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daily prop · Minneapolis, MN · Great Lakes & Upper Midwest · settles Mon Sep 21

Minneapolis high ≥ 73°F · Mon Sep 21

19¢
american +418 · decimal 5.18
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 73°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¢09/0609/1409/21 18:00
— — 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
ndfd
53¢
nbm
43¢
eps
31¢
wn2
22¢
icon
19¢
aifs
5¢
hres
4¢

The Ladder

where the whole distribution sits
58–59°F1¢
60–61°F4¢
62–63°F11¢
64–65°F19¢
66–67°F24¢
68–69°F21¢
70–71°F12¢
72–73°F5¢
74–75°F2¢
calibration receipt: lead 4, scored on 12,700 settled station-days, consensus CRPS 2.205 vs climatology 9.255.

Receipts

prop id WP-KMSP-20260921-TMAX-GE73 · opened 2026-09-14T10:57:26+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape