Google released a weather model earlier this year that beats the best forecast in the world 97% of the time. Free. Clean API. Drop-in compatible with what we already run.
Every data engineering instinct I have said: adopt this immediately.
I spent one afternoon testing it instead. We declined to ship it.
What we actually measure
Kalshi temperature contracts settle on one number: the official daily high temperature at a specific airport, reported by NOAA. Not the mean. Not the overnight low. The daily high.
