Greetings sir,
Variations and fluctuations in BP are completely normal phenomenon for us humans. All these 3 times, your BP is in the normal range, so nothing to be worried about. You can be rest assured that you're normal.
Next Steps
You can continue assessment for BP monthly once if you are hypertensive.
Health Tips
Watch out if BP values fall below 90mmHg or go above 140mmHg. Seek medical help then.