Station-day record · settlement source
Washington D.C. · America/New_York · ← 2026-11-09 · 2026-11-11 → · All dates for KIAD · JSON
METAR KIAD 101952Z 23005KT 10SM CLR 21/03 A2994 RMK AO2 SLP137 T02110028
METAR KIAD 100552Z 00000KT 10SM CLR 04/02 A3008 RMK AO2 SLP187 T00390022 10128 20039 56002 $
Local day 2026-11-10 00:00 EST → 2026-11-11 00:00 EST (24 h, UTC-05:00) · 24 reports · longest gap 60 min
High 70°F (21.11°C) · Low 37°F (2.78°C) · NWS CLI archive
US markets usually settle on the official NWS daily climate value (CLI), which is archived separately; the two values can differ by about a degree and are shown side by side.
final at 2026-11-11 03:00 EST · correction hold 3 h after local midnight
longest gap 60 min · limit 90 min
1 report(s) in this day were re-issued after first publication; the original text is shown struck through in the table.
SHA-256 a34940dcf981e71f6b4644d3ad0b971f8baf937bc9c3ba15b76dccf09706f01e
Transaction 0xc26d4c5716eaf57aa4c613768db49136e78bfff8dbf96c96973683e3f68f64aa · 2026-11-11 03:01 EST
GET the record bytes, SHA-256 them, and call SnapshotAnchor.isAnchored(sha256) on Flare - the anchored record is the one to settle on
Canonical record bytes (hash these) · SnapshotAnchor 0x2B598129… (chain 14)
good 23 · suspect 1 · bad 0 · High good · Low good
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.
| Time | Type | Temp °C | Dew °C | Wind m/s | Raw report |
|---|---|---|---|---|---|
| 2026-11-10 00:52 EST | METAR | 3.9°min | 2.2° | 0 | METAR KIAD 100552Z 00000KT 10SM CLR 04/02 A3008 RMK AO2 SLP187 T00390022 10128 20039 56002 $ |
| 2026-11-10 01:52 EST | METAR | 4.4° | 2.2° | 1.5 | METAR KIAD 100652Z 14003KT 10SM CLR 04/02 A3008 RMK AO2 SLP186 T00440022 $ |
| 2026-11-10 02:52 EST | METAR | 3.9° | 2.2° | 0 | METAR KIAD 100752Z 00000KT 10SM FEW120 04/02 A3008 RMK AO2 SLP187 T00390022 $ |
| 2026-11-10 03:52 EST | METAR | 4.4° | 2.2° | 0 | METAR KIAD 100852Z 00000KT 10SM FEW120 04/02 A3008 RMK AO2 SLP186 T00440022 58001 $ |
| 2026-11-10 04:52 EST | METAR | 3.9° | 2.2° | 1.5 | METAR KIAD 100952Z 19003KT 10SM FEW120 04/02 A3009 RMK AO2 SLP188 T00390022 $ |
| 2026-11-10 05:52 EST | METAR | 3.9° | 2.2° | 0 | METAR KIAD 101052Z COR 00000KT 10SM FEW120 04/02 A3009 RMK AO2 SLP188 T00390022 $ original: METAR KIAD 101052Z 00000KT 10SM CLR 04/02 A3009 RMK AO2 SLP188 T00390022 $ |
| 2026-11-10 06:52 EST | METAR | 5° | 2.2° | 3.1 | METAR KIAD 101152Z 20006KT 10SM FEW060 05/02 A3007 RMK AO2 SLP183 T00500022 10050 20028 58003 $ |
| 2026-11-10 07:52 EST | METAR | 6.7° | 3.3° | 3.6 | METAR KIAD 101252Z 19007KT 10SM FEW070 FEW250 07/03 A3007 RMK AO2 SLP183 T00670033 $ |
| 2026-11-10 08:52 EST | METAR | 10° | 3.9° | 4.1 | METAR KIAD 101352Z 20008KT 10SM FEW250 10/04 A3007 RMK AO2 SLP184 T01000039 |
| 2026-11-10 09:52 EST | METAR | 13.9° | 3.9° | 6.2 | METAR KIAD 101452Z 19012G20KT 10SM CLR 14/04 A3006 RMK AO2 SLP178 T01390039 58005 |
| 2026-11-10 10:52 EST | METAR | 15.6° | 4.4° | 5.1 | METAR KIAD 101552Z 19010KT 10SM CLR 16/04 A3004 RMK AO2 SLP171 T01560044 |
| 2026-11-10 11:52 EST | METAR | 17.8° | 3.9° | 2.6 | METAR KIAD 101652Z 22005KT 10SM CLR 18/04 A3001 RMK AO2 SLP161 T01780039 |
| 2026-11-10 12:52 EST | METAR | 19.4° | 2.8° | 4.6 | METAR KIAD 101752Z 20009KT 10SM CLR 19/03 A2997 RMK AO2 SLP150 T01940028 10194 20044 58028 |
| 2026-11-10 13:52 EST | METAR | 20° | 2.8° | 2.1 | METAR KIAD 101852Z 21004KT 10SM CLR 20/03 A2995 RMK AO2 SLP143 T02000028 |
| 2026-11-10 14:52 EST | METAR | 21.1°max | 2.8° | 2.6 | METAR KIAD 101952Z 23005KT 10SM CLR 21/03 A2994 RMK AO2 SLP137 T02110028 |
| 2026-11-10 15:52 EST | METAR | 20.6° | 3.3° | 3.1 | METAR KIAD 102052Z 21006KT 10SM CLR 21/03 A2994 RMK AO2 SLP136 T02060033 56013 |
| 2026-11-10 16:52 EST | METAR | 18.3° | 3.9° | 2.1 | METAR KIAD 102152Z 22004KT 10SM CLR 18/04 A2994 RMK AO2 SLP139 T01830039 |
| 2026-11-10 17:52 EST | METAR | 12.8° | 5° | 2.1 | METAR KIAD 102252Z 15004KT 10SM CLR 13/05 A2996 RMK AO2 SLP146 T01280050 |
| 2026-11-10 18:52 EST | METAR | 12.8° | 4.4° | 2.1 | METAR KIAD 102352Z 24004KT 10SM CLR 13/04 A2998 RMK AO2 SLP151 T01280044 10211 20128 53014 |
| 2026-11-10 19:52 EST | METAR | 17.8° | 5° | 4.6 | METAR KIAD 110052Z 30009KT 10SM CLR 18/05 A2999 RMK AO2 SLP155 T01780050 |
| 2026-11-10 20:52 EST | METAR | 14.4° | 5° | 2.1 | METAR KIAD 110152Z 29004KT 10SM FEW100 14/05 A2999 RMK AO2 SLP157 T01440050 |
| 2026-11-10 21:52 EST | METAR | 10.6° | 5° | 0 | METAR KIAD 110252Z 00000KT 10SM CLR 11/05 A3001 RMK AO2 SLP162 T01060050 53011 |
| 2026-11-10 22:52 EST | METAR | 8.3° | 5.6° | 0 | METAR KIAD 110352Z 00000KT 10SM CLR 08/06 A3001 RMK AO2 SLP161 T00830056 $ |
| 2026-11-10 23:52 EST | METAR | 8.9° | 5.6° | 0 | METAR KIAD 110452Z 00000KT 10SM CLR 09/06 A3001 RMK AO2 SLP161 T00890056 402110028 $ |
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/2026-11-10 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.
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.
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.
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).