{"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":"2026-11-02","window":{"date":"2026-11-02","timezone":"America/New_York","dayStartUtc":"2026-11-02T05:00:00.000Z","dayEndUtc":"2026-11-03T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":17.2,"tmaxAt":"2026-11-02T18:52:00.000Z","tmin":6.1,"tminAt":"2026-11-02T10:52:00.000Z","tavg":11.5,"humidityMean":73,"windMean":1.6,"windMax":3.6,"windMaxAt":"2026-11-02T16:52:00.000Z","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":"2026-11-02T18:52:00.000Z","obsTimeLocal":"2026-11-02T13:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021852Z 14006KT 10SM BKN100 OVC230 17/07 A3035 RMK AO2 SLP277 T01720067 $","temp":17.2,"dewpoint":6.7,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-02T10:52:00.000Z","obsTimeLocal":"2026-11-02T05:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021052Z 00000KT 10SM BKN250 06/05 A3044 RMK AO2 SLP306 T00610050 $","temp":6.1,"dewpoint":5,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-02T16:52:00.000Z","obsTimeLocal":"2026-11-02T11:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021652Z 21007KT 10SM SCT120 BKN230 16/07 A3040 RMK AO2 SLP294 T01560067 $","temp":15.6,"dewpoint":6.7,"humidity":55,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-03T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"da788c3700ab8be8","lastChangedAt":"2026-11-03T04:54:38.330Z","corrections":[{"obsTimeUtc":"2026-11-02T08:52:00.000Z","correctedAt":"2026-11-02T09:46:38.585Z","original":"METAR KIAD 020852Z 00000KT 10SM CLR 07/05 A3043 RMK AO2 SLP304 T00670050 58012 $","corrected":"METAR KIAD 020852Z COR 00000KT 10SM BKN250 07/05 A3043 RMK AO2 SLP304 T00670050 58012 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KIAD/2026-11-02?format=record","status":"anchored","sha256":"98603db2f38ac74b08d419d7d887e2ec58b0e8467d017bdee5bb0d09079ab4a1","revision":"da788c3700ab8be8","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":"2026-11-02T18:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-02T10:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":17.2,"tmin":6.1,"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":17.22,"tmin":6.11,"precip":0,"corrected":false,"issuedAt":"2026-11-03T07:27:00.000Z","html":"https://weathermarket.io/nws-cli/KIAD/2026-11-02","json":"https://weathermarket.io/api/nws-cli/KIAD/2026-11-02"},"observations":[{"obsTimeUtc":"2026-11-02T05:52:00.000Z","obsTimeLocal":"2026-11-02T00:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 020552Z 00000KT 10SM SCT250 07/04 A3046 RMK AO2 SLP315 T00670039 10133 20061 55006 $","temp":6.7,"dewpoint":3.9,"humidity":82,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T06:52:00.000Z","obsTimeLocal":"2026-11-02T01:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 020652Z 14003KT 10SM SCT250 07/04 A3046 RMK AO2 SLP312 T00670039 $","temp":6.7,"dewpoint":3.9,"humidity":82,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T07:52:00.000Z","obsTimeLocal":"2026-11-02T02:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 020752Z 00000KT 10SM BKN250 07/04 A3044 RMK AO2 SLP309 T00670044 $","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T08:52:00.000Z","obsTimeLocal":"2026-11-02T03:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 020852Z COR 00000KT 10SM BKN250 07/05 A3043 RMK AO2 SLP304 T00670050 58012 $","temp":6.7,"dewpoint":5,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":"2026-11-02T09:46:38.585Z","originalRaw":"METAR KIAD 020852Z 00000KT 10SM CLR 07/05 A3043 RMK AO2 SLP304 T00670050 58012 $"},{"obsTimeUtc":"2026-11-02T09:52:00.000Z","obsTimeLocal":"2026-11-02T04:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 020952Z 00000KT 10SM BKN250 07/05 A3043 RMK AO2 SLP306 T00670050 $","temp":6.7,"dewpoint":5,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T10:52:00.000Z","obsTimeLocal":"2026-11-02T05:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021052Z 00000KT 10SM BKN250 06/05 A3044 RMK AO2 SLP306 T00610050 $","temp":6.1,"dewpoint":5,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T11:52:00.000Z","obsTimeLocal":"2026-11-02T06:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021152Z 00000KT 8SM SCT095 BKN250 07/05 A3044 RMK AO2 SLP308 T00670050 10078 20061 51004 $","temp":6.7,"dewpoint":5,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T12:52:00.000Z","obsTimeLocal":"2026-11-02T07:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021252Z 00000KT 10SM BKN095 BKN250 09/07 A3046 RMK AO2 SLP314 T00940067 $","temp":9.4,"dewpoint":6.7,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T13:52:00.000Z","obsTimeLocal":"2026-11-02T08:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021352Z 