Needs a mean high of 88.3°F+ against 86 years of record (warmest: 89.4°F in 2018). Official NWS record.
The Tape
what the models knew, when
— — reconstructed from archived model runs (deterministic values + a lead-dependent Gaussian error model, labeled, never on the tape) · — live prices from the running consensus engine.
Receipts
prop id WP-KCHS-2026-09-MAVG-TOP5 · opened 2026-09-07T14:25:57+00:00 · settled 2026-10-02T11:39:41+00:00 against ACIS official NWS record (period-of-record climatology) · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape