lexus ls400 mileage in the fall

I'm working from home now so I drive a lot less. Mostly when I do drive it's super short trips (grocery store) or long trips (boulder, golden, to visit clients).

Mileage on odometer: 
155,942.00
Miles driven: 
378
Fuel added: 
19.193
Fuel type: 
87
Cost: 
54.68
Calculated Mileage: 
19.6947

Mileage for this trip:

19.69 miles per gallon.