Operational since 1982, it has recently been redesigned to use the latest database technology.
Access is now possible with high-speed modems as well as through the Internet.
Weather data is collected from each weather station site and automatically transmitted to a central computer located in Sacramento. The weather data is analyzed for accuracy, then stored to provide on-demand, localized information. Changes in ETo can be used as a guide to changes in crop or landscape water use. The values of these factors have been developed and continue to be developed for many trees, vines, agronomic crops, grasses, landscapes, and vegetable crops. User ID and Password required.