climate prop · Des Moines, IA · Great Lakes & Upper Midwest · settles 2026-10
Top-5 warmest Oct on record in Des Moines
3¢
american +3576 · decimal 36.76
on the tape
Needs a mean high of 72.2°F+ against 86 years of record (warmest: 76.4°F in 1963). 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-KDSM-2026-10-MAVG-TOP5 · opened 2026-10-05T01:39:45+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape