Station-day record · settlement source
Washington D.C. · America/New_York · ← 2026-10-15 · 2026-10-17 → · All dates for KIAD · JSON
METAR KIAD 161952Z 22013G17KT 10SM FEW033 28/21 A2972 RMK AO2 SLP061 T02780206
SPECI KIAD 160407Z 17004KT 5SM -DZ BR BKN013 OVC019 16/14 A3009 RMK AO2 DZB00 P0000 T01560144 $
Local day 2026-10-16 00:00 EDT → 2026-10-17 00:00 EDT (24 h, UTC-04:00) · 36 reports · longest gap 60 min
High 82°F (27.78°C) · Low 60°F (15.56°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 2026-10-17 03:00 EDT · correction hold 3 h after local midnight
longest gap 60 min · limit 90 min
SHA-256 f72034f920d0389274703dd4d30e1e0a2626015c8f4c60229aa21d86f9020cfb
Transaction 0x6dd7540c3a5b752af477a1be3379167016258e2a92941144be00565560b9d306 · 2026-10-17 03:01 EDT
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 35 · 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 |
|---|---|---|---|---|---|
| 2026-10-16 00:07 EDT | SPECI | 15.6°min | 14.4° | 2.1 | SPECI KIAD 160407Z 17004KT 5SM -DZ BR BKN013 OVC019 16/14 A3009 RMK AO2 DZB00 P0000 T01560144 $ |
| 2026-10-16 00:36 EDT | SPECI | 15.6° | 15° | 2.1 | SPECI KIAD 160436Z 16004KT 5SM -DZ BR BKN009 OVC013 16/15 A3007 RMK AO2 DZB00 P0001 T01560150 $ |
| 2026-10-16 00:52 EDT | METAR | 15.6° | 15° | 1.5 | METAR KIAD 160452Z 16003KT 7SM BKN009 OVC013 16/15 A3007 RMK AO2 DZB00E49 SLP179 P0001 T01560150 402500150 $ |
| 2026-10-16 01:52 EDT | METAR | 15.6° | 15° | 2.1 | METAR KIAD 160552Z 17004KT 10SM OVC006 16/15 A3006 RMK AO2 SLP176 60007 T01560150 10156 20150 56022 $ |
| 2026-10-16 02:52 EDT | METAR | 15.6° | 15° | 2.6 | METAR KIAD 160652Z 18005KT 10SM OVC006 16/15 A3004 RMK AO2 SLP170 T01560150 $ |
| 2026-10-16 03:52 EDT | METAR | 16.1° | 15.6° | 3.6 | METAR KIAD 160752Z 17007KT 10SM OVC005 16/16 A3000 RMK AO2 SLP159 T01610156 $ |
| 2026-10-16 04:52 EDT | METAR | 16.1° | 15.6° | 2.6 | METAR KIAD 160852Z 17005KT 10SM OVC005 16/16 A2997 RMK AO2 SLP149 T01610156 58027 $ |
| 2026-10-16 05:52 EDT | METAR | 16.7° | 15.6° | 3.6 | METAR KIAD 160952Z 18007KT 10SM OVC006 17/16 A2996 RMK AO2 SLP144 T01670156 $ |
| 2026-10-16 06:52 EDT | METAR | 16.7° | 16.1° | 3.1 | METAR KIAD 161052Z 20006KT 7SM -RA OVC005 17/16 A2995 RMK AO2 RAB41 SLP140 P0000 T01670161 |
| 2026-10-16 07:31 EDT | SPECI | 16.7° | 16.1° | 4.1 | SPECI KIAD 161131Z 20008KT 1 1/2SM BR OVC005 17/16 A2993 RMK AO2 RAE04 P0000 T01670161 |
| 2026-10-16 07:35 EDT | SPECI | 16.7° | 16.1° | 3.6 | SPECI KIAD 161135Z 20007KT 1 1/2SM BR OVC004 17/16 A2993 RMK AO2 RAE04 P0000 T01670161 |
| 2026-10-16 07:52 EDT | METAR | 16.7° | 16.1° | 4.1 | METAR KIAD 161152Z 20008KT 1 1/2SM BR OVC004 17/16 A2992 RMK AO2 RAE04 SLP132 P0000 60000 70014 T01670161 10167 20156 58016 |
| 2026-10-16 08:39 EDT | SPECI | 17.2° | 16.7° | 4.1 | SPECI KIAD 161239Z 20008KT 2SM BR OVC005 17/17 A2991 RMK AO2 T01720167 |
| 2026-10-16 08:52 EDT | METAR | 17.2° | 16.7° | 4.1 | METAR KIAD 161252Z 20008KT 2SM BR OVC005 17/17 A2991 RMK AO2 SLP127 T01720167 |
| 2026-10-16 09:52 EDT | METAR | 18.3° | 17.2° | 4.1 | METAR KIAD 161352Z 21008KT 4SM BR OVC005 18/17 A2989 RMK AO2 SLP120 T01830172 |
| 2026-10-16 10:52 EDT | METAR | 19.4° | 17.8° | 4.6 | METAR KIAD 161452Z 20009KT 7SM OVC007 19/18 A2987 RMK AO2 SLP112 T01940178 58019 |
| 2026-10-16 11:52 EDT | METAR | 21.7° | 18.9° | 5.1 | METAR KIAD 161552Z 19010KT 10SM BKN008 22/19 A2984 RMK AO2 SLP104 T02170189 |
