Objectives: 1. Increase reliability of weather and pest model information provided through the NEWA website through monitoring and machine maintenance. 2. Increase adoption of the phenology-based degree-day model for timing of management strategies for grape berry moth, powdery mildew, downy mildew, black rot and Phomopsis. 3. Increase effective area of NEWA weather and pest model information through expansion of the Rainwise weather instrument network. 4. Examine effectiveness and longevity of insecticides for grape rootworm using weather parameters found on NEWA.