{"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":"2026-10-21","window":{"date":"2026-10-21","timezone":"America/New_York","dayStartUtc":"2026-10-21T04:00:00.000Z","dayEndUtc":"2026-10-22T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":23.3,"tmaxAt":"2026-10-21T19:52:00.000Z","tmin":10.6,"tminAt":"2026-10-21T07:52:00.000Z","tavg":16.6,"humidityMean":51.9,"windMean":2.2,"windMax":4.1,"windMaxAt":"2026-10-21T13:52:00.000Z","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":"2026-10-21T19:52:00.000Z","obsTimeLocal":"2026-10-21T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211952Z 21003KT 10SM FEW150 23/02 A3015 RMK AO2 SLP207 T02330017","temp":23.3,"dewpoint":1.7,"humidity":24,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-21T07:52:00.000Z","obsTimeLocal":"2026-10-21T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210752Z 00000KT 10SM CLR 11/07 A3019 RMK AO2 SLP219 T01060072 $","temp":10.6,"dewpoint":7.2,"humidity":79,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-21T13:52:00.000Z","obsTimeLocal":"2026-10-21T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211352Z 08008KT 10SM CLR 16/06 A3025 RMK AO2 SLP241 T01610061","temp":16.1,"dewpoint":6.1,"humidity":52,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-22T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"72fd56b9cb949a9c","lastChangedAt":"2026-10-22T03:55:38.549Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KATL/2026-10-21?format=record","status":"anchored","sha256":"54959eada55e670b74b8375fa3e93e5edc5728bb336173380b7c43b7fe29a1b5","revision":"72fd56b9cb949a9c","flareTxHash":"0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","flareBlock":73860312,"anchoredAt":"2026-11-06T05:01:27.405Z","explorer":"https://flare-explorer.flare.network/tx/0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","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":"2026-10-21T19:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-21T07:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":23.3,"tmin":10.6,"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":10,"precip":0,"corrected":false,"issuedAt":"2026-10-22T08:22:00.000Z","html":"https://weathermarket.io/nws-cli/KATL/2026-10-21","json":"https://weathermarket.io/api/nws-cli/KATL/2026-10-21"},"observations":[{"obsTimeUtc":"2026-10-21T04:52:00.000Z","obsTimeLocal":"2026-10-21T00:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210452Z 00000KT 10SM CLR 13/08 A3021 RMK AO2 SLP225 T01330078 402440089 $","temp":13.3,"dewpoint":7.8,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T05:52:00.000Z","obsTimeLocal":"2026-10-21T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210552Z 00000KT 10SM CLR 12/08 A3020 RMK AO2 SLP223 T01220078 10200 20122 57007 $","temp":12.2,"dewpoint":7.8,"humidity":74,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T06:52:00.000Z","obsTimeLocal":"2026-10-21T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210652Z 34003KT 10SM CLR 12/07 A3020 RMK AO2 SLP221 T01170072 $","temp":11.7,"dewpoint":7.2,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T07:52:00.000Z","obsTimeLocal":"2026-10-21T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210752Z 00000KT 10SM CLR 11/07 A3019 RMK AO2 SLP219 T01060072 $","temp":10.6,"dewpoint":7.2,"humidity":79,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T08:52:00.000Z","obsTimeLocal":"2026-10-21T04:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210852Z 00000KT 10SM CLR 11/07 A3018 RMK AO2 SLP217 T01110067 58005 $","temp":11.1,"dewpoint":6.7,"humidity":74,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T09:52:00.000Z","obsTimeLocal":"2026-10-21T05:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210952Z 01003KT 10SM FEW200 11/06 A3020 RMK AO2 SLP221 T01060061 $","temp":10.6,"dewpoint":6.1,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T10:52:00.000Z","obsTimeLocal":"2026-10-21T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211052Z 02003KT 10SM CLR 11/06 A3021 RMK AO2 SLP227 T01060061","temp":10.6,"dewpoint":6.1,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T11:52:00.000Z","obsTimeLocal":"2026-10-21T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211152Z 01006KT 10SM CLR 13/06 A3022 RMK AO2 SLP230 T01280056 10133 20100 51012","temp":12.8,"dewpoint":5.6,"humidity":62,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T12:52:00.000Z","obsTimeLocal":"2026-10-21T08:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211252Z 05006KT 10SM CLR 14/07 A3023 RMK AO2 SLP234 