| 2026-10-16 12:03 EDT | SPECI | 22.2° | 18.9° | 5.7 | SPECI KIAD 161603Z 21011KT 10SM SCT009 22/19 A2984 RMK AO2 T02220189 |
| 2026-10-16 12:52 EDT | METAR | 23.9° | 19.4° | 4.6 | METAR KIAD 161652Z 17009KT 10SM FEW010 FEW030 24/19 A2981 RMK AO2 SLP093 T02390194 |
| 2026-10-16 13:52 EDT | METAR | 26.1° | 20° | 4.1 | METAR KIAD 161752Z 20008KT 10SM FEW020 FEW031 26/20 A2977 RMK AO2 SLP079 T02610200 10261 20167 58032 |
| 2026-10-16 14:52 EDT | METAR | 27.2° | 20° | 5.1 | METAR KIAD 161852Z 21010KT 10SM FEW030 27/20 A2974 RMK AO2 SLP066 T02720200 |
| 2026-10-16 15:52 EDT | METAR | 27.8°max | 20.6° | 6.7 | METAR KIAD 161952Z 22013G17KT 10SM FEW033 28/21 A2972 RMK AO2 SLP061 T02780206 |
| 2026-10-16 16:52 EDT | METAR | 27.2° | 20.6° | 5.1 | METAR KIAD 162052Z 19010KT 10SM FEW033 27/21 A2972 RMK AO2 SLP062 T02720206 55016 |
| 2026-10-16 17:52 EDT | METAR | 26.7° | 20.6° | 4.6 | METAR KIAD 162152Z 19009KT 10SM FEW035TCU 27/21 A2971 RMK AO2 SLP059 TCU NW T02670206 |
| 2026-10-16 18:14 EDT | SPECI | 26.1° | 20.6° | 7.2 | SPECI KIAD 162214Z 31014G29KT 10SM FEW010 SCT033CB 26/21 A2974 RMK AO2 PK WND 34029/2214 PRESRR CB NW-NE MOV SE T02610206 |
| 2026-10-16 18:17 EDT | SPECI | 25° | 18.9° | 12.3 | SPECI KIAD 162217Z 33024G35KT 10SM FEW010 SCT033CB 25/19 A2976 RMK AO2 PK WND 32035/2215 PRESRR WSHFT 15 FROPA CB NW-NE MOV SE T02500189 |
| 2026-10-16 18:39 EDT | SPECI | 19.4° | 17.8° | 6.2 | SPECI KIAD 162239Z 34012G21KT 7SM TSRA FEW013 OVC033CB 19/18 A2979 RMK AO2 PK WND 32035/2215 RAB18 TSB39 OCNL LTGIC OHD TS OHD MOV SE P0001 T01940178 |
| 2026-10-16 18:52 EDT | METAR | 19.4° | 17.8° | 5.1 | METAR KIAD 162252Z 34010G18KT 7SM -TSRA FEW013 OVC033CB 19/18 A2980 RMK AO2 PK WND 32035/2215 RAB18 TSB39 SLP090 OCNL LTGIC OHD TS OHD MOV SE P0002 T01940178 |
| 2026-10-16 19:03 EDT | SPECI | 19.4° | 18.3° | 5.1 | SPECI KIAD 162303Z 33010G20KT 2SM TSRA BR BKN028CB OVC060 19/18 A2982 RMK AO2 OCNL LTGIC OHD TS OHD MOV SE P0001 T01940183 |
| 2026-10-16 19:30 EDT | SPECI | 18.9° | 14.4° | 6.2 | SPECI KIAD 162330Z 34012KT 7SM BKN031 OVC060 19/14 A2983 RMK AO2 PK WND 35029/2305 RAE28 TSE29 TS MOV SE P0015 T01890144 |
| 2026-10-16 19:52 EDT | METAR | 18.3° | 13.9° | 3.6 | METAR KIAD 162352Z 32007KT 7SM -TSRA BKN031CB OVC070 18/14 A2985 RMK AO2 PK WND 35029/2305 RAE28B33 TSE29E43B50 SLP106 OCNL LTGIC OHD TS OHD MOV SE P0015 60017 T01830139 10278 20183 53043 |
| 2026-10-16 20:26 EDT | SPECI | 18.9° | 13.3° | 5.7 | SPECI KIAD 170026Z 34011KT 10SM BKN035CB OVC070 19/13 A2985 RMK AO2 RAE10 TSE26 TS MOV SE CB SE MOV SE P0000 T01890133 |
| 2026-10-16 20:52 EDT | METAR | 18.3° | 12.8° | 4.1 | METAR KIAD 170052Z 34008KT 10SM BKN035CB OVC070 18/13 A2985 RMK AO2 RAE10 TSE26 SLP105 TS MOV SE CB SE MOV SE P0000 T01830128 |
| 2026-10-16 21:52 EDT | METAR | 17.8° | 12.8° | 5.1 | METAR KIAD 170152Z 33010KT 10SM BKN080 OVC090 18/13 A2985 RMK AO2 SLP107 T01780128 |
| 2026-10-16 22:52 EDT | METAR | 17.8° | 10.6° | 3.6 | METAR KIAD 170252Z 32007KT 10SM OVC080 18/11 A2989 RMK AO2 SLP121 60000 T01780106 53014 |
| 2026-10-16 23:52 EDT | METAR | 17.2° | 10.6° | 5.7 | METAR KIAD 170352Z 32011G20KT 10SM FEW030 OVC080 17/11 A2990 RMK AO2 SLP121 T01720106 |
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/2026-10-16 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).