semiannual

In that position, he delivered semiannual reports that detailed pervasive issues within the department, from widespread violence in the county’s jails to excessive force, driving a number of reforms in the department.

It also describes it's approach to Transparency Reports as "semiannual".

The Department of Water Resources released the information in its semiannual report on groundwater conditions.

The semiannual report came after water officials stepped up efforts during last year’s rains to capture water flows from melting snowpack in the mountains and encouraged farmers to flood fields to replenish groundwater basins.

The Uniform Time Act allowed states to make standard time permanent, getting rid of the semiannual time changes.