Here is some 2020 admit data.
2020 Freshman admit rates for UC GPA of 3.80-4.19 capped weighted and not major specific:
UCB: 14%
UCLA: 8%
UCSD: 39%
UCSB: 40%
UCD: 55%
UCI: 38%
UCSC: 82%
UCR: 90%
UCM: 97%
2020 UC capped weighted GPA averages along with 25th-75th percentile range:
UCB: 4.22 (4.13-4.30)
UCLA: 4.25 (4.18-4.31)
UCSD: 4.16 (4.04-4.28)
UCSB: 4.15 (4.03-4.27)
UCI: 4.11 (3.96-4.26)
UCD: 4.11 (3.97-4.25)
UCSC: 3.94 (3.71-4.16)
UCR: 3.88 (3.65-4.11)
UCM: 3.68 (3.40-3.96)