{"station":{"icao":"ESSA","city":{"slug":"stockholm","name":"Stockholm","country":"Sweden"},"timezone":"Europe/Stockholm","lat":59.33,"lon":18.07,"us":false,"html":"https://weathermarket.io/station/ESSA","json":"https://weathermarket.io/api/station/ESSA","nwsCli":null},"date":"2026-09-26","window":{"date":"2026-09-26","timezone":"Europe/Stockholm","dayStartUtc":"2026-09-25T22:00:00.000Z","dayEndUtc":"2026-09-26T22:00:00.000Z","utcOffsetStart":"+02:00","utcOffsetEnd":"+02:00","hours":24},"complete":true,"values":{"tmax":13,"tmaxAt":"2026-09-26T09:50:00.000Z","tmin":7,"tminAt":"2026-09-26T21:50:00.000Z","tavg":10.5,"humidityMean":94.1,"windMean":3.8,"windMax":6.7,"windMaxAt":"2026-09-26T14:50:00.000Z","precipObservedCount":14,"nObservations":48,"maxGapMinutes":30,"units":{"temperature":"°C","wind":"m/s","humidity":"%"},"source":"Extremes over the METAR observations listed in this record (hourly plus special reports) - the same record values.metarDerived carries in /api/station/{icao}/daily"},"extremes":{"tmax":{"obsTimeUtc":"2026-09-26T09:50:00.000Z","obsTimeLocal":"2026-09-26T11:50:00+02:00","metarType":null,"raw":"METAR ESSA 260950Z 22009KT 9999 -RA SCT009 BKN015 OVC030 13/12 Q1008 TEMPO BKN006","temp":13,"dewpoint":12,"humidity":94,"wind":4.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-26T21:50:00.000Z","obsTimeLocal":"2026-09-26T23:50:00+02:00","metarType":null,"raw":"METAR ESSA 262150Z 26005KT CAVOK 07/07 Q1019 NOSIG","temp":7,"dewpoint":7,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-26T14:50:00.000Z","obsTimeLocal":"2026-09-26T16:50:00+02:00","metarType":null,"raw":"METAR ESSA 261450Z 24013KT 8000 -RA BKN022CB 13/12 Q1010 TEMPO 4000 SHRA BKN006","temp":13,"dewpoint":12,"humidity":94,"wind":6.7,"precipObserved":true,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-27T01:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"61c4fd26d009348c","lastChangedAt":"2026-09-26T22:00:20.392Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/ESSA/2026-09-26?format=record","status":"pending_anchor","sha256":null,"revision":null,"flareTxHash":null,"flareBlock":null,"anchoredAt":null,"explorer":null,"matchesCurrent":null,"note":"Final - the next hourly run writes this record's hash to SnapshotAnchor on Flare"},"qc":{"summary":{"good":48,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-26T09:50:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-26T21:50:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":13,"tmin":7,"differsFromRecord":false},"note":"Flags are attached beside the anchored record and are not part of its bytes; the record's extremes are unchanged. A suspect extreme is usable but worth checking against the raw text (extremes.*.reasons); a bad report is physically impossible and excludingBad shows the extremes without it."},"official":null,"observations":[{"obsTimeUtc":"2026-09-25T22:20:00.000Z","obsTimeLocal":"2026-09-26T00:20:00+02:00","metarType":null,"raw":"METAR ESSA 252220Z 07003KT CAVOK 09/08 Q1010 NOSIG","temp":9,"dewpoint":8,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T22:50:00.000Z","obsTimeLocal":"2026-09-26T00:50:00+02:00","metarType":null,"raw":"METAR ESSA 252250Z 13002KT CAVOK 09/08 Q1010 NOSIG","temp":9,"dewpoint":8,"humidity":93,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T23:20:00.000Z","obsTimeLocal":"2026-09-26T01:20:00+02:00","metarType":null,"raw":"METAR ESSA 252320Z 18001KT CAVOK 08/07 Q1010 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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/ESSA/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/ESSA/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for ESSA for the contract date (station-local calendar day), as published at https://weathermarket.io/station/ESSA/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/ESSA/2026-09-26","json":"https://weathermarket.io/api/station/ESSA/2026-09-26","record":"https://weathermarket.io/api/station/ESSA/2026-09-26?format=record","prev":"https://weathermarket.io/station/ESSA/2026-09-25","next":"https://weathermarket.io/station/ESSA/2026-09-27","station":"https://weathermarket.io/station/ESSA","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=ESSA&data=metar&year1=2026&month1=9&day1=25&year2=2026&month2=9&day2=27&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=ESSA&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=9&day=25&hora=22&anof=2026&mesf=9&dayf=26&horaf=21&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=ESSA"}}}