{"station":{"icao":"KDEN","city":{"slug":"denver","name":"Denver","country":"United States"},"timezone":"America/Denver","lat":39.74,"lon":-104.99,"us":true,"html":"https://weathermarket.io/station/KDEN","json":"https://weathermarket.io/api/station/KDEN","nwsCli":{"html":"https://weathermarket.io/nws-cli/KDEN","json":"https://weathermarket.io/api/nws-cli/KDEN"}},"date":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/Denver","dayStartUtc":"2026-10-18T06:00:00.000Z","dayEndUtc":"2026-10-19T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":23.3,"tmaxAt":"2026-10-18T20:53:00.000Z","tmin":8.9,"tminAt":"2026-10-18T09:53:00.000Z","tavg":15.7,"humidityMean":25.1,"windMean":3.7,"windMax":5.7,"windMaxAt":"2026-10-18T08:53:00.000Z","precipObservedCount":0,"nObservations":24,"maxGapMinutes":60,"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":"2026-10-18T20:53:00.000Z","obsTimeLocal":"2026-10-18T14:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 182053Z 05009KT 10SM FEW150 SCT220 23/M09 A3011 RMK AO2 SLP134 T02331094 57015","temp":23.3,"dewpoint":-9.4,"humidity":11,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T09:53:00.000Z","obsTimeLocal":"2026-10-18T03:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 180953Z 23008KT 10SM CLR 09/M04 A3014 RMK AO2 SLP144 T00891039","temp":8.9,"dewpoint":-3.9,"humidity":40,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T08:53:00.000Z","obsTimeLocal":"2026-10-18T02:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 180853Z 23011KT 10SM CLR 11/M04 A3015 RMK AO2 SLP146 T01061039 56004","temp":10.6,"dewpoint":-3.9,"humidity":36,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"cd81f11e117a4403","lastChangedAt":"2026-10-19T05:57:38.435Z","corrections":[{"obsTimeUtc":"2026-10-19T05:53:00.000Z","correctedAt":"2026-10-19T05:57:38.435Z","original":"METAR KDEN 190553Z 35007KT 10SM CLR 14/M02 A3023 RMK AO2 SLP171 T01391017 50014 $","corrected":"METAR KDEN 190553Z COR 35007KT 10SM FEW160 BKN220 14/M01 A3023 RMK AO2 SLP171 T01380006 50014 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KDEN/2026-10-18?format=record","status":"anchored","sha256":"e11ce550cf3e5d7ca0c65d91699df77c35876cbd8f4f697c87e6519c80886f4f","revision":"cd81f11e117a4403","flareTxHash":"0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f","flareBlock":72468350,"anchoredAt":"2026-10-19T09:01:37.159Z","explorer":"https://flare-explorer.flare.network/tx/0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f","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":24,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-18T20:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T09:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":23.3,"tmin":8.9,"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":{"status":"issued","tmax":23.89,"tmin":7.78,"precip":0,"corrected":false,"issuedAt":"2026-10-19T07:49:00.000Z","html":"https://weathermarket.io/nws-cli/KDEN/2026-10-18","json":"https://weathermarket.io/api/nws-cli/KDEN/2026-10-18"},"observations":[{"obsTimeUtc":"2026-10-18T06:53:00.000Z","obsTimeLocal":"2026-10-18T00:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 180653Z 22009KT 10SM CLR 12/M04 A3016 RMK AO2 SLP149 T01171039 402560017","temp":11.7,"dewpoint":-3.9,"humidity":33,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:53:00.000Z","obsTimeLocal":"2026-10-18T01:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 180753Z 00000KT 10SM CLR 10/M04 A3015 RMK AO2 SLP147 T01001039","temp":10,"dewpoint":-3.9,"humidity":37,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:53:00.000Z","obsTimeLocal":"2026-10-18T02:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 180853Z 23011KT 10SM CLR 11/M04 A3015 RMK AO2 SLP146 T01061039 56004","temp":10.6,"dewpoint":-3.9,"humidity":36,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:53:00.000Z","obsTimeLocal":"2026-10-18T03:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 180953Z 23008KT 10SM CLR 09/M04 A3014 RMK AO2 SLP144 T00891039","temp":8.9,"dewpoint":-3.9,"humidity":40,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:53:00.000Z","obsTimeLocal":"2026-10-18T04:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181053Z 24006KT 10SM FEW220 09/M04 A3014 RMK AO2 SLP145 T00941044","temp":9.4,"dewpoint":-4.4,"humidity":37,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:53:00.000Z","obsTimeLocal":"2026-10-18T05:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181153Z 22010KT 10SM FEW220 09/M05 A3014 RMK AO2 SLP154 T00941050 10128 20078 56002","temp":9.4,"dewpoint":-5,"humidity":36,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:53:00.000Z","obsTimeLocal":"2026-10-18T06:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181253Z 23009KT 10SM FEW220 09/M06 A3015 RMK AO2 SLP161 T00941056","temp":9.4,"dewpoint":-5.6,"humidity":34,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:53:00.000Z","obsTimeLocal":"2026-10-18T07:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181353Z 21008KT 10SM FEW120 FEW150 SCT220 09/M05 A3015 RMK AO2 SLP175 T00941050","temp":9.4,"dewpoint":-5,"humidity":36,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:53:00.000Z","obsTimeLocal":"2026-10-18T08:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181453Z 23009KT 10SM FEW120 FEW150 SCT220 14/M05 A3016 RMK AO2 SLP166 T01441050 