{"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":"2026-09-14","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":74,"tminF":58,"precipIn":0,"precipTrace":true,"tmax":23.33,"tmin":14.44,"precip":0,"issuedAt":"2026-09-15T05:26:00.000Z","productId":"iem:CDUS41-KBOX-150526:BOS:2026-09-14:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202609150526"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-09-14T21:27:00.000Z","issuedLocal":"527 PM EDT MON SEP 14 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 142127","productId":"iem:CDUS41-KBOX-142127:BOS:2026-09-14:interim","source":"iem-afos","corrected":false,"tmaxF":74,"tmaxTimeLocal":"304 PM","tminF":67,"tminTimeLocal":"826 AM","precipIn":0,"precipTrace":true,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202609142127","parseProblems":[],"rawTextSha256":"7cfea0e8911bdc5e1084bd5137e7ca1cd300f992486f2c71ff17b3ea8e6e8496","rawText":"CDUS41 KBOX 142127\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n527 PM EDT MON SEP 14 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 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 74 304 PM 92 1915 74 0 75 \n 1931 \n MINIMUM 67 826 AM 40 1884 59 8 59 \n AVERAGE 71 66 5 67 \n\nPRECIPITATION (IN) \n TODAY T 2.46 1944 0.12 -0.12 0.00 \n MONTH TO DATE 1.70 1.52 0.18 1.43 \n SINCE SEP 1 1.70 1.52 0.18 1.43 \n SINCE JAN 1 19.26 29.56 -10.30 26.38 \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 2 -2 0 \n MONTH TO DATE 2 14 -12 14 \n SINCE SEP 1 2 14 -12 14 \n SINCE JUL 1 2 23 -21 21 \n\n COOLING \n TODAY 6 3 3 2 \n MONTH TO DATE 68 61 7 34 \n SINCE SEP 1 68 61 7 34 \n SINCE JAN 1 985 761 224 791 \n...................................................................\n\n\nWIND (MPH) \n HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290) \n HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300) \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 LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 1200 AM \n LOWEST 32 200 PM \n AVERAGE 63 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 74 94 1915 \n MINIMUM TEMPERATURE (F) 59 41 1913 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 14 2026.....SUNRISE 623 AM EDT SUNSET 655 PM EDT \nSEPTEMBER 15 2026.....SUNRISE 624 AM EDT SUNSET 654 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":"2026-09-15T05:26:00.000Z","issuedLocal":"126 AM EDT TUE SEP 15 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 150526","productId":"iem:CDUS41-KBOX-150526:BOS:2026-09-14:final","source":"iem-afos","corrected":false,"tmaxF":74,"tmaxTimeLocal":"304 PM","tminF":58,"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=202609150526","parseProblems":[],"rawTextSha256":"b9712c423e3c61ffec9a08ce714c209947182820e7f5a6679eb03df7aca16f57","rawText":"CDUS41 KBOX 150526\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n126 AM EDT TUE SEP 15 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 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 74 304 PM 92 1915 74 0 75 \n 1931 \n MINIMUM 58 1159 PM 40 1884 59 -1 59 \n AVERAGE 66 66 0 67 \n\nPRECIPITATION (IN) \n YESTERDAY T 2.46 1944 0.12 -0.12 0.00 \n MONTH TO DATE 1.70 1.52 0.18 1.43 \n SINCE SEP 1 1.70 1.52 0.18 1.43 \n SINCE JAN 1 19.26 29.56 -10.30 26.38 \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 2 -2 0 \n MONTH TO DATE 2 14 -12 14 \n SINCE SEP 1 2 14 -12 14 \n SINCE JUL 1 2 23 -21 21 \n\n COOLING \n YESTERDAY 1 3 -2 2 \n MONTH TO DATE 63 61 2 34 \n SINCE SEP 1 63 61 2 34 \n SINCE JAN 1 980 761 219 791 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310) \n HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290) \n HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300) \n AVERAGE WIND SPEED 12.6 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.3 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n LIGHT RAIN \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 1200 AM \n LOWEST 32 200 PM \n AVERAGE 63 \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 74 94 1915 \n MINIMUM TEMPERATURE (F) 59 41 1913 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 15 2026.....SUNRISE 624 AM EDT SUNSET 654 PM EDT \nSEPTEMBER 16 2026.....SUNRISE 625 AM EDT SUNSET 652 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/2026-09-14","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-09-14"},"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."}}