I've been checking my BP daily since a physical I had back in June. I was around 150/80 and a bit worried. After a few months of monitoring (have the same unit as waterrockets) I've averaged around 130/70. Sometimes lower, sometimes a bit higher. My doctor has diagnosed me with whitecoat hypertension. My BP goes up when I visit the doctor.
My family has a history of high BP, so I know I need to watch it. I told my doctor that I didn't want to take drugs if they weren't needed. I didn't want to take a performance hit in my cycling if at all possible. Right now I just work on eating healthier. It's tough when you can eat whatever you want and not gain weight.