53006","temp":14.4,"dewpoint":-5,"humidity":26,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:53:00.000Z","obsTimeLocal":"2026-10-18T09:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181553Z 23006KT 10SM FEW120 FEW150 SCT220 17/M05 A3017 RMK AO2 SLP161 T01721050","temp":17.2,"dewpoint":-5,"humidity":22,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:53:00.000Z","obsTimeLocal":"2026-10-18T10:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181653Z 28003KT 10SM FEW120 FEW150 SCT220 21/M06 A3017 RMK AO2 SLP159 T02061061","temp":20.6,"dewpoint":-6.1,"humidity":16,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:53:00.000Z","obsTimeLocal":"2026-10-18T11:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181753Z 05008KT 10SM FEW120 FEW150 SCT220 22/M08 A3016 RMK AO2 SLP151 T02221083 10222 20089 58001","temp":22.2,"dewpoint":-8.3,"humidity":12,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:53:00.000Z","obsTimeLocal":"2026-10-18T12:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181853Z 08007KT 10SM FEW150 SCT220 22/M09 A3014 RMK AO2 SLP146 T02221089","temp":22.2,"dewpoint":-8.9,"humidity":12,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:53:00.000Z","obsTimeLocal":"2026-10-18T13:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 181953Z 04007KT 10SM FEW150 BKN220 23/M09 A3012 RMK AO2 SLP141 T02281094","temp":22.8,"dewpoint":-9.4,"humidity":11,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:53:00.000Z","obsTimeLocal":"2026-10-18T14:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 182053Z 05009KT 10SM FEW150 SCT220 23/M09 A3011 RMK AO2 SLP134 T02331094 57015","temp":23.3,"dewpoint":-9.4,"humidity":11,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:53:00.000Z","obsTimeLocal":"2026-10-18T15:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 182153Z 10006KT 10SM FEW120 FEW150 BKN220 23/M09 A3010 RMK AO2 SLP136 T02331094","temp":23.3,"dewpoint":-9.4,"humidity":11,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:53:00.000Z","obsTimeLocal":"2026-10-18T16:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 182253Z 08007KT 10SM FEW120 FEW150 BKN220 23/M09 A3012 RMK AO2 SLP140 T02281094","temp":22.8,"dewpoint":-9.4,"humidity":11,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:53:00.000Z","obsTimeLocal":"2026-10-18T17:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 182353Z 09007KT 10SM FEW120 SCT160 BKN220 18/M07 A3012 RMK AO2 SLP153 T01831072 10239 20183 53004","temp":18.3,"dewpoint":-7.2,"humidity":17,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:53:00.000Z","obsTimeLocal":"2026-10-18T18:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 190053Z 10007KT 10SM FEW120 SCT160 BKN220 14/M07 A3014 RMK AO2 SLP166 T01441072","temp":14.4,"dewpoint":-7.2,"humidity":22,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:53:00.000Z","obsTimeLocal":"2026-10-18T19:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 190153Z 10006KT 10SM FEW160 BKN220 19/M06 A3017 RMK AO2 SLP167 T01891061 $","temp":18.9,"dewpoint":-6.1,"humidity":18,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:53:00.000Z","obsTimeLocal":"2026-10-18T20:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 190253Z 06009KT 10SM FEW160 BKN220 16/M04 A3018 RMK AO2 SLP167 T01561044 51016 $","temp":15.6,"dewpoint":-4.4,"humidity":25,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:53:00.000Z","obsTimeLocal":"2026-10-18T21:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 190353Z 12007KT 10SM FEW160 BKN220 15/M03 A3019 RMK AO2 SLP166 T01441028 $","temp":14.4,"dewpoint":-2.8,"humidity":30,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T04:53:00.000Z","obsTimeLocal":"2026-10-18T22:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 190453Z 35006KT 10SM FEW160 BKN220 14/M02 A3023 RMK AO2 SLP176 T01391017 $","temp":13.9,"dewpoint":-1.7,"humidity":34,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T05:53:00.000Z","obsTimeLocal":"2026-10-18T23:53:00-06:00","metarType":"METAR","raw":"METAR KDEN 190553Z COR 35007KT 10SM FEW160 BKN220 14/M01 A3023 RMK AO2 SLP171 T01380006 50014 $","temp":13.8,"dewpoint":-1,"humidity":36,"wind":3.6,"precipObserved":false,"correctedAt":"2026-10-19T05:57:38.435Z","originalRaw":"METAR KDEN 190553Z 35007KT 10SM CLR 14/M02 A3023 RMK AO2 SLP171 T01391017 50014 $"}],"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). US markets usually settle on the official NWS CLI value instead - see the NWS CLI archive for this station; both values are shown side by side.","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/KDEN/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KDEN/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KDEN for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KDEN/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/KDEN/2026-10-18","json":"https://weathermarket.io/api/station/KDEN/2026-10-18","record":"https://weathermarket.io/api/station/KDEN/2026-10-18?format=record","prev":"https://weathermarket.io/station/KDEN/2026-10-17","next":"https://weathermarket.io/station/KDEN/2026-10-19","station":"https://weathermarket.io/station/KDEN","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=DEN&data=metar&year1=2026&month1=10&day1=18&year2=2026&month2=10&day2=20&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=KDEN&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=18&hora=6&anof=2026&mesf=10&dayf=19&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KDEN"}}}