This program provides a simple and efficient way to receive timely weather-related tree crop information specifically for California fruit and nut growers, researchers, and industry. Air temperatures, collected from the California Irrigation Management Information System (CIMIS) weather stations, are used for model calculations.
| Chilling Accumulation Models | Harvest Prediction Model |
| Prune Chilling Prediction Model |
The following stations were added in 2010 and calculations using those stations do not reflect the entire seasonal accumulation: Gilroy211, Denair206 and Hastings Tract East A. For the Gilroy stations, chill portion accumulation up to January 31st was 61 Chill Portions.
Related Information
About CIMIS Weather Stations, About Backup Stations & Error Messages
About Weather-Related Models, Weather Links
Dynamic Model & Chill Accummulation Guide: A how-to guide (pdf) by Kitren Glozer, Dept. of Plant Sciences, for calculating chill portions, using weather data from a data logger in your orchard, and the Dynamic Model (Excel file).