Hello Dnphros,
                        morning blood pressure( BP)-110/71 mm of Hg   good control , midday BP 165/101 mm of Hg- higher BP ,not control, Evening BP-164/111 mm of  Hg also higher, not control, normal person have fluctuating BP under normal range, BP is affected by many factor-age , gender,diet,smoking, alochol,obese, 
overweight, lacks of physical excercise, stress,  sleep,, genetics. family history of 
hypertension,, 
chronic kidney disease, adrenal ,
thyroid disease, BP reading change from sitting to standing, also affected by lying dowen, also change from right yo left arm, but difference more than 10 mm of mmHg suspicion of disease like 
obstructive arterial disease , in morning BP reading -lowest, higest in afternoon & evening , normal Bp-120/80 below this.120-139SBP,80-89DBP is prehypertensive,140-159 stage1 SBP,90-99 stage 1 DBP,160-179 stage 2SBP,100-109 stage2 DBP, above 180 SBP hypertensive crisis, above 110 DBP hypertensive crisis, SBP-systolic blood pressure,DBP-diastolic Blood pressure, hypertension  leads to cardiovasculer complication-stroke, , thromoemolism, kidney  faliure, brain-haemorrhage,thrmoembolism, hope my advice is useful to you, thank you.