The CHP reported that 165 people were arrested for driving under the influence over the holiday weekend.
Three fatal collisions were reported over the weekend, the CHP said.
A year ago during the Christmas weekend, the CHP reported 188 DUI arrests, but no fatal collisions.
Statewide, there were 1170 DUI arrests made, up nearly 200 more than the 980 arrests made in 2011.
A total of 23 fatal collisions were recorded in CHP patrolled roadways, up 13 from 2011.
On city patrolled roads, 16 fatal collisions were reported, up 12 from a year ago.
The reporting weekend was Dec. 21 at 6 p.m. through Christmas Day.