How will Barcelona's high today compare to yesterday?

Always-on daily weather ladder on Barcelona, Spain. The winning band is the one containing (today's observed high − yesterday's observed high) in °C. Bands are positional vs yesterday, so they recenter themselves every day and the market never goes stale with the seasons. Days are Barcelona LOCAL calendar days (Europe/Madrid); the settlement reading is the observed daily value Hunch's weather stream captures from Open-Meteo for each local day — never a forecast. This round covers Sep 23 (local) and runs 2026-09-22T23:00:01.000Z → 2026-09-23T22:59:59.000Z UTC; it resolves automatically and the next day is already live at this same link.