Courses are often significantly busier during the evening hours. Accounting for all relevant factors like weather, natural slow times during the season, etc - the percentage you select should reflect the realities of your situation. For estimating purposes, we recommend using 40% to 50% as a good starting point.
Each location and situation is unique. The specifics of your situation can alter hese values significantly. Speaking with our experts directly can significantly improve the accuracy of your estimates.