I need the data of Thursdays to Wednesdays
in August 2018.
If Day 2,I want the total of the forecast values for days 2-8 (Thursday through Wednesday)
if Day 5, I want the data to include forecast values for days 2-8 (Thursday through Wednesday).
If day 9 I want data, include forecasts of days 9-15 (Thursday through Wednesday).
etc.