Integrated Pest Management · Agriculture and Natural Resources
University of California
Weather, models, & degree-days
UC IPM offers interactive tools and models that can help you make pest management decisions based on conditions at your site.
California weather data
Current daily and hourly data from stations throughout California, plus long-term data for climate stations. PestCast research networks provide hourly and daily values from selected locations.
Pest and plant models (including UC-recommended degree-day models)
Degree-day calculator (Text-only version)
Specify the thresholds and method of calculation for any model. Use weather data from the UC IPM weather database, a file you supply, or data you enter online.
Using this calculator | About degree-days | Using degree-days |