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NOSIG","temp":19,"dewpoint":17,"humidity":88,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T23:00:00.000Z","obsTimeLocal":"2026-11-09T23:00:00+00:00","metarType":"METAR","raw":"METAR GMMN 092300Z 19003KT 9999 BKN020 18/17 Q1019 NOSIG","temp":18,"dewpoint":17,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T23:30:00.000Z","obsTimeLocal":"2026-11-09T23:30:00+00:00","metarType":"METAR","raw":"METAR GMMN 092330Z 18005KT 9999 BKN020 18/17 Q1019 NOSIG","temp":18,"dewpoint":17,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}],"about":{"record":"Station-day record: the daily extremes over every METAR observation (hourly plus special reports) received for the station's local calendar day - local midnight to local midnight, daylight saving applied. Temperatures are whole degrees Celsius as reported in METAR; a short-lived peak between reports can be missed. This is not a model or an aggregate - every value points at the report that produced it, and every report in the day is listed verbatim.","settlementRule":"The settlement value is the daily maximum (or minimum) of this record once it is final: the local day has ended and the 3-hour correction hold has passed. A day whose longest gap between reports exceeds the station's normal interval plus 30 minutes is final but flagged not settleable - a market should treat it as a review case. Once final, the canonical record bytes are hashed (SHA-256) and the hash is written to the SnapshotAnchor contract on Flare; the anchored record is the settlement record even if reports change afterwards (matchesCurrent then reads false).","verify":["Every METAR in the day is listed with its raw text; compare it with the independent archives linked under links.external (IEM ASOS archive, Ogimet).","GET links.record for the canonical record bytes, SHA-256 them and compare with anchor.sha256; call SnapshotAnchor.isAnchored(sha256) on Flare (anchor.contract, anchor.chainId) to confirm the hash is on-chain. anchor.explorer opens the anchoring transaction.","Permalink pattern for market rules: https://weathermarket.io/station/GMMN/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/GMMN/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for GMMN for the contract date (station-local calendar day), as published at https://weathermarket.io/station/GMMN/YYYY-MM-DD with every observation used, the finality status and the Flare anchor of the record. The daily value is the extreme over the hourly and special METAR reports in that day; a short-lived peak between reports may be missed. If the record is not final and settleable by the resolution deadline, the market is flagged for review."},"links":{"html":"https://weathermarket.io/station/GMMN/2026-11-09","json":"https://weathermarket.io/api/station/GMMN/2026-11-09","record":"https://weathermarket.io/api/station/GMMN/2026-11-09?format=record","prev":"https://weathermarket.io/station/GMMN/2026-11-08","next":"https://weathermarket.io/station/GMMN/2026-11-10","station":"https://weathermarket.io/station/GMMN","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=GMMN&data=metar&year1=2026&month1=11&day1=9&year2=2026&month2=11&day2=11&tz=Etc%2FUTC&format=onlycomma&latlon=no&elev=no&missing=M&trace=T&direct=no&report_type=3&report_type=4","ogimet":"https://www.ogimet.com/display_metars2.php?lang=en&lugar=GMMN&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=11&day=9&hora=0&anof=2026&mesf=11&dayf=9&horaf=23&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=GMMN"}}}