December 2026 runs +0.9°C or hotter vs 1991–2020, globally
47¢
american +112 · decimal 2.12
on the tape
The coin-flip line from celsius.earth's forecast (issued 2026-09-07); ERA5 global monthly mean. Settles early January 2027.
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-GSAT-202612-ANOM · opened 2026-09-07T14:51:51+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape