daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Tue Oct 20

Boston high ≥ 64°F · Tue Oct 20

47¢

american +112 · decimal 2.12

on the tape

The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.

Canonical settlement condition: High ≥ 64°F. The original listing above is retained as published. Open the model matchup dashboard →

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.

Who's Bullish

each model's own price

wn2		58¢
nbm		57¢
ndfd		53¢
aifs		53¢
icon		42¢
eps		29¢
hres		27¢

The Ladder

where the whole distribution sits

54–55°F2¢

56–57°F10¢

58–59°F24¢

60–61°F31¢

62–63°F22¢

64–65°F8¢

66–67°F2¢

calibration receipt: lead 1, scored on 14,459 settled station-days, consensus CRPS 1.516 vs climatology 8.861.

Receipts

prop id WP-KBOS-20261020-TMAX-GE64 · opened 2026-10-14T03:45:21+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape