{"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":"2026-10-20","window":{"date":"2026-10-20","timezone":"America/New_York","dayStartUtc":"2026-10-20T04:00:00.000Z","dayEndUtc":"2026-10-21T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":23.9,"tmaxAt":"2026-10-20T18:52:00.000Z","tmin":8.9,"tminAt":"2026-10-20T06:52:00.000Z","tavg":16.7,"humidityMean":45.7,"windMean":2.3,"windMax":4.6,"windMaxAt":"2026-10-21T01:52:00.000Z","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":"2026-10-20T18:52:00.000Z","obsTimeLocal":"2026-10-20T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201852Z 06007KT 10SM FEW150 FEW200 SCT250 24/M01 A3022 RMK AO2 SLP230 VIRGA NE SW-W DSNT NE ACC SW-W T02391006","temp":23.9,"dewpoint":-0.6,"humidity":20,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-20T06:52:00.000Z","obsTimeLocal":"2026-10-20T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200652Z 29003KT 10SM CLR 09/05 A3026 RMK AO2 SLP244 T00890050 $","temp":8.9,"dewpoint":5,"humidity":77,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-21T01:52:00.000Z","obsTimeLocal":"2026-10-20T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210152Z 02009KT 10SM CLR 19/06 A3022 RMK AO2 SLP229 T01940061 $","temp":19.4,"dewpoint":6.1,"humidity":42,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-21T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"94be6e25cdb7f04e","lastChangedAt":"2026-10-21T03:55:13.636Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KATL/2026-10-20?format=record","status":"anchored","sha256":"a65446123ee743548b06f9a88816f9d85a44ccedfc997edc3404dfb2d94db374","revision":"94be6e25cdb7f04e","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":"2026-10-20T18:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-20T06:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":23.9,"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":24.44,"tmin":8.89,"precip":0,"corrected":false,"issuedAt":"2026-10-21T08:22:00.000Z","html":"https://weathermarket.io/nws-cli/KATL/2026-10-20","json":"https://weathermarket.io/api/nws-cli/KATL/2026-10-20"},"observations":[{"obsTimeUtc":"2026-10-20T04:52:00.000Z","obsTimeLocal":"2026-10-20T00:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200452Z 00000KT 10SM CLR 11/04 A3028 RMK AO2 SLP253 T01110039 402110072 $","temp":11.1,"dewpoint":3.9,"humidity":61,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T05:52:00.000Z","obsTimeLocal":"2026-10-20T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200552Z 03004KT 10SM CLR 13/04 A3026 RMK AO2 SLP247 T01330044 10189 20111 58007 $","temp":13.3,"dewpoint":4.4,"humidity":55,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T06:52:00.000Z","obsTimeLocal":"2026-10-20T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200652Z 29003KT 10SM CLR 09/05 A3026 RMK AO2 SLP244 T00890050 $","temp":8.9,"dewpoint":5,"humidity":77,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T07:52:00.000Z","obsTimeLocal":"2026-10-20T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200752Z 00000KT 10SM CLR 09/05 A3026 RMK AO2 SLP244 T00890050 $","temp":8.9,"dewpoint":5,"humidity":77,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T08:52:00.000Z","obsTimeLocal":"2026-10-20T04:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200852Z 32003KT 10SM CLR 10/05 A3026 RMK AO2 SLP243 T01000050 56003 $","temp":10,"dewpoint":5,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T09:52:00.000Z","obsTimeLocal":"2026-10-20T05:52:00-04:00","metarType":"METAR","raw":"METAR KATL 200952Z 00000KT 10SM CLR 09/05 A3026 RMK AO2 SLP246 T00890050 $","temp":8.9,"dewpoint":5,"humidity":77,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T10:52:00.000Z","obsTimeLocal":"2026-10-20T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201052Z 00000KT 10SM CLR 10/05 A3027 RMK AO2 SLP250 T01000050 $","temp":10,"dewpoint":5,"humidity":71,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T11:52:00.000Z","obsTimeLocal":"2026-10-20T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201152Z 07003KT 10SM CLR 11/04 A3028 RMK AO2 SLP252 T01060044 10133 20089 51008 $","temp":10.6,"dewpoint":4.4,"humidity":65,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T12:52:00.000Z","obsTimeLocal":"2026-10-20T08:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201252Z 05005KT 10SM CLR 13/05 A3030 RMK AO2 SLP258 T01330050","temp":13.3,"dewpoint":5,"humidity":57,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T13:52:00.000Z","obsTimeLocal":"2026-10-20T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201352Z 