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daily prop · Des Moines, IA · Great Lakes & Upper Midwest · settles Fri Oct 23

Des Moines high ≥ 78°F · Fri Oct 23

30¢
american +232 · decimal 3.32
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 78°F. The original listing above is retained as published. Open the model matchup dashboard →

The Tape

what the models knew, when
0¢25¢50¢75¢100¢10/0810/1610/20 06:00
— — 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.

Who's Bullish

each model's own price
aifs
57¢
ndfd
53¢
wn2
45¢
nbm
37¢
hres
22¢
eps
11¢
icon
8¢

The Ladder

where the whole distribution sits
68–69°F2¢
70–71°F7¢
72–73°F15¢
74–75°F22¢
76–77°F23¢
78–79°F17¢
80–81°F8¢
82–83°F3¢
84–85°F1¢
calibration receipt: lead 3, scored on 14,413 settled station-days, consensus CRPS 1.902 vs climatology 8.854.

Receipts

prop id WP-KDSM-20261023-TMAX-GE78 · opened 2026-10-17T15:24:47+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape