I think the best answer to that is ask your doctor if you see something that concerns you. Though, even without an expert opinion or big data as a reference, es

I think the best answer to that is ask your doctor if you see something that concerns you. Though, even without an expert opinion or big data as a reference, establishing what is a baseline for yourself and then noting when there is significant deviation can have value. It could be an early warning sign or just encouragement to get help if your BP is one day very high or low. Some googling can probably give you an idea of what are normal ranges based on activity, too.