{"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":"2026-10-27","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":57,"tminF":43,"precipIn":0,"precipTrace":false,"tmax":13.89,"tmin":6.11,"precip":0,"issuedAt":"2026-10-28T05:25:00.000Z","productId":"iem:CDUS41-KBOX-280525:BOS:2026-10-27:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610280525"},"issues":[{"kind":"final","asOfLocal":null,"issuedAt":"2026-10-28T05:25:00.000Z","issuedLocal":"125 AM EDT WED OCT 28 2026","office":"KBOX","wmoHeader":"CDUS41 KBOX 280525","productId":"iem:CDUS41-KBOX-280525:BOS:2026-10-27:final","source":"iem-afos","corrected":false,"tmaxF":57,"tmaxTimeLocal":"1210 AM","tminF":43,"tminTimeLocal":"859 PM","precipIn":0,"precipTrace":false,"snowIn":0,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLIBOS&e=202610280525","parseProblems":[],"rawTextSha256":"87f40436f4f723ef70c6ecc3a3b43dd6347bdc2de43db17e1b98150778c93463","rawText":"CDUS41 KBOX 280525\nCLIBOS\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE BOSTON/NORTON MA\n125 AM EDT WED OCT 28 2026\n\n...................................\n\n...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 27 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         57   1210 AM  85    1963  58     -1       52       \n  MINIMUM         43    859 PM  25    1936  44     -1       40       \n  AVERAGE         50                        51     -1       46     \n\nPRECIPITATION (IN)                                                    \n  YESTERDAY        0.00          1.95 1943   0.13  -0.13     0.00     \n  MONTH TO DATE    2.08                      3.52  -1.44     4.30     \n  SINCE SEP 1      7.43                      7.08   0.35     7.39     \n  SINCE JAN 1     24.99                     35.12 -10.13    32.34     \n\nSNOWFALL (IN)                                                              \n  YESTERDAY        0.0           T    1957   0.0    0.0      0.0      \n                                      2011                           \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       15                        14      1       19        \n  MONTH TO DATE  239                       266    -27      227        \n  SINCE SEP 1    322                       337    -15      259        \n  SINCE JUL 1    322                       346    -24      266        \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   3   RESULTANT WIND DIRECTION   N (10)        \n  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (360)       \n  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)        \n  AVERAGE WIND SPEED     7.4                                        \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    68           700 PM                                      \n LOWEST     41          1100 AM                                      \n AVERAGE    55                                                        \n\n..........................................................\n\n\nTHE BOSTON MA CLIMATE NORMALS FOR TODAY\n                         NORMAL    RECORD    YEAR                     \n MAXIMUM TEMPERATURE (F)   58        81      1919                      \n                                             1927                     \n                                             2023                     \n MINIMUM TEMPERATURE (F)   44        28      1936                      \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$$"}],"html":"https://weathermarket.io/nws-cli/KBOS/2026-10-27","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-27"},"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."}}