{"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":"2026-11-13","window":{"date":"2026-11-13","timezone":"America/New_York","dayStartUtc":"2026-11-13T05:00:00.000Z","dayEndUtc":"2026-11-14T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":false,"values":{"tmax":9.4,"tmaxAt":"2026-11-13T18:52:00.000Z","tmin":5,"tminAt":"2026-11-14T02:52:00.000Z","tavg":8.1,"humidityMean":56.3,"windMean":5.7,"windMax":7.7,"windMaxAt":"2026-11-13T14:52:00.000Z","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":"2026-11-13T18:52:00.000Z","obsTimeLocal":"2026-11-13T13:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131852Z 36011G19KT 10SM BKN044 09/00 A2969 RMK AO2 SLP055 T00940000","temp":9.4,"dewpoint":0,"humidity":52,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-14T02:52:00.000Z","obsTimeLocal":"2026-11-13T21:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 140252Z 31005KT 10SM SCT060 05/M03 A2982 RMK AO2 SLP097 T00501033 51009 $","temp":5,"dewpoint":-3.3,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-13T14:52:00.000Z","obsTimeLocal":"2026-11-13T09:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131452Z 34015G22KT 10SM BKN038 BKN055 08/M01 A2968 RMK AO2 SLP052 T00781006 51021 $","temp":7.8,"dewpoint":-0.6,"humidity":55,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"open","finalAt":"2026-11-14T08:00:00.000Z","settleable":false,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["day_not_ended: local day ends at 2026-11-14T05:00:00.000Z"],"holdHours":3},"revision":"79635d6993c96154","lastChangedAt":"2026-11-14T02:55:18.421Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KIAD/2026-11-13?format=record","status":"awaiting_final","sha256":null,"revision":null,"flareTxHash":null,"flareBlock":null,"anchoredAt":null,"explorer":null,"matchesCurrent":null,"note":"The record is anchored once it is final (2026-11-14T08:00:00.000Z); until then it can still change"},"qc":{"summary":{"good":27,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-13T18:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-14T02:52:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":9.4,"tmin":5,"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":"pending","tmax":null,"tmin":null,"precip":null,"corrected":false,"issuedAt":null,"html":"https://weathermarket.io/nws-cli/KIAD/2026-11-13","json":"https://weathermarket.io/api/nws-cli/KIAD/2026-11-13"},"observations":[{"obsTimeUtc":"2026-11-13T05:52:00.000Z","obsTimeLocal":"2026-11-13T00:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 130552Z 32009KT 10SM BKN033 BKN055 09/03 A2954 RMK AO2 SLP001 T00890033 10128 20089 53009","temp":8.9,"dewpoint":3.3,"humidity":68,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T06:23:00.000Z","obsTimeLocal":"2026-11-13T01:23:00-05:00","metarType":"SPECI","raw":"SPECI KIAD 130623Z 34010KT 10SM BKN029 OVC035 09/03 A2954 RMK AO2 T00890028","temp":8.9,"dewpoint":2.8,"humidity":66,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T06:50:00.000Z","obsTimeLocal":"2026-11-13T01:50:00-05:00","metarType":"SPECI","raw":"SPECI KIAD 130650Z 33012G21KT 10SM OVC031 09/02 A2955 RMK AO2","temp":9,"dewpoint":2,"humidity":62,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T06:52:00.000Z","obsTimeLocal":"2026-11-13T01:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 130652Z 34012G21KT 10SM OVC031 09/02 A2955 RMK AO2 SLP005 T00890022","temp":8.9,"dewpoint":2.2,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T07:52:00.000Z","obsTimeLocal":"2026-11-13T02:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 130752Z 34012G20KT 10SM OVC030 08/02 A2957 RMK AO2 SLP011 T00830017 $","temp":8.3,"dewpoint":1.7,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T08:52:00.000Z","obsTimeLocal":"2026-11-13T03:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 130852Z 35012G20KT 10SM OVC034 08/01 A2957 RMK AO2 SLP012 T00780011 51006 $","temp":7.8,"dewpoint":1.1,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T09:52:00.000Z","obsTimeLocal":"2026-11-13T04:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 130952Z 35011G19KT 10SM OVC035 08/01 A2958 RMK AO2 SLP015 T00780011 $","temp":7.8,"dewpoint":1.1,"humidity":63,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T10:52:00.000Z","obsTimeLocal":"2026-11-13T05:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131052Z 35008KT 10SM OVC033 08/01 A2960 RMK AO2 SLP022 T00780011 $","temp":7.8,"dewpoint":1.1,"humidity":63,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T11:17:00.000Z","obsTimeLocal":"2026-11-13T06:17:00-05:00","metarType":"SPECI","raw":"SPECI KIAD 131117Z 10SM OVC035 08/01 A2961 RMK AO2 T00780006 $","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":null,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T11:21:00.000Z","obsTimeLocal":"2026-11-13T06:21:00-05:00","metarType":"SPECI","raw":"SPECI KIAD 131121Z 34012G19KT 10SM OVC035 08/01 A2961 RMK AO2 T00780006 $","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T11:52:00.000Z","obsTimeLocal":"2026-11-13T06:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131152Z 35014G20KT 10SM BKN035 07/00 A2962 RMK AO2 SLP030 70002 T00720000 10089 20072 53018","temp":7.2,"dewpoint":0,"humidity":60,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T12:52:00.000Z","obsTimeLocal":"2026-11-13T07:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131252Z 35010G21KT 10SM BKN034 07/00 A2965 RMK AO2 SLP041 T00720000","temp":7.2,"dewpoint":0,"humidity":60,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T13:52:00.000Z","obsTimeLocal":"2026-11-13T08:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131352Z 35014G25KT 10SM OVC038 08/00 A2966 RMK AO2 SLP044 T00780000 $","temp":7.8,"dewpoint":0,"humidity":58,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T14:52:00.000Z","obsTimeLocal":"2026-11-13T09:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131452Z 34015G22KT 10SM BKN038 BKN055 08/M01 A2968 RMK AO2 SLP052 T00781006 51021 $","temp":7.8,"dewpoint":-0.6,"humidity":55,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T15:52:00.000Z","obsTimeLocal":"2026-11-13T10:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131552Z 33013G21KT 10SM BKN037 09/M01 A2970 RMK AO2 PK WND 36027/1529 SLP056 T00891006 $","temp":8.9,"dewpoint":-0.6,"humidity":51,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T16:52:00.000Z","obsTimeLocal":"2026-11-13T11:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131652Z 33014G19KT 10SM BKN044 09/M01 A2969 RMK AO2 SLP054 T00891011","temp":8.9,"dewpoint":-1.1,"humidity":50,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T17:52:00.000Z","obsTimeLocal":"2026-11-13T12:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131752Z 35013KT 10SM BKN044 09/M01 A2969 RMK AO2 SLP055 T00891006 10094 20072 51003","temp":8.9,"dewpoint":-0.6,"humidity":51,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T18:52:00.000Z","obsTimeLocal":"2026-11-13T13:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131852Z 36011G19KT 10SM BKN044 09/00 A2969 RMK AO2 SLP055 T00940000","temp":9.4,"dewpoint":0,"humidity":52,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T19:52:00.000Z","obsTimeLocal":"2026-11-13T14:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 131952Z 36010G20KT 10SM BKN047 09/M01 A2970 RMK AO2 SLP058 T00891006 $","temp":8.9,"dewpoint":-0.6,"humidity":51,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T20:52:00.000Z","obsTimeLocal":"2026-11-13T15:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 132052Z 34007KT 10SM BKN045 09/00 A2973 RMK AO2 SLP066 T00940000 53011 $","temp":9.4,"dewpoint":0,"humidity":52,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T21:52:00.000Z","obsTimeLocal":"2026-11-13T16:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 132152Z 36008KT 10SM SCT055 08/M01 A2975 RMK AO2 SLP074 T00831011 $","temp":8.3,"dewpoint":-1.1,"humidity":52,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T22:52:00.000Z","obsTimeLocal":"2026-11-13T17:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 132252Z 33008KT 10SM BKN055 08/M01 A2977 RMK AO2 SLP081 T00831011 $","temp":8.3,"dewpoint":-1.1,"humidity":52,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T23:10:00.000Z","obsTimeLocal":"2026-11-13T18:10:00-05:00","metarType":"SPECI","raw":"SPECI KIAD 132310Z 32011G22KT 10SM BKN055 08/M02 A2977 RMK AO2 T00831022 $","temp":8.3,"dewpoint":-2.2,"humidity":48,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T23:52:00.000Z","obsTimeLocal":"2026-11-13T18:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 132352Z 32013G21KT 10SM BKN055 08/M03 A2979 RMK AO2 SLP088 T00781028 10100 20078 53021 $","temp":7.8,"dewpoint":-2.8,"humidity":47,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-14T00:52:00.000Z","obsTimeLocal":"2026-11-13T19:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 140052Z 33011G21KT 10SM OVC060 07/M03 A2980 RMK AO2 SLP093 T00721028 $","temp":7.2,"dewpoint":-2.8,"humidity":49,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-14T01:52:00.000Z","obsTimeLocal":"2026-11-13T20:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 140152Z 35011KT 10SM SCT060 07/M04 A2981 RMK AO2 SLP096 T00671039 $","temp":6.7,"dewpoint":-3.9,"humidity":47,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-14T02:52:00.000Z","obsTimeLocal":"2026-11-13T21:52:00-05:00","metarType":"METAR","raw":"METAR KIAD 140252Z 31005KT 10SM SCT060 05/M03 A2982 RMK AO2 SLP097 T00501033 51009 $","temp":5,"dewpoint":-3.3,"humidity":55,"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/2026-11-13","json":"https://weathermarket.io/api/station/KIAD/2026-11-13","record":"https://weathermarket.io/api/station/KIAD/2026-11-13?format=record","prev":"https://weathermarket.io/station/KIAD/2026-11-12","next":"https://weathermarket.io/station/KIAD/2026-11-14","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=13&year2=2026&month2=11&day2=15&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=13&hora=5&anof=2026&mesf=11&dayf=14&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KIAD"}}}