22004KT 10SM BKN100 BKN250 12/06 A3046 RMK AO2 SLP314 T01170061 $","temp":11.7,"dewpoint":6.1,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T14:52:00.000Z","obsTimeLocal":"2026-11-02T09:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021452Z 18004KT 10SM SCT085 BKN250 12/07 A3045 RMK AO2 SLP311 T01220067 50003 $","temp":12.2,"dewpoint":6.7,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T15:52:00.000Z","obsTimeLocal":"2026-11-02T10:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021552Z 20004KT 10SM SCT110 BKN230 13/07 A3043 RMK AO2 SLP305 T01330067 $","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T16:52:00.000Z","obsTimeLocal":"2026-11-02T11:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021652Z 21007KT 10SM SCT120 BKN230 16/07 A3040 RMK AO2 SLP294 T01560067 $","temp":15.6,"dewpoint":6.7,"humidity":55,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T17:52:00.000Z","obsTimeLocal":"2026-11-02T12:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021752Z 17005KT 10SM BKN100 BKN230 17/07 A3037 RMK AO2 SLP286 T01670067 10167 20067 58025 $","temp":16.7,"dewpoint":6.7,"humidity":52,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T18:52:00.000Z","obsTimeLocal":"2026-11-02T13:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021852Z 14006KT 10SM BKN100 OVC230 17/07 A3035 RMK AO2 SLP277 T01720067 $","temp":17.2,"dewpoint":6.7,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T19:52:00.000Z","obsTimeLocal":"2026-11-02T14:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 021952Z 13006KT 10SM OVC100 17/07 A3034 RMK AO2 SLP276 T01720072 $","temp":17.2,"dewpoint":7.2,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T20:52:00.000Z","obsTimeLocal":"2026-11-02T15:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 022052Z 16006KT 10SM BKN100 BKN150 17/07 A3033 RMK AO2 SLP272 T01720072 56014 $","temp":17.2,"dewpoint":7.2,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T21:52:00.000Z","obsTimeLocal":"2026-11-02T16:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 022152Z 13005KT 10SM BKN100 BKN150 16/08 A3034 RMK AO2 SLP275 T01610078 $","temp":16.1,"dewpoint":7.8,"humidity":58,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T22:52:00.000Z","obsTimeLocal":"2026-11-02T17:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 022252Z 14006KT 10SM BKN095 BKN150 14/07 A3034 RMK AO2 SLP275 T01390072 $","temp":13.9,"dewpoint":7.2,"humidity":64,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T23:52:00.000Z","obsTimeLocal":"2026-11-02T18:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 022352Z 15005KT 10SM OVC095 13/08 A3035 RMK AO2 SLP277 T01330078 10172 20133 51005 $","temp":13.3,"dewpoint":7.8,"humidity":69,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T00:52:00.000Z","obsTimeLocal":"2026-11-02T19:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 030052Z 16003KT 10SM FEW095 13/08 A3035 RMK AO2 SLP278 T01280078 $","temp":12.8,"dewpoint":7.8,"humidity":72,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T01:52:00.000Z","obsTimeLocal":"2026-11-02T20:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 030152Z 16004KT 10SM CLR 12/08 A3035 RMK AO2 SLP279 T01170083 $","temp":11.7,"dewpoint":8.3,"humidity":80,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T02:52:00.000Z","obsTimeLocal":"2026-11-02T21:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 030252Z 17005KT 10SM CLR 12/08 A3035 RMK AO2 SLP279 T01170083 51002 $","temp":11.7,"dewpoint":8.3,"humidity":80,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T03:52:00.000Z","obsTimeLocal":"2026-11-02T22:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 030352Z 18003KT 10SM CLR 11/08 A3034 RMK AO2 SLP274 T01110078 $","temp":11.1,"dewpoint":7.8,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T04:52:00.000Z","obsTimeLocal":"2026-11-02T23:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 030452Z 00000KT 10SM CLR 08/07 A3033 RMK AO2 SLP270 T00830072 401720061 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":0,"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/2026-11-02","json":"https://weathermarket.io/api/station/KIAD/2026-11-02","record":"https://weathermarket.io/api/station/KIAD/2026-11-02?format=record","prev":"https://weathermarket.io/station/KIAD/2026-11-01","next":"https://weathermarket.io/station/KIAD/2026-11-03","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=2&year2=2026&month2=11&day2=4&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=2&hora=5&anof=2026&mesf=11&dayf=3&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KIAD"}}}