How much will it rain in Napa in December 2026?

December 2026 If the total precipitation at KAPC in Napa in December 2026 is strictly greater than X inches, then the market resolves to Yes. The total is the sum of The Weather Company's daily precipitation values at KAPC from December 1, 2026 through December 31, 2026, inclusive, using its reporting days. If The Weather Company publishes a total for that exact period, that total takes precedence. Data: https://weather.com/kalshi. This market will close and expire early if the event occurs.