doug shaffer is the president of shaffer vineyards. he has been working here since 1973 when his father bought the estate. wine making, experience, innovation, technology, computerization, able to get more information, better information to make better decisions with. >> for the last 29 years, his partner in making those decisions has been alia maker. he gave me a tour of the vineyard's high-tech tools fine tuning his craft. >> this is our weather station they gather ter detailed data in the field and transmit it via phone. >> what kind of analysis do the computers do? >> it gives us the temperatures, the wind speeds throughout the day, humidity throughout the day. and allows us just to have a feel for what's going on here for these vines. >> the second system called fruition gives alias a real-time view of what's happening inside the vine. what we have been here is a thermo cupler right in this area here with the solar producing plant. >> as water moves through the plant, the thermal coupler tells the grower how much water is in the v