It sounds like the 3.88W is for all of high school, correct?
Use this calculator to compute your UC GPA. Only count 10th and 11th grade, not 9th.
https://rogerhub.com/gpa-calculator-uc/
UC’s will not be considering standardized tests this year https://www.insidehighered.com/admissions/article/2020/09/08/injunction-bars-u-california-using-sat-or-act-scores-admissions
So an accurate UC GPA will be all the more important for determining where you stand.