The Davis Push Hands group is now the Davis Internal Arts and Push Hands meetup group: http://www.meetup.com/Davis-Push-Hands-Meetup-Group/
Practice times for Tai Chi, Xingyi, and Bagua will be announced there. Please join the group if you are in the Davis/ Sacramento area, and feel free to make suggestions about other possible practice meetups (Shuai Jiao, QiGong, etc).
Check out the UC Davis Tai Chu club Facebook page as well: https://www.facebook.com/groups/87749451715/