daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Fri Oct 23

Boston stays cold-for-here: high ≤ 50°F · Fri Oct 23

4¢

american +2491 · decimal 25.91

on the tape

50°F is the bottom-decile high for this date at this station (1940–present).

Canonical settlement condition: High ≤ 50°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

hres		30¢
icon		16¢
ndfd		16¢
aifs		12¢
eps		2¢
wn2		2¢
nbm		2¢

The Ladder

where the whole distribution sits

48–49°F2¢

50–51°F6¢

52–53°F15¢

54–55°F24¢

56–57°F25¢

58–59°F18¢

60–61°F8¢

62–63°F2¢

calibration receipt: lead 4, scored on 14,312 settled station-days, consensus CRPS 2.165 vs climatology 8.861.

Receipts

prop id WP-KBOS-20261023-TMAX-LE50 · opened 2026-10-19T07:32:25+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape