如何计算车辆的高峰数量和高峰时间

I have a table containing records relating to public transportation. I need to know what time of day the peak vehicles were out and how many vehicles. The date range would be a fiscal year, from 7/1/yyyy to 6/30/yyyy. My table is called fixedrouterecords and here is a sample of the relevant columns.I have a table containing records relating to p