Which AVA is cooled by breezes from the San Pablo Bay, making it Napa's coolest?

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Multiple Choice

Which AVA is cooled by breezes from the San Pablo Bay, making it Napa's coolest?

Explanation:
The key idea is how a marine influence from a nearby bay can cool a vineyard area. Carneros sits at the southern tip of Napa Valley right along San Pablo Bay, so cool air and fog from the bay breeze into the vineyards. That breeze lowers average temperatures and slows ripening, making Carneros Napa’s coolest area. This cooler climate favors varieties like Chardonnay and Pinot Noir, which benefit from longer hang times and preserved acidity. The other areas are inland or higher up, where the days are warmer and the bay breeze does not have the same cooling effect, so they are not as cool as Carneros.

The key idea is how a marine influence from a nearby bay can cool a vineyard area. Carneros sits at the southern tip of Napa Valley right along San Pablo Bay, so cool air and fog from the bay breeze into the vineyards. That breeze lowers average temperatures and slows ripening, making Carneros Napa’s coolest area. This cooler climate favors varieties like Chardonnay and Pinot Noir, which benefit from longer hang times and preserved acidity. The other areas are inland or higher up, where the days are warmer and the bay breeze does not have the same cooling effect, so they are not as cool as Carneros.

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