That link also provides definitions of unimodal and bi-modal. A general definition of unimodal would be having a single mode, and I would interpret mono-modal to mean the same thing.I would thus assume that mono-modal and unimodal are used to mean the same thing when discussing rainfall patterns.hat link also provides definitions of unimodal and bi-modal. A general definition of unimodal would be having a single mode, and I would interpret mono-modal to mean the same thing.
Pain around your kidneys can also be caused by other problems, such as: 1  problems with your spine or ribs. 2  muscle pain. 3  pneumonia. 4  a problem with your spleen or your liver. 5  a hernia.
If stage 3 kidney disease is caused by polycystic kidney disease (CKD) or other renal cystic kidney disease, back pain is associated enlargement of kidney cysts. The enlarged cysts compress the adjacent kidney tissues and organs, leading to back pain.