{"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":"2026-09-30","window":{"date":"2026-09-30","timezone":"America/New_York","dayStartUtc":"2026-09-30T04:00:00.000Z","dayEndUtc":"2026-10-01T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":30,"tmaxAt":"2026-09-30T18:52:00.000Z","tmin":16.7,"tminAt":"2026-09-30T11:52:00.000Z","tavg":22.5,"humidityMean":64.6,"windMean":2.7,"windMax":3.6,"windMaxAt":"2026-09-30T05:52:00.000Z","precipObservedCount":0,"nObservations":28,"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":"2026-09-30T18:52:00.000Z","obsTimeLocal":"2026-09-30T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301852Z 16007KT 10SM FEW065 SCT200 SCT250 30/12 A3008 RMK AO2 SLP176 T03000122","temp":30,"dewpoint":12.2,"humidity":33,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-30T11:52:00.000Z","obsTimeLocal":"2026-09-30T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301152Z 08007KT 10SM FEW009 FEW250 17/14 A3011 RMK AO2 SLP189 T01670139 10194 20167 53016 $","temp":16.7,"dewpoint":13.9,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-30T05:52:00.000Z","obsTimeLocal":"2026-09-30T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300552Z 08007KT 10SM CLR 19/13 A3006 RMK AO2 SLP171 T01940133 10250 20194 58001 $","temp":19.4,"dewpoint":13.3,"humidity":68,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-01T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"1f141e46b91858a9","lastChangedAt":"2026-10-01T03:56:38.538Z","corrections":[{"obsTimeUtc":"2026-09-30T12:48:00.000Z","correctedAt":"2026-09-30T12:53:40.952Z","original":"SPECI KATL 301248Z 11005KT 1/2SM BR FEW001 BKN003 BKN250 17/16 A3013 RMK AO2 CIG 002V004 TWRINC $","corrected":"SPECI KATL 301248Z COR 11005KT 1/2SM FG FEW001 BKN003 BKN250 17/16 A3013 RMK AO2 CIG 002V004 TWRINC $"},{"obsTimeUtc":"2026-09-30T12:52:00.000Z","correctedAt":"2026-09-30T13:27:38.877Z","original":"METAR KATL 301252Z 12005KT 1/2SM FG FEW001 OVC003 17/17 A3014 RMK AO2 SLP198 CIG 002V004 TWRINC T01720167 $","corrected":"METAR KATL 301252Z COR 12005KT 1/2SM FG FEW001 OVC003 17/17 A3014 RMK AO2 SLP198 CIG 002V004 T01720167 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KATL/2026-09-30?format=record","status":"anchored","sha256":"1c3e5d819d70c807a79e639719b86c77d5dd300b82229ba86c988fb69916103a","revision":"1f141e46b91858a9","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":28,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-30T18:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-30T11:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":30,"tmin":16.7,"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":30.56,"tmin":16.67,"precip":0,"corrected":false,"issuedAt":"2026-10-01T08:23:00.000Z","html":"https://weathermarket.io/nws-cli/KATL/2026-09-30","json":"https://weathermarket.io/api/nws-cli/KATL/2026-09-30"},"observations":[{"obsTimeUtc":"2026-09-30T04:52:00.000Z","obsTimeLocal":"2026-09-30T00:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300452Z 07006KT 10SM CLR 21/13 A3007 RMK AO2 SLP173 T02060133 402890156 $","temp":20.6,"dewpoint":13.3,"humidity":63,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T05:52:00.000Z","obsTimeLocal":"2026-09-30T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300552Z 08007KT 10SM CLR 19/13 A3006 RMK AO2 SLP171 T01940133 10250 20194 58001 $","temp":19.4,"dewpoint":13.3,"humidity":68,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T06:52:00.000Z","obsTimeLocal":"2026-09-30T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300652Z 07006KT 10SM CLR 19/13 A3006 RMK AO2 SLP171 T01890133 $","temp":18.9,"dewpoint":13.3,"humidity":70,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T07:52:00.000Z","obsTimeLocal":"2026-09-30T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300752Z 