climate prop · Chicago, IL · Great Lakes & Upper Midwest · settles 2026-10
Chicago's Oct finishes warmer than normal
94¢
american -1534 · decimal 1.07
★ goldenon the tape
Mean high vs the 1991–2020 normal (62.4°F) on the official record. 0 days banked, 14 in the forecast window, 17 on climatology.
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-KORD-2026-10-MAVG-ABOVE · opened 2026-10-01T00:10:18+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape