Technical Information

GEOGRAPHY

Latitude 38.6130° N, Longitude 122.7° W

AREA OF ALEXANDER VALLEY

Total Acres: 32,536 acres / 132 km2
Total Vineyard Acres Cultivated:14,449 acres / 5847.3 hectares

Maximum Elevation: 2572 ft (783.9 m)
Minimum Elevation: 134 ft (40.8 m)
Median Elevation: 628 ft (191.4 m)

CLIMATE

Average Growing Season:  April 1 – November 1
Average Growing Season Temperature: 72°F / 22.2°C

Average degrees days for AV AVA: 1,834
Average annual precipitation: 32 in (81.28 cm)

DAYLIGHT

Maximum hours of daylight: 14.51 (summer solstice)
Average hours of daylight during growing season: 12.32

FROST

Average number of frost-free days: 240
On average, last frost occurs: During the second week of April
On average, first frost occurs: During the first week of January

AVA FACTS

Number of Independent Winegrowers: 82
Number of Bonded Wineries: 31

VARIETALS GROWN

Predominant Red Varietal: Cabernet Sauvignon
Predominant White Varietal: Chardonnay
Other Notable Varietals: Zinfandel and Merlot

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