High-3 Average Salary

Your "high-3" average salary is determined by finding your highest average basic pay over any three year period.

The three years must be consecutive. Generally, the final three years of service include the highest pay, but pay from an earlier period can be used if it was higher.

Basic pay includes:

Basic pay does NOT include:

regular pay overtime
locality pay bonuses
night differential cash awards
premium pay military pay
pay for wage grade

Source: OPM RI 83-7