{"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":"2026-10-16","window":{"date":"2026-10-16","timezone":"America/New_York","dayStartUtc":"2026-10-16T04:00:00.000Z","dayEndUtc":"2026-10-17T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":28.3,"tmaxAt":"2026-10-16T17:52:00.000Z","tmin":15,"tminAt":"2026-10-17T03:52:00.000Z","tavg":22.5,"humidityMean":65.5,"windMean":4.9,"windMax":11.8,"windMaxAt":"2026-10-17T00:52:00.000Z","precipObservedCount":0,"nObservations":27,"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":"2026-10-16T17:52:00.000Z","obsTimeLocal":"2026-10-16T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161752Z 27009G21KT 10SM SCT046 SCT070 28/17 A3001 RMK AO2 SLP152 MDT CU ALQDS T02830167 10289 20183 58019 $","temp":28.3,"dewpoint":16.7,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-17T03:52:00.000Z","obsTimeLocal":"2026-10-16T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 170352Z 32016G26KT 10SM FEW030 BKN050 BKN080 15/07 A3010 RMK AO2 PK WND 34042/0311 SLP186 T01500072 $","temp":15,"dewpoint":7.2,"humidity":60,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-17T00:52:00.000Z","obsTimeLocal":"2026-10-16T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 170052Z 32023G32KT 10SM SCT026 BKN080 22/16 A2999 RMK AO2 PK WND 34032/0050 SLP148 T02170161 $","temp":21.7,"dewpoint":16.1,"humidity":70,"wind":11.8,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-17T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"2faf56047a32aab1","lastChangedAt":"2026-10-17T03:55:43.230Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KATL/2026-10-16?format=record","status":"anchored","sha256":"c36b18780536b2388152fec09f9b21c9ce06ca6c63bc970ce8c53120cf42fc5e","revision":"2faf56047a32aab1","flareTxHash":"0x6dd7540c3a5b752af477a1be3379167016258e2a92941144be00565560b9d306","flareBlock":72307470,"anchoredAt":"2026-10-17T07:01:32.570Z","explorer":"https://flare-explorer.flare.network/tx/0x6dd7540c3a5b752af477a1be3379167016258e2a92941144be00565560b9d306","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":27,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-16T17:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-17T03:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":28.3,"tmin":15,"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":28.89,"tmin":14.44,"precip":0,"corrected":false,"issuedAt":"2026-10-17T08:19:00.000Z","html":"https://weathermarket.io/nws-cli/KATL/2026-10-16","json":"https://weathermarket.io/api/nws-cli/KATL/2026-10-16"},"observations":[{"obsTimeUtc":"2026-10-16T04:52:00.000Z","obsTimeLocal":"2026-10-16T00:52:00-04:00","metarType":"METAR","raw":"METAR KATL 160452Z 27004KT 10SM FEW050 21/17 A3009 RMK AO2 SLP178 T02110167 403110178 $","temp":21.1,"dewpoint":16.7,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T05:52:00.000Z","obsTimeLocal":"2026-10-16T01:52:00-04:00","metarType":"METAR","raw":"METAR KATL 160552Z 25003KT 10SM FEW055 21/16 A3008 RMK AO2 SLP176 T02110161 10256 20211 58002 $","temp":21.1,"dewpoint":16.1,"humidity":73,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T06:52:00.000Z","obsTimeLocal":"2026-10-16T02:52:00-04:00","metarType":"METAR","raw":"METAR KATL 160652Z 27006KT 10SM SCT055 21/16 A3008 RMK AO2 SLP177 T02110156 $","temp":21.1,"dewpoint":15.6,"humidity":71,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T07:52:00.000Z","obsTimeLocal":"2026-10-16T03:52:00-04:00","metarType":"METAR","raw":"METAR KATL 160752Z 28007KT 10SM SCT055 21/16 A3008 RMK AO2 SLP176 T02060161 $","temp":20.6,"dewpoint":16.1,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T08:52:00.000Z","obsTimeLocal":"2026-10-16T04:52:00-04:00","metarType":"METAR","raw":"METAR KATL 160852Z 28004KT 10SM SCT055 20/16 A3008 RMK AO2 SLP175 T02000161 58001 $","temp":20,"dewpoint":16.1,"humidity":78,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T09:52:00.000Z","obsTimeLocal":"2026-10-16T05:52:00-04:00","metarType":"METAR","raw":"METAR KATL 160952Z 26004KT 10SM SCT055 20/16 A3007 RMK AO2 SLP174 T02000161 $","temp":20,"dewpoint":16.1,"humidity":78,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T10:52:00.000Z","obsTimeLocal":"2026-10-16T06:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161052Z 22003KT 10SM FEW055 19/16 A3008 RMK AO2 SLP176 T01940161","temp":19.4,"dewpoint":16.1,"humidity":81,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T11:52:00.000Z","obsTimeLocal":"2026-10-16T07:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161152Z 26003KT 10SM FEW055 18/16 A3008 RMK AO2 SLP177 T01830161 10222 20183 56000","temp":18.3,"dewpoint":16.1,"humidity":87,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T12:52:00.000Z","obsTimeLocal":"2026-10-16T08:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161252Z 23003KT 10SM FEW050 21/17 A3008 RMK AO2 SLP176 T02110167","temp":21.1,"dewpoint":16.7,"humidity":76,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T13:52:00.000Z","obsTimeLocal":"2026-10-16T09:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161352Z 26006KT 10SM FEW050 24/17 A3008 RMK AO2 SLP178 T02390167","temp":23.9,"dewpoint":16.7,"humidity":64,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T14:52:00.000Z","obsTimeLocal":"2026-10-16T10:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161452Z 27010KT 10SM FEW250 26/18 A3007 RMK AO2 SLP173 T02560178 58003","temp":25.6,"dewpoint":17.8,"humidity":62,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T15:52:00.000Z","obsTimeLocal":"2026-10-16T11:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161552Z 27008KT 10SM FEW032 27/18 A3005 RMK AO2 SLP168 T02670178","temp":26.7,"dewpoint":17.8,"humidity":58,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T16:52:00.000Z","obsTimeLocal":"2026-10-16T12:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161652Z 25010G21KT 10SM SCT042 SCT250 28/17 A3004 RMK AO2 SLP164 MDT CU NE SE T02780167","temp":27.8,"dewpoint":16.7,"humidity":51,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T17:52:00.000Z","obsTimeLocal":"2026-10-16T13:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161752Z 27009G21KT 10SM SCT046 SCT070 28/17 A3001 RMK AO2 SLP152 MDT CU ALQDS T02830167 10289 20183 58019 $","temp":28.3,"dewpoint":16.7,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T18:52:00.000Z","obsTimeLocal":"2026-10-16T14:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161852Z 25013G20KT 10SM SCT048 SCT065 28/16 A2998 RMK AO2 SLP141 MDT CU ALQDS T02830161 $","temp":28.3,"dewpoint":16.1,"humidity":48,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T19:52:00.000Z","obsTimeLocal":"2026-10-16T15:52:00-04:00","metarType":"METAR","raw":"METAR KATL 161952Z 24007KT 10SM SCT048 SCT065 28/17 A2996 RMK AO2 SLP135 MDT CU ALQDS T02830167 $","temp":28.3,"dewpoint":16.7,"humidity":49,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T20:52:00.000Z","obsTimeLocal":"2026-10-16T16:52:00-04:00","metarType":"METAR","raw":"METAR KATL 162052Z 26008KT 10SM FEW048 SCT080 SCT220 28/16 A2995 RMK AO2 SLP133 T02780161 56020 $","temp":27.8,"dewpoint":16.1,"humidity":49,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T21:52:00.000Z","obsTimeLocal":"2026-10-16T17:52:00-04:00","metarType":"METAR","raw":"METAR KATL 162152Z 27010KT 10SM FEW050 SCT080 SCT200 27/15 A2994 RMK AO2 SLP129 T02720150 $","temp":27.2,"dewpoint":15,"humidity":47,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T22:52:00.000Z","obsTimeLocal":"2026-10-16T18:52:00-04:00","metarType":"METAR","raw":"METAR KATL 162252Z 26007KT 10SM FEW050TCU BKN090 BKN200 26/16 A2994 RMK AO2 SLP131 TCU SW-NW T02560161 $","temp":25.6,"dewpoint":16.1,"humidity":56,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:21:00.000Z","obsTimeLocal":"2026-10-16T19:21:00-04:00","metarType":"SPECI","raw":"SPECI KATL 162321Z 30011KT 10SM FEW045TCU BKN060 BKN090 BKN250 24/17 A2996 RMK AO2 PK WND 28027/2307 FROPA TCU SE-OHD-NW T02440167 $","temp":24.4,"dewpoint":16.7,"humidity":62,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:52:00.000Z","obsTimeLocal":"2026-10-16T19:52:00-04:00","metarType":"METAR","raw":"METAR KATL 162352Z 30011KT 10SM FEW040 BKN065 BKN090 BKN250 22/18 A2996 RMK AO2 PK WND 28027/2307 RAB33E50 SLP139 P0000 60000 T02220183 10289 20222 53003 $","temp":22.2,"dewpoint":18.3,"humidity":79,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T00:52:00.000Z","obsTimeLocal":"2026-10-16T20:52:00-04:00","metarType":"METAR","raw":"METAR KATL 170052Z 32023G32KT 10SM SCT026 BKN080 22/16 A2999 RMK AO2 PK WND 34032/0050 SLP148 T02170161 $","temp":21.7,"dewpoint":16.1,"humidity":70,"wind":11.8,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:22:00.000Z","obsTimeLocal":"2026-10-16T21:22:00-04:00","metarType":"SPECI","raw":"SPECI KATL 170122Z 32016G27KT 10SM BKN026 BKN080 BKN110 20/14 A3001 RMK AO2 PK WND 32031/0058 T02000144 $","temp":20,"dewpoint":14.4,"humidity":70,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:52:00.000Z","obsTimeLocal":"2026-10-16T21:52:00-04:00","metarType":"METAR","raw":"METAR KATL 170152Z 33018G32KT 10SM BKN023 BKN080 BKN110 19/13 A3002 RMK AO2 PK WND 32032/0145 SLP159 T01890133 $","temp":18.9,"dewpoint":13.3,"humidity":70,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T02:52:00.000Z","obsTimeLocal":"2026-10-16T22:52:00-04:00","metarType":"METAR","raw":"METAR KATL 170252Z 32016G27KT 10SM BKN026 BKN040 BKN060 17/10 A3007 RMK AO2 PK WND 32032/0237 SLP175 T01670100 53036 $","temp":16.7,"dewpoint":10,"humidity":65,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:08:00.000Z","obsTimeLocal":"2026-10-16T23:08:00-04:00","metarType":"SPECI","raw":"SPECI KATL 170308Z 32019G27KT 10SM BKN030 BKN040 BKN070 16/09 A3007 RMK AO2 PK WND 32027/0308 T01610094 $","temp":16.1,"dewpoint":9.4,"humidity":64,"wind":9.8,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:52:00.000Z","obsTimeLocal":"2026-10-16T23:52:00-04:00","metarType":"METAR","raw":"METAR KATL 170352Z 32016G26KT 10SM FEW030 BKN050 BKN080 15/07 A3010 RMK AO2 PK WND 34042/0311 SLP186 T01500072 $","temp":15,"dewpoint":7.2,"humidity":60,"wind":8.2,"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/2026-10-16","json":"https://weathermarket.io/api/station/KATL/2026-10-16","record":"https://weathermarket.io/api/station/KATL/2026-10-16?format=record","prev":"https://weathermarket.io/station/KATL/2026-10-15","next":"https://weathermarket.io/station/KATL/2026-10-17","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=16&year2=2026&month2=10&day2=18&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=16&hora=4&anof=2026&mesf=10&dayf=17&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KATL"}}}