Station-day record · settlement source
Mexico City · America/Mexico_City · ← 2026-10-17 · 2026-10-19 → · All dates for MMMX · JSON
METAR MMMX 182045Z 04012KT 8SM SCT020 BKN080 BKN220 23/11 A3029 NOSIG RMK SLP106 57043 972 8/238 HZY
METAR MMMX 180942Z 31004KT 9SM BKN020 BKN080 11/07 A3042 NOSIG RMK 8/530 HZY
Local day 2026-10-18 02:00 EDT → 2026-10-19 02:00 EDT (24 h, UTC-06:00) · 30 reports · longest gap 65 min
final at 2026-10-19 05:00 EDT · correction hold 3 h after local midnight
longest gap 65 min · limit 85 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 baf78b6ef57306a30e91fce5447095bd6d9cbaa5e1253219884029a2e428383f
Transaction 0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f · 2026-10-19 05:01 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 30 · suspect 0 · 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 |
|---|---|---|---|---|---|
| 2026-10-18 02:42 EDT | METAR | 12° | 6° | 3.6 | METAR MMMX 180642Z 32007KT 10SM BKN020 OVC080 12/06 A3045 NOSIG RMK 8/57/ HZY LWR SC BINOVC |
| 2026-10-18 03:43 EDT | METAR | 12° | 7° | 4.6 | METAR MMMX 180743Z 28009KT 10SM BKN020 BKN080 12/07 A3044 NOSIG RMK 8/570 HZY LWR SC |
| 2026-10-18 04:42 EDT | METAR | 12° | 7° | 3.1 | METAR MMMX 180842Z 31006KT 9SM SCT020 BKN080 12/07 A3043 NOSIG RMK SLP181 57011 903 8/530 HZY LWR SC |
| 2026-10-18 05:42 EDT | METAR | 11°min | 7° | 2.1 | METAR MMMX 180942Z 31004KT 9SM BKN020 BKN080 11/07 A3042 NOSIG RMK 8/530 HZY |
| 2026-10-18 06:47 EDT | METAR | 12° | 7° | 2.1 | METAR MMMX 181047Z 27004KT 8SM BKN020 OVC080 12/07 A3043 NOSIG RMK 8/57/ HZY LWR SC BINOVC |
| 2026-10-18 07:40 EDT | METAR | 12° | 7° | 2.6 | METAR MMMX 181140Z 28005KT 8SM BKN020 OVC080 12/07 A3043 NOSIG RMK SLP184 52002 901 8/57/ HZY LWR SC BINOVC VSBY LWR NW |
| 2026-10-18 08:43 EDT | METAR | 12° | 7° | 2.6 | METAR MMMX 181243Z 33005KT 10SM BKN020 BKN080 12/07 A3043 NOSIG RMK 8/570 HZY LWR SC |
| 2026-10-18 09:45 EDT | METAR | 12° | 7° | 3.6 | METAR MMMX 181345Z 31007KT 11SM BKN020 BKN220 12/07 A3044 NOSIG RMK 8/508 LWR ST 3RD QUAD |
| 2026-10-18 10:49 EDT | METAR | 13° | 7° | 3.1 | METAR MMMX 181449Z 34006KT 11SM BKN020 BKN220 13/07 A3045 NOSIG RMK SLP197 52006 958 8/508 |
| 2026-10-18 11:41 EDT | METAR | 15° | 7° | 2.1 | METAR MMMX 181541Z 34004KT 11SM SCT020 15/07 A3044 NOSIG RMK 8/800 ISOL CI |
| 2026-10-18 12:39 EDT | SPECI | 17° | 8° | 2.1 | SPECI MMMX 181639Z 06004KT 11SM FEW020 SCT080 BKN220 17/08 A3043 NOSIG RMK 8/132 |
| 2026-10-18 12:53 EDT | METAR | 18° | 8° | 0 | METAR MMMX 181653Z 00000KT 10SM FEW020 SCT220 18/08 A3043 NOSIG RMK 8/108 ISOL AC |
| 2026-10-18 13:51 EDT | METAR | 19° | 9° | 2.6 | METAR MMMX 181751Z COR 30005KT 10SM FEW020 BKN220 19/09 A3040 NOSIG RMK SLP175 54000 900 8/108 ISOL AC original: METAR MMMX 181751Z COR 30005KT 10SM FEW020 BKN220 19/09 A3040 NOSIG RMK SLP175 54000 900 8/108 ISOL AC |
