In your shopify store admin menu, click Analytics > Reports:

Next, Click Create Custom Report on the top left:

In the popup screen to “Create a Custom Report”, enter a title for the report, and then select the Report Template, Sales Over Time. Then click the Create Custom Report button:

Now, in the next step, we will be editing 3 different filter fields:

1. Click the date range labeled 1 in the image above.
   1. Here, you’ll select the last full month of orders for your store, and click Apply.
      1. 
2. Next, we’ll select the Filter labeled 2 in the image above.
   1. Here, we’ll select No comparison and click Apply:
      1. 
3. Select the filter labeled 3 in the image above
   1. Here, select the option for None:
   1. 

Next, we’ll add some columns to the report. Click the menu option highlighted in yellow below:

You should see a dropdown that looks like this:

Here, you’ll need to select the following columns:

• Under the Order Section:
  • Order Name
• Under the Product Section
  • Variant SKU
  • Ordered Quantity
• Under the Shipping Address Section
  • Shipping Postal Code
  • Shipping Country/region
• Under the Time Section
  • Day

Finally, Click the Export button as seen below:

Thats it! Use this file to upload into the Shipping Analysis Form.