Number of accumulated chill portions from Oct. 1, 2000 to Oct. 30, 2009, based on the PestCast weather station on Russell Road, Sacramento County: 4

For more information, see the Weather Data and Products on the UC IPM web site: www.ipm.ucdavis.edu, or this web site: http://groups.ucanr.org/treecrop/How-To_Guides/.  Or contact Chuck Ingels, caingels@ucdavis.edu.