{"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":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/New_York","dayStartUtc":"2026-10-18T04:00:00.000Z","dayEndUtc":"2026-10-19T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":18.9,"tmaxAt":"2026-10-18T19:52:00.000Z","tmin":8.9,"tminAt":"2026-10-18T10:52:00.000Z","tavg":13.2,"humidityMean":44.6,"windMean":5.7,"windMax":8.7,"windMaxAt":"2026-10-18T13:52:00.000Z","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":"2026-10-18T19:52:00.000Z","obsTimeLocal":"2026-10-18T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181952Z 08009KT 10SM CLR 19/M03 A3039 RMK AO2 SLP291 T01891028","temp":18.9,"dewpoint":-2.8,"humidity":23,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T10:52:00.000Z","obsTimeLocal":"2026-10-18T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181052Z 07013KT 10SM CLR 09/02 A3043 RMK AO2 SLP304 T00890022 $","temp":8.9,"dewpoint":2.2,"humidity":63,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T13:52:00.000Z","obsTimeLocal":"2026-10-18T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181352Z 09017G24KT 10SM CLR 12/01 A3049 RMK AO2 PK WND 07026/1336 SLP325 T01170006 $","temp":11.7,"dewpoint":0.6,"humidity":46,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"b1d055919e205819","lastChangedAt":"2026-10-19T03:55:22.949Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KATL/2026-10-18?format=record","status":"anchored","sha256":"1beafc61c0599597a10577feec855790028b241dba03793b30e4cdc5747d684e","revision":"b1d055919e205819","flareTxHash":"0x0979db42477d6b5889c9056db8604e20986724061f63977cbf2f27725122e23c","flareBlock":72462385,"anchoredAt":"2026-10-19T07:01:49.841Z","explorer":"https://flare-explorer.flare.network/tx/0x0979db42477d6b5889c9056db8604e20986724061f63977cbf2f27725122e23c","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":"2026-10-18T19:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T10:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18.9,"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":19.44,"tmin":8.89,"precip":0,"corrected":false,"issuedAt":"2026-10-19T08:17:00.000Z","html":"https://weathermarket.io/nws-cli/KATL/2026-10-18","json":"https://weathermarket.io/api/nws-cli/KATL/2026-10-18"},"observations":[{"obsTimeUtc":"2026-10-18T04:52:00.000Z","obsTimeLocal":"2026-10-18T00:52:00-04:00","metarType":"METAR","raw":"METAR KATL 180452Z 04010KT 10SM CLR 11/04 A3036 RMK AO2 SLP280 T01110044 401940094 $","temp":11.1,"dewpoint":4.4,"humidity":63,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T05:52:00.000Z","obsTimeLocal":"2026-10-18T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 180552Z 05007KT 10SM CLR 11/04 A3036 RMK AO2 SLP280 T01110044 10144 20106 50008 $","temp":11.1,"dewpoint":4.4,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T06:52:00.000Z","obsTimeLocal":"2026-10-18T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 180652Z 07010KT 10SM CLR 11/04 A3037 RMK AO2 SLP283 T01060039 $","temp":10.6,"dewpoint":3.9,"humidity":63,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:52:00.000Z","obsTimeLocal":"2026-10-18T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 180752Z 08010KT 10SM CLR 10/03 A3038 RMK AO2 SLP287 T01000033 $","temp":10,"dewpoint":3.3,"humidity":63,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:52:00.000Z","obsTimeLocal":"2026-10-18T04:52:00-04:00","metarType":"METAR","raw":"METAR KATL 180852Z 07011KT 10SM CLR 10/03 A3039 RMK AO2 SLP290 T01000028 51010 $","temp":10,"dewpoint":2.8,"humidity":61,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:52:00.000Z","obsTimeLocal":"2026-10-18T05:52:00-04:00","metarType":"METAR","raw":"METAR KATL 180952Z 07012KT 10SM CLR 09/03 A3041 RMK AO2 SLP298 T00940028 $","temp":9.4,"dewpoint":2.8,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:52:00.000Z","obsTimeLocal":"2026-10-18T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181052Z 07013KT 10SM CLR 09/02 A3043 RMK AO2 SLP304 T00890022 $","temp":8.9,"dewpoint":2.2,"humidity":63,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:52:00.000Z","obsTimeLocal":"2026-10-18T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181152Z 07013KT 10SM CLR 09/02 A3044 RMK AO2 SLP310 T00890017 10111 20089 51016 $","temp":8.9,"dewpoint":1.7,"humidity":61,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:52:00.000Z","obsTimeLocal":"2026-10-18T08:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181252Z 07016KT 10SM CLR 10/02 A3046 RMK AO2 SLP315 T01000017 $","temp":10,"dewpoint":1.7,"humidity":56,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:52:00.000Z","obsTimeLocal":"2026-10-18T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181352Z 09017G24KT 10SM CLR 12/01 A3049 RMK AO2 PK WND 07026/1336 SLP325 T01170006 $","temp":11.7,"dewpoint":0.6,"humidity":46,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:52:00.000Z","obsTimeLocal":"2026-10-18T10:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181452Z 09016G23KT 10SM CLR 13/M01 A3049 RMK AO2 PK WND 10026/1409 SLP327 T01281006 51017 $","temp":12.8,"dewpoint":-0.6,"humidity":40,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:52:00.000Z","obsTimeLocal":"2026-10-18T11:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181552Z 08012G20KT 10SM CLR 14/M02 A3049 RMK AO2 SLP324 T01441017 $","temp":14.4,"dewpoint":-1.7,"humidity":33,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:52:00.000Z","obsTimeLocal":"2026-10-18T12:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181652Z 08009G20KT 10SM CLR 16/M01 A3047 RMK AO2 SLP317 T01561006 $","temp":15.6,"dewpoint":-0.6,"humidity":33,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:52:00.000Z","obsTimeLocal":"2026-10-18T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181752Z 09013G21KT 10SM CLR 18/M02 A3044 RMK AO2 SLP305 T01781017 10178 20089 58019","temp":17.8,"dewpoint":-1.7,"humidity":27,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:52:00.000Z","obsTimeLocal":"2026-10-18T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181852Z 08013KT 10SM CLR 18/M03 A3041 RMK AO2 SLP296 T01831028","temp":18.3,"dewpoint":-2.8,"humidity":24,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:52:00.000Z","obsTimeLocal":"2026-10-18T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 181952Z 08009KT 10SM CLR 19/M03 A3039 RMK AO2 SLP291 T01891028","temp":18.9,"dewpoint":-2.8,"humidity":23,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:52:00.000Z","obsTimeLocal":"2026-10-18T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 182052Z 08012KT 10SM CLR 19/M02 A3038 RMK AO2 SLP287 T01891022 56017","temp":18.9,"dewpoint":-2.2,"humidity":24,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:52:00.000Z","obsTimeLocal":"2026-10-18T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 182152Z 05009KT 10SM CLR 18/M03 A3038 RMK AO2 SLP287 T01831033 $","temp":18.3,"dewpoint":-3.3,"humidity":23,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:52:00.000Z","obsTimeLocal":"2026-10-18T18:52:00-04:00","metarType":"METAR","raw":"METAR KATL 182252Z 08009KT 10SM CLR 16/M02 A3038 RMK AO2 SLP288 T01611022 $","temp":16.1,"dewpoint":-2.2,"humidity":28,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:52:00.000Z","obsTimeLocal":"2026-10-18T19:52:00-04:00","metarType":"METAR","raw":"METAR KATL 182352Z 07009KT 10SM CLR 15/M01 A3039 RMK AO2 SLP291 T01501011 10194 20150 53002 $","temp":15,"dewpoint":-1.1,"humidity":33,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:52:00.000Z","obsTimeLocal":"2026-10-18T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 190052Z 07010KT 10SM CLR 14/M01 A3040 RMK AO2 SLP295 T01441006 $","temp":14.4,"dewpoint":-0.6,"humidity":36,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:52:00.000Z","obsTimeLocal":"2026-10-18T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 190152Z 09009KT 10SM CLR 13/00 A3041 RMK AO2 SLP298 T01280000 $","temp":12.8,"dewpoint":0,"humidity":41,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:52:00.000Z","obsTimeLocal":"2026-10-18T22:52:00-04:00","metarType":"METAR","raw":"METAR KATL 190252Z 09008KT 10SM CLR 11/01 A3042 RMK AO2 SLP301 T01110011 51010 $","temp":11.1,"dewpoint":1.1,"humidity":50,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:52:00.000Z","obsTimeLocal":"2026-10-18T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 190352Z 09008KT 10SM CLR 10/01 A3043 RMK AO2 SLP303 T01000011 $","temp":10,"dewpoint":1.1,"humidity":54,"wind":4.1,"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/2026-10-18","json":"https://weathermarket.io/api/station/KATL/2026-10-18","record":"https://weathermarket.io/api/station/KATL/2026-10-18?format=record","prev":"https://weathermarket.io/station/KATL/2026-10-17","next":"https://weathermarket.io/station/KATL/2026-10-19","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=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=KATL&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=18&hora=4&anof=2026&mesf=10&dayf=19&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KATL"}}}