The annual crop report and cannabis/hemp addendum can be found here:
https://sonomacounty.ca.gov/natural-resources/agricultural-weights-and-measures/crop-reports
Our board member Lauren Mendelsohn did the math to show that, based on the information in the report, cannabis is the most valuable thing produced on Sonoma County farms on a per-acre basis and was one of the most valuable crops countywide overall. You can see that analysis here:
https://www.omarfigueroa.com/cannabis-included-sort-of-in-2021-sonoma-county-crop-report/