T01440067","temp":14.4,"dewpoint":6.7,"humidity":60,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T13:52:00.000Z","obsTimeLocal":"2026-10-21T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211352Z 08008KT 10SM CLR 16/06 A3025 RMK AO2 SLP241 T01610061","temp":16.1,"dewpoint":6.1,"humidity":52,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T14:52:00.000Z","obsTimeLocal":"2026-10-21T10:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211452Z 08007KT 10SM CLR 18/05 A3025 RMK AO2 SLP240 T01780050 51011","temp":17.8,"dewpoint":5,"humidity":43,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T15:52:00.000Z","obsTimeLocal":"2026-10-21T11:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211552Z 08004KT 10SM CLR 19/04 A3025 RMK AO2 SLP240 T01940044","temp":19.4,"dewpoint":4.4,"humidity":37,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T16:52:00.000Z","obsTimeLocal":"2026-10-21T12:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211652Z 06007KT 10SM CLR 21/04 A3024 RMK AO2 SLP236 T02110044","temp":21.1,"dewpoint":4.4,"humidity":33,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T17:52:00.000Z","obsTimeLocal":"2026-10-21T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211752Z 08005KT 10SM CLR 22/03 A3021 RMK AO2 SLP226 T02170033 10222 20117 58014","temp":21.7,"dewpoint":3.3,"humidity":30,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T18:52:00.000Z","obsTimeLocal":"2026-10-21T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211852Z 03004KT 10SM CLR 23/03 A3018 RMK AO2 SLP216 T02280028","temp":22.8,"dewpoint":2.8,"humidity":27,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T19:52:00.000Z","obsTimeLocal":"2026-10-21T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 211952Z 21003KT 10SM FEW150 23/02 A3015 RMK AO2 SLP207 T02330017","temp":23.3,"dewpoint":1.7,"humidity":24,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T20:52:00.000Z","obsTimeLocal":"2026-10-21T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 212052Z VRB04KT 10SM FEW050 FEW150 23/03 A3015 RMK AO2 SLP205 FU FEW050 T02330033 56021","temp":23.3,"dewpoint":3.3,"humidity":27,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:52:00.000Z","obsTimeLocal":"2026-10-21T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 212152Z 34006KT 10SM FEW150 23/03 A3014 RMK AO2 SLP205 T02280033","temp":22.8,"dewpoint":3.3,"humidity":28,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T22:52:00.000Z","obsTimeLocal":"2026-10-21T18:52:00-04:00","metarType":"METAR","raw":"METAR KATL 212252Z 30006KT 10SM FEW150 20/04 A3014 RMK AO2 SLP205 T02000044","temp":20,"dewpoint":4.4,"humidity":36,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T23:52:00.000Z","obsTimeLocal":"2026-10-21T19:52:00-04:00","metarType":"METAR","raw":"METAR KATL 212352Z 30005KT 10SM CLR 19/06 A3015 RMK AO2 SLP207 T01890061 10239 20189 53001","temp":18.9,"dewpoint":6.1,"humidity":43,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T00:52:00.000Z","obsTimeLocal":"2026-10-21T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 220052Z 30004KT 10SM CLR 18/07 A3016 RMK AO2 SLP210 T01780067","temp":17.8,"dewpoint":6.7,"humidity":48,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T01:52:00.000Z","obsTimeLocal":"2026-10-21T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 220152Z 31006KT 10SM CLR 17/06 A3016 RMK AO2 SLP209 T01670061 $","temp":16.7,"dewpoint":6.1,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T02:52:00.000Z","obsTimeLocal":"2026-10-21T22:52:00-04:00","metarType":"METAR","raw":"METAR KATL 220252Z 31005KT 10SM CLR 15/07 A3016 RMK AO2 SLP208 T01500072 50001 $","temp":15,"dewpoint":7.2,"humidity":60,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T03:52:00.000Z","obsTimeLocal":"2026-10-21T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 220352Z 30007KT 10SM CLR 14/08 A3015 RMK AO2 SLP208 T01390078 $","temp":13.9,"dewpoint":7.8,"humidity":67,"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). 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/2026-10-21","json":"https://weathermarket.io/api/station/KATL/2026-10-21","record":"https://weathermarket.io/api/station/KATL/2026-10-21?format=record","prev":"https://weathermarket.io/station/KATL/2026-10-20","next":"https://weathermarket.io/station/KATL/2026-10-22","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=10&day1=21&year2=2026&month2=10&day2=23&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=10&day=21&hora=4&anof=2026&mesf=10&dayf=22&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KATL"}}}