02004KT 10SM FEW200 16/04 A3031 RMK AO2 SLP264 T01610039","temp":16.1,"dewpoint":3.9,"humidity":44,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T14:52:00.000Z","obsTimeLocal":"2026-10-20T10:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201452Z 06004KT 10SM FEW200 19/01 A3031 RMK AO2 SLP260 T01890011 50010","temp":18.9,"dewpoint":1.1,"humidity":30,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T15:52:00.000Z","obsTimeLocal":"2026-10-20T11:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201552Z 05004KT 10SM FEW200 20/03 A3030 RMK AO2 SLP256 T02000028","temp":20,"dewpoint":2.8,"humidity":32,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T16:52:00.000Z","obsTimeLocal":"2026-10-20T12:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201652Z 05007KT 10SM FEW150 FEW200 22/01 A3028 RMK AO2 SLP250 T02170011","temp":21.7,"dewpoint":1.1,"humidity":26,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T17:52:00.000Z","obsTimeLocal":"2026-10-20T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201752Z 06005KT 10SM FEW150 FEW200 23/01 A3024 RMK AO2 SLP234 ACC DSNT W T02280006 10233 20100 58024","temp":22.8,"dewpoint":0.6,"humidity":23,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T18:52:00.000Z","obsTimeLocal":"2026-10-20T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201852Z 06007KT 10SM FEW150 FEW200 SCT250 24/M01 A3022 RMK AO2 SLP230 VIRGA NE SW-W DSNT NE ACC SW-W T02391006","temp":23.9,"dewpoint":-0.6,"humidity":20,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T19:52:00.000Z","obsTimeLocal":"2026-10-20T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 201952Z 04008KT 10SM FEW150 FEW200 24/00 A3021 RMK AO2 SLP227 VIRGA SE S DSNT NE E ACC SW T02390000","temp":23.9,"dewpoint":0,"humidity":21,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T20:52:00.000Z","obsTimeLocal":"2026-10-20T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 202052Z 06006KT 10SM FEW150 FEW200 24/01 A3021 RMK AO2 SLP226 VIRGA SW DSNT NE E ACC S DSNT NE T02390011 56009","temp":23.9,"dewpoint":1.1,"humidity":22,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T21:52:00.000Z","obsTimeLocal":"2026-10-20T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 202152Z 06008KT 10SM FEW150 FEW200 23/01 A3021 RMK AO2 SLP227 T02330011","temp":23.3,"dewpoint":1.1,"humidity":23,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T22:52:00.000Z","obsTimeLocal":"2026-10-20T18:52:00-04:00","metarType":"METAR","raw":"METAR KATL 202252Z 06007KT 10SM FEW200 22/01 A3021 RMK AO2 SLP227 T02170006 $","temp":21.7,"dewpoint":0.6,"humidity":25,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T23:52:00.000Z","obsTimeLocal":"2026-10-20T19:52:00-04:00","metarType":"METAR","raw":"METAR KATL 202352Z 09004KT 10SM FEW200 19/02 A3021 RMK AO2 SLP229 T01940022 10244 20194 53001 $","temp":19.4,"dewpoint":2.2,"humidity":32,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T00:52:00.000Z","obsTimeLocal":"2026-10-20T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210052Z 33005KT 10SM FEW200 17/04 A3022 RMK AO2 SLP231 T01720039 $","temp":17.2,"dewpoint":3.9,"humidity":41,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T01:52:00.000Z","obsTimeLocal":"2026-10-20T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210152Z 02009KT 10SM CLR 19/06 A3022 RMK AO2 SLP229 T01940061 $","temp":19.4,"dewpoint":6.1,"humidity":42,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T02:52:00.000Z","obsTimeLocal":"2026-10-20T22:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210252Z 04007KT 10SM CLR 18/07 A3022 RMK AO2 SLP229 T01830072 51002 $","temp":18.3,"dewpoint":7.2,"humidity":48,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T03:52:00.000Z","obsTimeLocal":"2026-10-20T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 210352Z 04004KT 10SM CLR 16/07 A3021 RMK AO2 SLP228 T01560072 $","temp":15.6,"dewpoint":7.2,"humidity":57,"wind":2.1,"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/2026-10-20","json":"https://weathermarket.io/api/station/KATL/2026-10-20","record":"https://weathermarket.io/api/station/KATL/2026-10-20?format=record","prev":"https://weathermarket.io/station/KATL/2026-10-19","next":"https://weathermarket.io/station/KATL/2026-10-21","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=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=KATL&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=20&hora=4&anof=2026&mesf=10&dayf=21&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KATL"}}}