":"iem-afos","corrected":false,"tmaxF":72,"tmaxTimeLocal":"211 PM","tminF":64,"tminTimeLocal":"502 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202609022125","parseProblems":[],"rawTextSha256":"a618334f183f8fe50faa983366f2300915dcb7e5955030508838207d997c8e7b","rawText":"CDUS41 KBOX 022125\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n525 PM EDT WED SEP 02 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 2 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 72 211 PM 100 1953 78 -6 74 \n MINIMUM 64 502 AM 49 1896 62 2 60 \n 1967 \n AVERAGE 68 70 -2 67 \n\nPRECIPITATION (IN) \n TODAY 0.00 2.71 1947 0.10 -0.10 0.00 \n MONTH TO DATE 0.26 0.21 0.05 0.00 \n SINCE SEP 1 0.26 0.21 0.05 0.00 \n SINCE JAN 1 17.82 28.25 -10.43 24.95 \n\nSNOWFALL (IN) \n TODAY 0.0 0.0 2000 0.0 0.0 0.0 \n 2001 \n 2002 \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 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE SEP 1 0 0 0 0 \n SINCE JUL 1 0 9 -9 7 \n\n COOLING \n TODAY 3 6 -3 2 \n MONTH TO DATE 4 12 -8 4 \n SINCE SEP 1 4 12 -8 4 \n SINCE JAN 1 921 712 209 761 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70) \n AVERAGE WIND SPEED 8.5 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.9 \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 68 100 PM \n AVERAGE 79 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 77 97 1929 \n MINIMUM TEMPERATURE (F) 62 47 1885 \n 1893 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 2 2026.....SUNRISE 610 AM EDT SUNSET 716 PM EDT \nSEPTEMBER 3 2026.....SUNRISE 611 AM EDT SUNSET 715 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":"2026-09-03T05:28:00.000Z","issuedLocal":"128 AM EDT THU SEP 03 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 030528","productId":"iem:CDUS41-KBOX-030528:BOS:2026-09-02:final","source":"iem-afos","corrected":false,"tmaxF":72,"tmaxTimeLocal":"211 PM","tminF":64,"tminTimeLocal":"502 AM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202609030528","parseProblems":[],"rawTextSha256":"f1042849adadb9a7d0bd23d0dd6a946bbc6ca8d255639bf58c6106663b0d0717","rawText":"CDUS41 KBOX 030528\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n128 AM EDT THU SEP 03 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 2 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 72 211 PM 100 1953 78 -6 74 \n MINIMUM 64 502 AM 49 1896 62 2 60 \n 1967 \n AVERAGE 68 70 -2 67 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 2.71 1947 0.10 -0.10 0.00 \n MONTH TO DATE 0.26 0.21 0.05 0.00 \n SINCE SEP 1 0.26 0.21 0.05 0.00 \n SINCE JAN 1 17.82 28.25 -10.43 24.95 \n\nSNOWFALL (IN) \n YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0 \n 2001 \n 2002 \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 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE SEP 1 0 0 0 0 \n SINCE JUL 1 0 9 -9 7 \n\n COOLING \n YESTERDAY 3 6 -3 2 \n MONTH TO DATE 4 12 -8 4 \n SINCE SEP 1 4 12 -8 4 \n SINCE JAN 1 921 712 209 761 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80) \n HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70) \n AVERAGE WIND SPEED 8.9 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.9 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 90 800 AM \n LOWEST 68 100 PM \n AVERAGE 79 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 77 97 1929 \n MINIMUM TEMPERATURE (F) 62 47 1885 \n 1893 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 3 2026.....SUNRISE 611 AM EDT SUNSET 715 PM EDT \nSEPTEMBER 4 2026.....SUNRISE 612 AM EDT SUNSET 713 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/2026-09-02","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-09-02"},"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."}}