{"station":{"icao":"KATL","city":{"slug":"atlanta","name":"Atlanta","country":"United States"},"timezone":"America/New_York","lat":33.75,"lon":-84.39,"us":true,"html":"https://weathermarket.io/station/KATL","json":"https://weathermarket.io/api/station/KATL","nwsCli":{"html":"https://weathermarket.io/nws-cli/KATL","json":"https://weathermarket.io/api/nws-cli/KATL"}},"date":"2026-09-27","window":{"date":"2026-09-27","timezone":"America/New_York","dayStartUtc":"2026-09-27T04:00:00.000Z","dayEndUtc":"2026-09-28T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":27.2,"tmaxAt":"2026-09-27T20:52:00.000Z","tmin":13.3,"tminAt":"2026-09-27T10:52:00.000Z","tavg":20.1,"humidityMean":47.4,"windMean":3,"windMax":5.1,"windMaxAt":"2026-09-27T21:52:00.000Z","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":"2026-09-27T20:52:00.000Z","obsTimeLocal":"2026-09-27T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 272052Z 32009KT 10SM FEW250 27/07 A2989 RMK AO2 SLP113 T02720067 56016 $","temp":27.2,"dewpoint":6.7,"humidity":27,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-27T10:52:00.000Z","obsTimeLocal":"2026-09-27T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271052Z 34004KT 10SM FEW200 SCT250 13/09 A2995 RMK AO2 SLP134 T01330089 $","temp":13.3,"dewpoint":8.9,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-27T21:52:00.000Z","obsTimeLocal":"2026-09-27T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 272152Z 30010KT 10SM FEW250 27/07 A2989 RMK AO2 SLP114 T02670067 $","temp":26.7,"dewpoint":6.7,"humidity":28,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-28T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"6a704a76af14393b","lastChangedAt":"2026-09-28T03:55:38.616Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KATL/2026-09-27?format=record","status":"anchored","sha256":"5f1c949067601a2bab7dd323203ebf3321866239e9ecb3ca31a6bea623d33882","revision":"6a704a76af14393b","flareTxHash":"0x28c57a77eb57d63dbb5c3e1dde7139455365b5bd5bb3f24f993d689524e70ea3","flareBlock":71112096,"anchoredAt":"2026-10-02T03:01:24.393Z","explorer":"https://flare-explorer.flare.network/tx/0x28c57a77eb57d63dbb5c3e1dde7139455365b5bd5bb3f24f993d689524e70ea3","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":"2026-09-27T20:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-27T10:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":27.2,"tmin":13.3,"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":27.22,"tmin":12.78,"precip":0,"corrected":false,"issuedAt":"2026-09-28T08:17:00.000Z","html":"https://weathermarket.io/nws-cli/KATL/2026-09-27","json":"https://weathermarket.io/api/nws-cli/KATL/2026-09-27"},"observations":[{"obsTimeUtc":"2026-09-27T04:52:00.000Z","obsTimeLocal":"2026-09-27T00:52:00-04:00","metarType":"METAR","raw":"METAR KATL 270452Z 34007KT 10SM SCT250 19/07 A2995 RMK AO2 SLP135 T01890072 402720156 $","temp":18.9,"dewpoint":7.2,"humidity":47,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T05:52:00.000Z","obsTimeLocal":"2026-09-27T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 270552Z 32003KT 10SM FEW250 17/08 A2995 RMK AO2 SLP135 T01670078 10228 20167 57004 $","temp":16.7,"dewpoint":7.8,"humidity":56,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T06:52:00.000Z","obsTimeLocal":"2026-09-27T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 270652Z 01006KT 10SM FEW200 SCT250 18/07 A2994 RMK AO2 SLP131 T01780072 $","temp":17.8,"dewpoint":7.2,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T07:52:00.000Z","obsTimeLocal":"2026-09-27T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 270752Z 31005KT 10SM FEW200 SCT250 15/08 A2995 RMK AO2 SLP133 T01500083 $","temp":15,"dewpoint":8.3,"humidity":64,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T08:52:00.000Z","obsTimeLocal":"2026-09-27T04:52:00-04:00","metarType":"METAR","raw":"METAR KATL 270852Z 31003KT 10SM BKN250 14/09 A2993 RMK AO2 SLP130 T01440089 58006 $","temp":14.4,"dewpoint":8.9,"humidity":70,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T09:52:00.000Z","obsTimeLocal":"2026-09-27T05:52:00-04:00","metarType":"METAR","raw":"METAR KATL 270952Z 32004KT 10SM SCT250 14/09 A2994 RMK AO2 SLP131 T01390089 $","temp":13.9,"dewpoint":8.9,"humidity":72,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T10:52:00.000Z","obsTimeLocal":"2026-09-27T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271052Z 34004KT 10SM FEW200 SCT250 13/09 A2995 RMK AO2 SLP134 T01330089 $","temp":13.3,"dewpoint":8.9,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T11:52:00.000Z","obsTimeLocal":"2026-09-27T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271152Z 30005KT 10SM FEW150 FEW200 SCT250 13/09 A2996 RMK AO2 SLP139 T01330089 10178 20128 53007 $","temp":13.3,"dewpoint":8.9,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T12:52:00.000Z","obsTimeLocal":"2026-09-27T08:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271252Z 33004KT 10SM FEW150 FEW200 FEW250 16/09 A2996 RMK AO2 SLP141 T01610094 $","temp":16.1,"dewpoint":9.4,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T13:52:00.000Z","obsTimeLocal":"2026-09-27T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271352Z 06005KT 10SM SCT160 SCT250 20/08 A2997 RMK AO2 SLP142 T02000078 $","temp":20,"dewpoint":7.8,"humidity":45,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T14:52:00.000Z","obsTimeLocal":"2026-09-27T10:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271452Z 07005KT 10SM SCT160 SCT250 21/08 A2997 RMK AO2 SLP142 T02060078 51004 $","temp":20.6,"dewpoint":7.8,"humidity":44,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T15:52:00.000Z","obsTimeLocal":"2026-09-27T11:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271552Z 14004KT 10SM FEW160 FEW250 22/08 A2997 RMK AO2 SLP140 T02220083 $","temp":22.2,"dewpoint":8.3,"humidity":41,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T16:52:00.000Z","obsTimeLocal":"2026-09-27T12:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271652Z 31006KT 10SM FEW160 FEW250 24/09 A2996 RMK AO2 SLP137 T02440094 $","temp":24.4,"dewpoint":9.4,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T17:52:00.000Z","obsTimeLocal":"2026-09-27T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271752Z 29006KT 10SM FEW250 24/09 A2994 RMK AO2 SLP131 T02440094 10250 20133 58011 $","temp":24.4,"dewpoint":9.4,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T18:52:00.000Z","obsTimeLocal":"2026-09-27T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271852Z 29005G17KT 10SM FEW250 26/09 A2991 RMK AO2 SLP122 T02560089 $","temp":25.6,"dewpoint":8.9,"humidity":35,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T19:52:00.000Z","obsTimeLocal":"2026-09-27T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 271952Z 31009G17KT 10SM FEW250 26/08 A2990 RMK AO2 SLP118 T02610078 $","temp":26.1,"dewpoint":7.8,"humidity":31,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T20:52:00.000Z","obsTimeLocal":"2026-09-27T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 272052Z 32009KT 10SM FEW250 27/07 A2989 RMK AO2 SLP113 T02720067 56016 $","temp":27.2,"dewpoint":6.7,"humidity":27,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T21:52:00.000Z","obsTimeLocal":"2026-09-27T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 272152Z 30010KT 10SM FEW250 27/07 A2989 RMK AO2 SLP114 T02670067 $","temp":26.7,"dewpoint":6.7,"humidity":28,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T22:52:00.000Z","obsTimeLocal":"2026-09-27T18:52:00-04:00","metarType":"METAR","raw":"METAR KATL 272252Z 32008KT 10SM SCT250 25/03 A2989 RMK AO2 SLP116 T02500033 $","temp":25,"dewpoint":3.3,"humidity":24,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T23:52:00.000Z","obsTimeLocal":"2026-09-27T19:52:00-04:00","metarType":"METAR","raw":"METAR KATL 272352Z 34009KT 10SM SCT250 23/04 A2990 RMK AO2 SLP119 T02330039 10272 20228 53004 $","temp":23.3,"dewpoint":3.9,"humidity":28,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T00:52:00.000Z","obsTimeLocal":"2026-09-27T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 280052Z 32008KT 10SM SCT250 22/06 A2991 RMK AO2 SLP123 T02170056 $","temp":21.7,"dewpoint":5.6,"humidity":35,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T01:52:00.000Z","obsTimeLocal":"2026-09-27T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 280152Z 32006KT 10SM BKN250 20/07 A2992 RMK AO2 SLP126 T02000067 $","temp":20,"dewpoint":6.7,"humidity":42,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T02:52:00.000Z","obsTimeLocal":"2026-09-27T22:52:00-04:00","metarType":"METAR","raw":"METAR KATL 280252Z 32005KT 10SM SCT250 18/08 A2993 RMK AO2 SLP129 T01830078 51010 $","temp":18.3,"dewpoint":7.8,"humidity":50,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T03:52:00.000Z","obsTimeLocal":"2026-09-27T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 280352Z 30005KT 10SM BKN250 17/08 A2993 RMK AO2 SLP128 T01720083 $","temp":17.2,"dewpoint":8.3,"humidity":56,"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). 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/KATL/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KATL/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KATL for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KATL/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/KATL/2026-09-27","json":"https://weathermarket.io/api/station/KATL/2026-09-27","record":"https://weathermarket.io/api/station/KATL/2026-09-27?format=record","prev":"https://weathermarket.io/station/KATL/2026-09-26","next":"https://weathermarket.io/station/KATL/2026-09-28","station":"https://weathermarket.io/station/KATL","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=ATL&data=metar&year1=2026&month1=9&day1=27&year2=2026&month2=9&day2=29&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=KATL&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=9&day=27&hora=4&anof=2026&mesf=9&dayf=28&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KATL"}}}