| 2026-10-18 14:46 EDT | SPECI | 21° | 10° | 2.1 | SPECI MMMX 181846Z 35004KT 10SM FEW020 SCT080 BKN220 21/10 A3036 NOSIG RMK 8/138 |
| 2026-10-18 14:55 EDT | METAR | 22° | 9° | 2.1 | METAR MMMX 181855Z 32004KT 10SM FEW020 SCT080 BKN220 22/09 A3035 NOSIG RMK 8/138 |
| 2026-10-18 15:47 EDT | METAR | 22° | 10° | 3.6 | METAR MMMX 181947Z 35007KT 9SM FEW020 SCT080 BKN220 22/10 A3032 NOSIG RMK 8/138 HZY |
| 2026-10-18 16:45 EDT | METAR | 23°max | 11° | 6.2 | METAR MMMX 182045Z 04012KT 8SM SCT020 BKN080 BKN220 23/11 A3029 NOSIG RMK SLP106 57043 972 8/238 HZY |
| 2026-10-18 17:40 EDT | METAR | 22° | 10° | 6.2 | METAR MMMX 182140Z 36012KT 8SM VCRA SCT020 BKN080 BKN220 22/10 A3029 NOSIG RMK 8/238 HZY PCPN W |
| 2026-10-18 18:40 EDT | METAR | 21° | 11° | 5.1 | METAR MMMX 182240Z 33010KT 8SM VCRA SCT020 BKN080 BKN220 21/11 A3029 NOSIG RMK 8/238 HZY PCPN S SW AND W |
| 2026-10-18 19:40 EDT | METAR | 20° | 11° | 7.7 | METAR MMMX 182340Z 31015KT 8SM VCRA BKN020CB BKN080 OVC220 20/11 A3030 TEMPO 6SM -RA RMK SLP118 57001 973 8/363 HZY BINOVC PCPN S |
| 2026-10-18 20:30 EDT | SPECI | 19° | 11° | 3.1 | SPECI MMMX 190030Z 34006KT 8SM -RA BKN020 BKN080 OVC220 19/11 A3033 NOSIG RMK 8/463 HZY BINOVC RAB30 |
| 2026-10-18 20:40 EDT | SPECI | 19° | 11° | 4.1 | SPECI MMMX 190040Z 31008KT 8SM BKN020 BKN080 OVC220 19/11 A3033 NOSIG RMK 8/463 HZY BINOVC RAE40 |
| 2026-10-18 20:45 EDT | METAR | 19° | 11° | 4.1 | METAR MMMX 190045Z 34008KT 8SM BKN020 BKN080 OVC220 19/11 A3033 NOSIG RMK 60005 8/463 HZY BINOVC OCNL DROPS |
| 2026-10-18 21:40 EDT | METAR | 18° | 10° | 5.1 | METAR MMMX 190140Z 36010KT 8SM SCT020 BKN080 BKN220 18/10 A3036 NOSIG RMK 8/538 HZY LWR SC |
| 2026-10-18 22:40 EDT | METAR | 17° | 10° | 3.1 | METAR MMMX 190240Z 32006KT 8SM BKN020 OVC080 17/10 A3040 NOSIG RMK SLP164 52029 968 8/57/ HZY LWR SC |
| 2026-10-18 23:06 EDT | SPECI | 17° | 10° | 5.1 | SPECI MMMX 190306Z 33010KT 8SM -RA BKN020 OVC080 17/10 A3041 NOSIG RMK 8/57/ HZY LWR SC RAB05 |
| 2026-10-18 23:24 EDT | SPECI | 17° | 10° | 3.1 | SPECI MMMX 190324Z 33006KT 8SM BKN020 OVC080 17/10 A3041 NOSIG RMK 8/57/ HZY RAE19 OCNL DROPS |
| 2026-10-18 23:45 EDT | METAR | 16° | 10° | 3.1 | METAR MMMX 190345Z 31006KT 8SM BKN020 OVC080 16/10 A3041 NOSIG RMK 60005 8/57/ HZY OCNL DROPS |
| 2026-10-19 00:47 EDT | METAR | 15° | 10° | 3.6 | METAR MMMX 190447Z 30007KT 8SM FEW020 SCT080 15/10 A3041 NOSIG RMK 8/530 HZY |
| 2026-10-19 01:46 EDT | METAR | 14° | 10° | 3.6 | METAR MMMX 190546Z 30007KT 8SM SCT020 BKN080 14/10 A3039 NOSIG RMK SLP135 57009 977 8/530 HZY |
Settlement source: the METAR-derived station-day record for MMMX for the contract date (station-local calendar day), as published at https://weathermarket.io/station/MMMX/2026-10-18 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).
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/MMMX/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/MMMX/YYYY-MM-DD (JSON).