Technical Information
Geography
Latitude
38.247955 ° N
Longitude
-122.322766° W
Carneros Area
Total Acres:
37,213 acres / 150.5 km2
Total Vineyard Acres Cultivated:
10,040 acres / 4,063 hectares
Maximum Elevation:
700 ft (213.3 m)
Minimum Elevation:
0 ft (sea level)
Median Elevation:
123 ft (37.4 m)
Climate
Average Growing Season:
April 1 – November 1
Average Growing Season Temperature:
72°F / 22.2°C
Average degrees days for AVA:
1,834
Average annual precipitation:
25.22 in (64.05 cm)
Daylight
Maximum hours of daylight:
14.50 (summer solstice)
Average hours of daylight during growing season:
12.30
Frost
Average number of frost-free days:
277
On average, last frost occurs:
During the last week of February
On average, first frost occurs:
During the first week of December
Varietals Grown
Predominant Red Varietal:
Pinot Noir
Predominant White Varietal:
Chardonnay
Other Notable Varietals:
Merlot and Sauvignon Blanc