{"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":"2026-10-21","window":{"date":"2026-10-21","timezone":"Europe/Stockholm","dayStartUtc":"2026-10-20T22:00:00.000Z","dayEndUtc":"2026-10-21T22:00:00.000Z","utcOffsetStart":"+02:00","utcOffsetEnd":"+02:00","hours":24},"complete":true,"values":{"tmax":11,"tmaxAt":"2026-10-21T20:20:00.000Z","tmin":8,"tminAt":"2026-10-20T22:20:00.000Z","tavg":9.2,"humidityMean":92.4,"windMean":4.8,"windMax":7.2,"windMaxAt":"2026-10-21T12:50:00.000Z","precipObservedCount":20,"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":"2026-10-21T20:20:00.000Z","obsTimeLocal":"2026-10-21T22:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 212020Z 15011G21KT 9999 BKN016 11/08 Q1018 NOSIG","temp":11,"dewpoint":8,"humidity":82,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-20T22:20:00.000Z","obsTimeLocal":"2026-10-21T00:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 202220Z 11006KT 9999 BKN008 08/07 Q1026 TEMPO BKN011","temp":8,"dewpoint":7,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-21T12:50:00.000Z","obsTimeLocal":"2026-10-21T14:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 211250Z 14014KT 9999 OVC007 10/09 Q1019 NOSIG","temp":10,"dewpoint":9,"humidity":94,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-22T01:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"02937a87b4027a94","lastChangedAt":"2026-10-21T21:55:38.443Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/ESSA/2026-10-21?format=record","status":"anchored","sha256":"aafcea5ef4e6e8ae969298cd3f654dae4bb21a499e7d65dda73421f011d169b1","revision":"02937a87b4027a94","flareTxHash":"0xb4b77cb941524be17c7622c4ce624c028f7a1899084964b73fbb5e44b2cc1b2a","flareBlock":73823098,"anchoredAt":"2026-11-05T18:02:08.881Z","explorer":"https://flare-explorer.flare.network/tx/0xb4b77cb941524be17c7622c4ce624c028f7a1899084964b73fbb5e44b2cc1b2a","matchesCurrent":true,"note":"GET the record bytes, SHA-256 them, and call SnapshotAnchor.isAnchored(sha256) on Flare - the anchored record is the one to settle on"},"qc":{"summary":{"good":48,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-21T20:20:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-20T22:20:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":11,"tmin":8,"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":"2026-10-20T22:20:00.000Z","obsTimeLocal":"2026-10-21T00:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 202220Z 11006KT 9999 BKN008 08/07 Q1026 TEMPO BKN011","temp":8,"dewpoint":7,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T22:50:00.000Z","obsTimeLocal":"2026-10-21T00:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 202250Z 10007KT 4700 -DZ BKN006 08/07 Q1026 TEMPO BKN011","temp":8,"dewpoint":7,"humidity":93,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T23:20:00.000Z","obsTimeLocal":"2026-10-21T01:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 202320Z 10006KT 9000 -DZ BKN006 08/07 Q1025 TEMPO BKN011","temp":8,"dewpoint":7,"humidity":93,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T23:50:00.000Z","obsTimeLocal":"2026-10-21T01:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 202350Z 12006KT 9999 BKN007 08/07 Q1025 REDZ TEMPO BKN011","temp":8,"dewpoint":7,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T00:20:00.000Z","obsTimeLocal":"2026-10-21T02:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 210020Z 13009KT 9999 BKN007 08/07 Q1025 TEMPO BKN011","temp":8,"dewpoint":7,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T00:50:00.000Z","obsTimeLocal":"2026-10-21T02:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 210050Z 12007KT 9999 BKN006 08/07 Q1025 TEMPO 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NOSIG","temp":10,"dewpoint":9,"humidity":94,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T16:20:00.000Z","obsTimeLocal":"2026-10-21T18:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 211620Z 13010KT 9999 OVC007 10/09 Q1018 BECMG OVC010","temp":10,"dewpoint":9,"humidity":94,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T16:50:00.000Z","obsTimeLocal":"2026-10-21T18:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 211650Z 14011KT 9999 OVC007 10/09 Q1018 BECMG OVC010","temp":10,"dewpoint":9,"humidity":94,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T17:20:00.000Z","obsTimeLocal":"2026-10-21T19:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 211720Z 13010KT 9999 OVC008 10/08 Q1018 BECMG OVC010","temp":10,"dewpoint":8,"humidity":87,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T17:50:00.000Z","obsTimeLocal":"2026-10-21T19:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 211750Z 13010KT 9999 OVC007 10/08 Q1018 BECMG OVC010","temp":10,"dewpoint":8,"humidity":87,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T18:20:00.000Z","obsTimeLocal":"2026-10-21T20:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 211820Z 13010KT 9999 -DZ OVC007 10/08 Q1018 BECMG OVC010","temp":10,"dewpoint":8,"humidity":87,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T18:50:00.000Z","obsTimeLocal":"2026-10-21T20:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 211850Z 14010KT 9999 -DZ FEW010 OVC016 10/09 Q1018 TEMPO OVC010","temp":10,"dewpoint":9,"humidity":94,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T19:20:00.000Z","obsTimeLocal":"2026-10-21T21:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 211920Z 14009KT 9999 -DZ FEW010 OVC015 10/09 Q1018 TEMPO OVC010","temp":10,"dewpoint":9,"humidity":94,"wind":4.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T19:50:00.000Z","obsTimeLocal":"2026-10-21T21:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 211950Z 14011KT 9999 -DZ BKN013 10/08 Q1018 TEMPO SCT010","temp":10,"dewpoint":8,"humidity":87,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T20:20:00.000Z","obsTimeLocal":"2026-10-21T22:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 212020Z 15011G21KT 9999 BKN016 11/08 Q1018 NOSIG","temp":11,"dewpoint":8,"humidity":82,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T20:50:00.000Z","obsTimeLocal":"2026-10-21T22:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 212050Z 14009KT 9999 SCT019 OVC024 11/08 Q1018 NOSIG","temp":11,"dewpoint":8,"humidity":82,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:20:00.000Z","obsTimeLocal":"2026-10-21T23:20:00+02:00","metarType":"METAR","raw":"METAR ESSA 212120Z 14009KT 9999 OVC022 11/08 Q1018 NOSIG","temp":11,"dewpoint":8,"humidity":82,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:50:00.000Z","obsTimeLocal":"2026-10-21T23:50:00+02:00","metarType":"METAR","raw":"METAR ESSA 212150Z 13007KT 9999 BKN024 11/08 Q1018 NOSIG","temp":11,"dewpoint":8,"humidity":82,"wind":3.6,"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/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/2026-10-21","json":"https://weathermarket.io/api/station/ESSA/2026-10-21","record":"https://weathermarket.io/api/station/ESSA/2026-10-21?format=record","prev":"https://weathermarket.io/station/ESSA/2026-10-20","next":"https://weathermarket.io/station/ESSA/2026-10-22","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=10&day1=20&year2=2026&month2=10&day2=22&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=10&day=20&hora=22&anof=2026&mesf=10&dayf=21&horaf=21&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=ESSA"}}}