Age of vine before producing useful grapes—3 years
Age of vine before full production—5 years
Productive lifetime of a vine—30-35 years—Although the quality can remain good, the yield begins to decrease after that
Grape clusters in bottle—4-5
Grapes in a bottle—500-600
Clusters on a vine—40
Grapes in a cluster—75-100
Grape clusters in one glass of wine—1
Vines per acre—500-1300
Pounds of grapes produced by one vine—8-12
Tons per acre—5 (average—can vary greatly)
Gallons of wine per ton of grapes—120
Gallons of wine per acre—800
Barrels per acre—13.5
Bottles per vine—4-6
Bottles per ton—500—700
Bottles per acre—4,000
Cases per barrel—24.6
Glasses per acre—16,000
Glasses in a bottle—5-6
Bottles per 60 gallon barrel—300
Calories in a 5 ounce glass of dry wine—100-125
Fat in a 5 ounce glass of dry wine—0
Carbohydrates in a 5 ounce glass of dry wine—1-2
Cost of acre of new vineyard in Napa Valley—$120,000 (some existing property has been sold for $300,000 an acre)
Cost of French oak barrel—$600-850
Cost of American oak barrel—$300-550
Average age of a French oak tree used to make barrels—170 years
Number of years an oak barrel is used—5-8
Number of vineyard acres in Napa County (2008)—45,158 (out of a total of 485,120 acres in the entire county)—only 9% of total land area
Number of vineyard acres placed in Land Trust never to be developed—More than 10,000
Most popular varietals in Napa Valley (in order of popularity)
Proportion of total value at harvest of red varietals compared to white—Nearly 3:1
Number of wineries in Napa Valley—Approximately 250
Number of wineries in Napa Valley built since 1966—243
Number of people/companies owning Napa Valley vineyards—More than 1000
Number of people directly employed in Napa Valley wine industry (wineries, vineyards, vineyard/winery services)—More than 8,000
Number of people directly employed in Napa Valley wine industry and resulting hospitality industry—More than 15,000
Year grapes first planted in Napa Valley—1838 (by George Yount)
First winery built in Napa Valley after Prohibition—Stony Hill (1951)
First large winery built in Napa Valley after Prohibition—Robert Mondavi (1966)
Biggest Napa Valley crop before grapes—Prunes
Largest corporate owner of vineyards in Napa Valley—Diageo (British corporation)
Largest private owner of vineyards in Napa Valley—Andrew Beckstoffer (Beckstoffer Vineyards, St. Helena)
Number of cases of Napa Valley wine produced annually—6 million+ (1998)
Gross revenue from sales of that wine—$1 billion+ (1998)
Ranking of United States in world wine production (1999)—4th—533,596,000 gallons (behind France, Italy and Spain)
Ranking of United States in world wine acreage (1999)—4th—905,000 acres
Ranking of United States in world wide consumption (1999)—3rd—552,763,000 gallons
Percentage of U.S. wine made in California—90%
Percentage of California wine made in Napa Valley—4%
Average annual wine consumption of French per capita—15.81 gallons
Average annual wine consumption of Germans per capita—6.05 gallons
Average annual wine consumption of Canadians per capita—2.14 gallons
Average annual wine consumption of Americans per capita—2.01 gallons
Average annual soft drink consumption of Americans per capita—55 gallons
Average annual beer consumption of Americans per capita—22 gallons
Average annual coffee consumption of Americans per capita—22 gallons
Average annual bottled water consumption of Americans per capita—11 gallons
Cost of attending Napa Valley Wine Auction in 2002—$2,500/couple
Money raised by Napa Valley Wine Auction in 2002—$6.12 million
Money given by Napa Valley Wine Auction to local charities in 2002—$5.8 million
Money given by Napa Valley Wine Auction to local charities since 1981—More than $42 million