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.
Possible causes of kidney pain include: 1  Bleeding in your kidney (hemorrhage). 2  Blood clots in kidney veins (renal vein thrombosis). 3  Urinary tract infection (UTI). 4  Arteriosclerosis / atherosclerosis (hardening of the arteries leading to the kidneys).owever, it's possible to have one of these conditions and experience few symptoms, including kidney pain. Kidney stones cause pain, but it's not referred to as kidney pain. Kidney stones generally are painless â or relatively painless â as long as they remain in the kidneys.