{"station":{"icao":"KIAD","city":{"slug":"washington","name":"Washington D.C.","country":"United States"},"timezone":"America/New_York","lat":38.91,"lon":-77.04,"us":true,"html":"https://weathermarket.io/station/KIAD","json":"https://weathermarket.io/api/station/KIAD","nwsCli":{"html":"https://weathermarket.io/nws-cli/KIAD","json":"https://weathermarket.io/api/nws-cli/KIAD"}},"date":"2026-11-07","window":{"date":"2026-11-07","timezone":"America/New_York","dayStartUtc":"2026-11-07T05:00:00.000Z","dayEndUtc":"2026-11-08T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":14.4,"tmaxAt":"2026-11-07T17:52:00.000Z","tmin":7.8,"tminAt":"2026-11-08T04:52:00.000Z","tavg":11,"humidityMean":55.5,"windMean":5.6,"windMax":10.8,"windMaxAt":"2026-11-07T18:52:00.000Z","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":"2026-11-07T17:52:00.000Z","obsTimeLocal":"2026-11-07T12:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071752Z 30014G24KT 10SM FEW055 14/02 A2994 RMK AO2 PK WND 30026/1708 SLP137 T01440017 10150 20078 58016 $","temp":14.4,"dewpoint":1.7,"humidity":42,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-08T04:52:00.000Z","obsTimeLocal":"2026-11-07T23:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 080452Z 28005KT 10SM CLR 08/02 A3003 RMK AO2 SLP171 T00780017 401560078 $","temp":7.8,"dewpoint":1.7,"humidity":65,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-07T18:52:00.000Z","obsTimeLocal":"2026-11-07T13:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071852Z 28021G31KT 10SM SCT055 14/02 A2993 RMK AO2 PK WND 29031/1842 SLP133 T01440017 $","temp":14.4,"dewpoint":1.7,"humidity":42,"wind":10.8,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-08T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"ab55cc19515c2bad","lastChangedAt":"2026-11-08T04:55:39.275Z","corrections":[{"obsTimeUtc":"2026-11-07T11:52:00.000Z","correctedAt":"2026-11-07T12:04:38.545Z","original":"METAR KIAD 071152Z AUTO 33003KT 10SM CLR 08/01 A2998 RMK AO2 SLP151 T00830011 10139 20083 51011 $","corrected":"METAR KIAD 071152Z COR 33003KT 10SM FEW045 08/01 A2998 RMK AO2 SLP151 T00830011 10139 20083 51011 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KIAD/2026-11-07?format=record","status":"anchored","sha256":"70b70bcdaf93c6840c50e27b4787e3f902b9aa97b40afa657b3be5ae8ffc1773","revision":"ab55cc19515c2bad","flareTxHash":"0x739de64821fbaa86dc949254f49f277eb27ec7820ed5d72b52360e0fee2978e8","flareBlock":74029711,"anchoredAt":"2026-11-08T08:01:29.086Z","explorer":"https://flare-explorer.flare.network/tx/0x739de64821fbaa86dc949254f49f277eb27ec7820ed5d72b52360e0fee2978e8","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":"2026-11-07T17:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-08T04:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":14.4,"tmin":7.8,"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":15.56,"tmin":7.78,"precip":0,"corrected":false,"issuedAt":"2026-11-08T07:26:00.000Z","html":"https://weathermarket.io/nws-cli/KIAD/2026-11-07","json":"https://weathermarket.io/api/nws-cli/KIAD/2026-11-07"},"observations":[{"obsTimeUtc":"2026-11-07T05:52:00.000Z","obsTimeLocal":"2026-11-07T00:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 070552Z 32015G24KT 10SM FEW035 BKN075 14/07 A2992 RMK AO2 SLP129 T01390072 10161 20139 53008","temp":13.9,"dewpoint":7.2,"humidity":64,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T06:52:00.000Z","obsTimeLocal":"2026-11-07T01:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 070652Z 34012G24KT 10SM OVC060 13/06 A2993 RMK AO2 SLP136 T01280056","temp":12.8,"dewpoint":5.6,"humidity":62,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T07:52:00.000Z","obsTimeLocal":"2026-11-07T02:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 070752Z 32010KT 10SM BKN075 11/04 A2994 RMK AO2 SLP137 T01110044","temp":11.1,"dewpoint":4.4,"humidity":63,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T08:52:00.000Z","obsTimeLocal":"2026-11-07T03:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 070852Z 33008KT 10SM BKN065 10/04 A2995 RMK AO2 SLP139 T01000039 51009","temp":10,"dewpoint":3.9,"humidity":66,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T09:52:00.000Z","obsTimeLocal":"2026-11-07T04:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 070952Z 33010KT 10SM FEW065 09/02 A2996 RMK AO2 SLP144 T00940017","temp":9.4,"dewpoint":1.7,"humidity":59,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T10:52:00.000Z","obsTimeLocal":"2026-11-07T05:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071052Z 32005KT 10SM FEW065 09/01 A2997 RMK AO2 SLP147 T00890011 $","temp":8.9,"dewpoint":1.1,"humidity":58,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T11:52:00.000Z","obsTimeLocal":"2026-11-07T06:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071152Z COR 33003KT 10SM FEW045 08/01 A2998 RMK AO2 SLP151 T00830011 10139 20083 51011 $","temp":8.3,"dewpoint":1.1,"humidity":60,"wind":1.5,"precipObserved":false,"correctedAt":"2026-11-07T12:04:38.545Z","originalRaw":"METAR KIAD 071152Z AUTO 33003KT 10SM CLR 08/01 A2998 RMK AO2 SLP151 T00830011 10139 20083 51011 $"},{"obsTimeUtc":"2026-11-07T12:52:00.000Z","obsTimeLocal":"2026-11-07T07:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071252Z 33004KT 10SM FEW045 09/02 A2999 RMK AO2 SLP156 T00940017 $","temp":9.4,"dewpoint":1.7,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T13:52:00.000Z","obsTimeLocal":"2026-11-07T08:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071352Z 30006KT 10SM FEW045 11/02 A2999 RMK AO2 SLP156 T01110017 $","temp":11.1,"dewpoint":1.7,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T14:52:00.000Z","obsTimeLocal":"2026-11-07T09:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071452Z 31013G21KT 10SM FEW045 12/02 A2998 RMK AO2 SLP153 T01220022 50002 $","temp":12.2,"dewpoint":2.2,"humidity":50,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T15:52:00.000Z","obsTimeLocal":"2026-11-07T10:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071552Z 32014G24KT 10SM FEW045 13/02 A2998 RMK AO2 PK WND 32028/1535 SLP150 T01330017 $","temp":13.3,"dewpoint":1.7,"humidity":45,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T16:52:00.000Z","obsTimeLocal":"2026-11-07T11:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071652Z 32011G21KT 10SM FEW050 14/02 A2995 RMK AO2 SLP142 T01390017 $","temp":13.9,"dewpoint":1.7,"humidity":44,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T17:52:00.000Z","obsTimeLocal":"2026-11-07T12:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071752Z 30014G24KT 10SM FEW055 14/02 A2994 RMK AO2 PK WND 30026/1708 SLP137 T01440017 10150 20078 58016 $","temp":14.4,"dewpoint":1.7,"humidity":42,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T18:52:00.000Z","obsTimeLocal":"2026-11-07T13:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071852Z 28021G31KT 10SM SCT055 14/02 A2993 RMK AO2 PK WND 29031/1842 SLP133 T01440017 $","temp":14.4,"dewpoint":1.7,"humidity":42,"wind":10.8,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T19:52:00.000Z","obsTimeLocal":"2026-11-07T14:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 071952Z 29015G24KT 10SM SCT050 13/02 A2995 RMK AO2 PK WND 30032/1904 SLP143 T01280017 $","temp":12.8,"dewpoint":1.7,"humidity":47,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T20:52:00.000Z","obsTimeLocal":"2026-11-07T15:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 072052Z 32015G25KT 10SM SCT050 SCT065 13/02 A2996 RMK AO2 PK WND 30034/2023 SLP147 T01280017 53009 $","temp":12.8,"dewpoint":1.7,"humidity":47,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T21:52:00.000Z","obsTimeLocal":"2026-11-07T16:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 072152Z 30015G21KT 10SM FEW050 FEW065 11/02 A2999 RMK AO2 PK WND 32033/2104 SLP155 T01110022 $","temp":11.1,"dewpoint":2.2,"humidity":54,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T22:52:00.000Z","obsTimeLocal":"2026-11-07T17:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 072252Z 31009G20KT 10SM FEW050 11/02 A3001 RMK AO2 PK WND 29027/2225 SLP162 T01060022 $","temp":10.6,"dewpoint":2.2,"humidity":56,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-07T23:52:00.000Z","obsTimeLocal":"2026-11-07T18:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 072352Z 30016G25KT 10SM FEW050 10/02 A3003 RMK AO2 PK WND 29028/2349 SLP169 T01000017 10144 20100 51022 $","temp":10,"dewpoint":1.7,"humidity":56,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T00:52:00.000Z","obsTimeLocal":"2026-11-07T19:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 080052Z 30011KT 10SM FEW045 09/02 A3003 RMK AO2 SLP169 T00940017 $","temp":9.4,"dewpoint":1.7,"humidity":59,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T01:52:00.000Z","obsTimeLocal":"2026-11-07T20:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 080152Z 28008G17KT 10SM SCT043 09/02 A3004 RMK AO2 SLP171 T00890017 $","temp":8.9,"dewpoint":1.7,"humidity":61,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T02:52:00.000Z","obsTimeLocal":"2026-11-07T21:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 080252Z 30005KT 10SM SCT043 09/02 A3004 RMK AO2 SLP174 T00890017 53005 $","temp":8.9,"dewpoint":1.7,"humidity":61,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T03:52:00.000Z","obsTimeLocal":"2026-11-07T22:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 080352Z 29015G20KT 10SM FEW043 09/02 A3003 RMK AO2 SLP170 T00890017 $","temp":8.9,"dewpoint":1.7,"humidity":61,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T04:52:00.000Z","obsTimeLocal":"2026-11-07T23:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 080452Z 28005KT 10SM CLR 08/02 A3003 RMK AO2 SLP171 T00780017 401560078 $","temp":7.8,"dewpoint":1.7,"humidity":65,"wind":2.6,"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/KIAD/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KIAD/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KIAD for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KIAD/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/KIAD/2026-11-07","json":"https://weathermarket.io/api/station/KIAD/2026-11-07","record":"https://weathermarket.io/api/station/KIAD/2026-11-07?format=record","prev":"https://weathermarket.io/station/KIAD/2026-11-06","next":"https://weathermarket.io/station/KIAD/2026-11-08","station":"https://weathermarket.io/station/KIAD","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=IAD&data=metar&year1=2026&month1=11&day1=7&year2=2026&month2=11&day2=9&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=KIAD&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=11&day=7&hora=5&anof=2026&mesf=11&dayf=8&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KIAD"}}}