08005KT 10SM FEW250 18/13 A3006 RMK AO2 SLP171 T01830133 $","temp":18.3,"dewpoint":13.3,"humidity":73,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T08:52:00.000Z","obsTimeLocal":"2026-09-30T04:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300852Z 08007KT 10SM FEW250 18/13 A3006 RMK AO2 SLP170 T01830133 58001 $","temp":18.3,"dewpoint":13.3,"humidity":73,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T09:52:00.000Z","obsTimeLocal":"2026-09-30T05:52:00-04:00","metarType":"METAR","raw":"METAR KATL 300952Z 07006KT 10SM FEW250 17/13 A3007 RMK AO2 SLP173 T01720133 $","temp":17.2,"dewpoint":13.3,"humidity":78,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T10:52:00.000Z","obsTimeLocal":"2026-09-30T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301052Z 07007KT 10SM FEW009 FEW250 17/13 A3009 RMK AO2 SLP180 T01720133 $","temp":17.2,"dewpoint":13.3,"humidity":78,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T11:52:00.000Z","obsTimeLocal":"2026-09-30T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301152Z 08007KT 10SM FEW009 FEW250 17/14 A3011 RMK AO2 SLP189 T01670139 10194 20167 53016 $","temp":16.7,"dewpoint":13.9,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T12:35:00.000Z","obsTimeLocal":"2026-09-30T08:35:00-04:00","metarType":"SPECI","raw":"SPECI KATL 301235Z 10006KT 1/2SM BR FEW001 BKN005 BKN250 17/14 A3013 RMK AO2 SFC VIS 2 VIS N-E 1 1/2 T01720144 $","temp":17.2,"dewpoint":14.4,"humidity":84,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T12:48:00.000Z","obsTimeLocal":"2026-09-30T08:48:00-04:00","metarType":"SPECI","raw":"SPECI KATL 301248Z COR 11005KT 1/2SM FG FEW001 BKN003 BKN250 17/16 A3013 RMK AO2 CIG 002V004 TWRINC $","temp":17,"dewpoint":16,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":"2026-09-30T12:53:40.952Z","originalRaw":"SPECI KATL 301248Z 11005KT 1/2SM BR FEW001 BKN003 BKN250 17/16 A3013 RMK AO2 CIG 002V004 TWRINC $"},{"obsTimeUtc":"2026-09-30T12:52:00.000Z","obsTimeLocal":"2026-09-30T08:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301252Z COR 12005KT 1/2SM FG FEW001 OVC003 17/17 A3014 RMK AO2 SLP198 CIG 002V004 T01720167 $","temp":17.2,"dewpoint":16.7,"humidity":97,"wind":2.6,"precipObserved":false,"correctedAt":"2026-09-30T13:27:38.877Z","originalRaw":"METAR KATL 301252Z 12005KT 1/2SM FG FEW001 OVC003 17/17 A3014 RMK AO2 SLP198 CIG 002V004 TWRINC T01720167 $"},{"obsTimeUtc":"2026-09-30T13:52:00.000Z","obsTimeLocal":"2026-09-30T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301352Z 09006KT 1/2SM FG OVC002 19/18 A3015 RMK AO2 SLP203 VIS SE-S 1 CIG 001V003 T01890178 $","temp":18.9,"dewpoint":17.8,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T14:35:00.000Z","obsTimeLocal":"2026-09-30T10:35:00-04:00","metarType":"SPECI","raw":"SPECI KATL 301435Z 00000KT 2SM BR OVC004 20/18 A3016 RMK AO2 SFC VIS 3 CIG 003V005 T02000183 $","temp":20,"dewpoint":18.3,"humidity":90,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T14:52:00.000Z","obsTimeLocal":"2026-09-30T10:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301452Z 00000KT 3SM BR BKN005 BKN200 21/19 A3016 RMK AO2 SFC VIS 6 SLP205 CIG 004V007 T02110189 53008 $","temp":21.1,"dewpoint":18.9,"humidity":87,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T15:10:00.000Z","obsTimeLocal":"2026-09-30T11:10:00-04:00","metarType":"SPECI","raw":"SPECI KATL 301510Z 07003KT 7SM SCT006 SCT200 SCT250 23/19 A3016 RMK AO2 T02280189 $","temp":22.8,"dewpoint":18.9,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T15:52:00.000Z","obsTimeLocal":"2026-09-30T11:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301552Z 10004KT 9SM FEW018 FEW200 SCT250 24/19 A3016 RMK AO2 SLP204 T02440189 $","temp":24.4,"dewpoint":18.9,"humidity":71,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T16:52:00.000Z","obsTimeLocal":"2026-09-30T12:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301652Z 14007KT 10SM FEW040 FEW200 SCT250 27/18 A3013 RMK AO2 SLP195 T02720178 $","temp":27.2,"dewpoint":17.8,"humidity":56,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T17:52:00.000Z","obsTimeLocal":"2026-09-30T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301752Z 16007KT 10SM FEW060 SCT200 SCT250 29/12 A3011 RMK AO2 SLP186 T02890122 10289 20167 58017 $","temp":28.9,"dewpoint":12.2,"humidity":36,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T18:52:00.000Z","obsTimeLocal":"2026-09-30T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301852Z 16007KT 10SM FEW065 SCT200 SCT250 30/12 A3008 RMK AO2 SLP176 T03000122","temp":30,"dewpoint":12.2,"humidity":33,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T19:52:00.000Z","obsTimeLocal":"2026-09-30T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 301952Z 17005KT 10SM FEW070 SCT200 SCT250 30/12 A3006 RMK AO2 SLP171 T03000122","temp":30,"dewpoint":12.2,"humidity":33,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T20:52:00.000Z","obsTimeLocal":"2026-09-30T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 302052Z 11005KT 10SM FEW070 SCT200 SCT250 29/12 A3006 RMK AO2 SLP169 T02940122 56017","temp":29.4,"dewpoint":12.2,"humidity":35,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T21:52:00.000Z","obsTimeLocal":"2026-09-30T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 302152Z 12004KT 10SM FEW070 SCT200 BKN250 29/13 A3005 RMK AO2 SLP168 T02940128","temp":29.4,"dewpoint":12.8,"humidity":36,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T22:52:00.000Z","obsTimeLocal":"2026-09-30T18:52:00-04:00","metarType":"METAR","raw":"METAR KATL 302252Z 14005KT 10SM FEW070 FEW200 SCT250 28/12 A3007 RMK AO2 SLP173 T02830117","temp":28.3,"dewpoint":11.7,"humidity":36,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T23:52:00.000Z","obsTimeLocal":"2026-09-30T19:52:00-04:00","metarType":"METAR","raw":"METAR KATL 302352Z 13003KT 10SM FEW070 SCT250 27/12 A3007 RMK AO2 SLP176 T02670117 10306 20267 53005","temp":26.7,"dewpoint":11.7,"humidity":39,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T00:52:00.000Z","obsTimeLocal":"2026-09-30T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 010052Z 06006KT 10SM FEW070 FEW250 26/13 A3008 RMK AO2 SLP180 T02560133","temp":25.6,"dewpoint":13.3,"humidity":47,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T01:52:00.000Z","obsTimeLocal":"2026-09-30T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 010152Z 09006KT 10SM FEW250 24/14 A3010 RMK AO2 SLP184 T02390144","temp":23.9,"dewpoint":14.4,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T02:52:00.000Z","obsTimeLocal":"2026-09-30T22:52:00-04:00","metarType":"METAR","raw":"METAR KATL 010252Z 10003KT 10SM FEW250 23/14 A3011 RMK AO2 SLP186 T02330144 51011","temp":23.3,"dewpoint":14.4,"humidity":57,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T03:52:00.000Z","obsTimeLocal":"2026-09-30T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 010352Z 09006KT 10SM FEW250 22/15 A3011 RMK AO2 SLP186 T02220150","temp":22.2,"dewpoint":15,"humidity":64,"wind":3.1,"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/2026-09-30","json":"https://weathermarket.io/api/station/KATL/2026-09-30","record":"https://weathermarket.io/api/station/KATL/2026-09-30?format=record","prev":"https://weathermarket.io/station/KATL/2026-09-29","next":"https://weathermarket.io/station/KATL/2026-10-01","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=30&year2=2026&month2=10&day2=2&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=30&hora=4&anof=2026&mesf=10&dayf=1&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KATL"}}}