Starting June 29th, San Diego County decided to only publish data every Wednesday. After some prodding, they agreed to update the chart on their main coronavirus page, which includes cases broken down by age, as well as total new cases, total hospitalizations, ICUs and deaths, on weekdays. But other data is still only updated on Wednesday evenings.
I created this page to report data by week to help even out the effect of missing days over weekends. Additionally, they did not report daily numbers at all for a week, so the numbers by age group for Sunday July 11 include some cases from the previous week, but only for the age group specific numbers, not the all ages data, which was updated in the dataset.