Climate: Moderately warm, with afternoon marine winds acting as an 'air-conditioner' to cool the warmer air radiating off the bare rocks of Stags leap itself and the surrounding hillsides. This AVA is often up to 10& deg;F warmer than in Yountville AVA. Mid-summer temperatures can reach 100°F, but more regularly are in mid-90 range (32-34°C).
Elevation: 66 to 400 ft. (20 to 123 m).
Rainfall: 30 inches (75cm) annually.
Soils: Volcanic gravel-loams on the floor of the valley, with rocky hillsides, and low to moderate fertility due to hard clay bedrock subsoils 2 to 6 feet down.
Principal varieties & characteristics: Cabernet Sauvignon, Merlot, Sangiovese: Distinguished by lush, velvety textures and fine perfumed cherry and red berry flavors, supported by soft tannins. Chardonnay, Sauvignon Blanc: Round and ripe, especially Sauvignon Blanc, yet retain excellent citrus and apple flavors.