Station-day record · settlement source
San Francisco · America/Los_Angeles · ← 2026-10-30 · 2026-11-01 → · All dates for KSFO · JSON
METAR KSFO 311956Z 28013KT 10SM FEW019 SCT035 BKN140 18/08 A2990 RMK AO2 SLP124 T01830083 $
METAR KSFO 311056Z 21003KT 10SM FEW018 FEW200 12/09 A2990 RMK AO2 SLP123 T01170089 $
Local day 2026-10-31 03:00 EDT → 2026-11-01 02:00 EST (24 h, UTC-07:00) · 24 reports · longest gap 60 min
High 65°F (18.33°C) · Low 53°F (11.67°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 2026-11-01 05:00 EST · correction hold 3 h after local midnight
longest gap 60 min · limit 90 min
SHA-256 8672b899fb185dafe231b276c91732aea48e9a7e93db52a5295c7644bcbe3606
Transaction 0x42885942905a25b19717f8fc7857efc220f596fecdf3bd9f5122cee821bb6876 · 2026-11-05 16:01 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 24 · 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 |
|---|---|---|---|---|---|
| 2026-10-31 03:56 EDT | METAR | 13.3° | 9.4° | 2.1 | METAR KSFO 310756Z 17004KT 10SM FEW200 13/09 A2990 RMK AO2 SLP124 T01330094 402000133 $ |
| 2026-10-31 04:56 EDT | METAR | 12.2° | 9.4° | 2.6 | METAR KSFO 310856Z 20005KT 10SM FEW200 12/09 A2990 RMK AO2 SLP125 T01220094 52002 $ |
| 2026-10-31 05:56 EDT | METAR | 12.2° | 9.4° | 2.6 | METAR KSFO 310956Z 21005KT 10SM SCT200 12/09 A2990 RMK AO2 SLP125 T01220094 $ |
| 2026-10-31 06:56 EDT | METAR | 11.7°min | 8.9° | 1.5 | METAR KSFO 311056Z 21003KT 10SM FEW018 FEW200 12/09 A2990 RMK AO2 SLP123 T01170089 $ |
| 2026-10-31 07:56 EDT | METAR | 11.7° | 8.9° | 0 | METAR KSFO 311156Z 00000KT 10SM FEW018 FEW200 12/09 A2990 RMK AO2 SLP126 T01170089 10150 20117 53001 $ |
| 2026-10-31 08:56 EDT | METAR | 12.2° | 8.9° | 1.5 | METAR KSFO 311256Z 15003KT 10SM FEW018 BKN200 12/09 A2990 RMK AO2 SLP126 T01220089 $ |
| 2026-10-31 09:56 EDT | METAR | 12.8° | 9.4° | 1.5 | METAR KSFO 311356Z 18003KT 10SM FEW018 SCT140 BKN200 13/09 A2991 RMK AO2 SLP127 T01280094 $ |
| 2026-10-31 10:56 EDT | METAR | 12.8° | 9.4° | 2.1 | METAR KSFO 311456Z 19004KT 10SM FEW018 BKN140 BKN180 13/09 A2992 RMK AO2 SLP130 T01280094 53004 $ |
| 2026-10-31 11:56 EDT | METAR | 13.9° | 9.4° | 1.5 | METAR KSFO 311556Z 18003KT 10SM FEW019 BKN140 BKN180 14/09 A2992 RMK AO2 SLP133 T01390094 $ |
| 2026-10-31 12:56 EDT | METAR | 15° | 9.4° | 1.5 | METAR KSFO 311656Z 22003KT 10SM FEW019 BKN140 BKN180 15/09 A2993 RMK AO2 SLP133 T01500094 $ |
| 2026-10-31 13:56 EDT | METAR | 17.2° | 8.9° | 2.1 | METAR KSFO 311756Z 02004KT 10SM FEW019 SCT031 BKN170 17/09 A2992 RMK AO2 SLP132 T01720089 10172 20117 50001 $ |
| 2026-10-31 14:56 EDT | METAR | 17.2° | 8.9° | 0 | METAR KSFO 311856Z COR 00000KT 10SM FEW019 SCT033 BKN140 17/09 A2992 RMK AO2 SLP131 T01720089 $ |
| 2026-10-31 15:56 EDT | METAR | 18.3°max | 8.3° | 6.7 | METAR KSFO 311956Z 28013KT 10SM FEW019 SCT035 BKN140 18/08 A2990 RMK AO2 SLP124 T01830083 $ |
| 2026-10-31 16:56 EDT | METAR | 16.7° | 8.3° | 5.1 | METAR KSFO 312056Z 29010G16KT 10SM FEW019 SCT035 BKN140 17/08 A2990 RMK AO2 SLP123 T01670083 56008 $ |
| 2026-10-31 17:56 EDT | METAR | 16.7° | 8.9° | 3.6 | METAR KSFO 312156Z 28007KT 10SM FEW025 FEW035 BKN150 BKN200 17/09 A2988 RMK AO2 SLP118 T01670089 |
| 2026-10-31 18:56 EDT | METAR | 16.7° | 8.9° | 4.1 | METAR KSFO 312256Z 31008KT 10SM FEW040 BKN150 BKN180 17/09 A2986 RMK AO2 SLP113 T01670089 |
| 2026-10-31 19:56 EDT | METAR | 16.7° | 8.3° | 4.6 | METAR KSFO 312356Z 29009KT 10SM FEW043 FEW120 SCT150 BKN180 17/08 A2985 RMK AO2 SLP109 T01670083 10183 20161 56015 |
| 2026-10-31 20:56 EDT | METAR | 15.6° | 8.9° | 3.6 | METAR KSFO 010056Z 28007KT 10SM FEW045 SCT120 BKN150 BKN200 16/09 A2985 RMK AO2 SLP108 T01560089 |
| 2026-10-31 21:56 EDT | METAR | 14.4° | 8.9° | 3.6 | METAR KSFO 010156Z 30007KT 10SM FEW037 SCT120 BKN200 14/09 A2985 RMK AO2 SLP108 T01440089 $ |
| 2026-10-31 22:56 EDT | METAR | 13.9° | 8.9° | 2.1 | METAR KSFO 010256Z 29004KT 10SM FEW037 BKN110 BKN180 14/09 A2985 RMK AO2 SLP106 T01390089 58002 $ |
| 2026-10-31 23:56 EDT | METAR | 13.9° | 9.4° | 1.5 | METAR KSFO 010356Z 20003KT 10SM SCT060 BKN150 BKN180 14/09 A2985 RMK AO2 SLP107 T01390094 $ |
| 2026-11-01 00:56 EDT | METAR | 13.9° | 9.4° | 2.1 | METAR KSFO 010456Z 17004KT 10SM FEW060 BKN150 BKN180 14/09 A2985 RMK AO2 SLP109 T01390094 $ |
| 2026-11-01 01:56 EDT | METAR | 12.8° | 9.4° | 1.5 | METAR KSFO 010556Z 21003KT 10SM SCT085 SCT110 BKN180 13/09 A2985 RMK AO2 SLP109 T01280094 10167 20128 50002 $ |
| 2026-11-01 01:56 EST | METAR | 13.3° | 9.4° | 0 | METAR KSFO 010656Z 00000KT 10SM FEW075 SCT110 SCT180 13/09 A2984 RMK AO2 SLP105 T01330094 $ |
Settlement source: the METAR-derived station-day record for KSFO for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KSFO/2026-10-31 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/KSFO/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KSFO/YYYY-MM-DD (JSON).