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.
However, other processes can cause chronic dull aching with occasionally sharp kidney pain. Some of the causes of kidney pain or flank pain are as follows: Urinary tract infections; Kidney infections; Kidney stones (nephrolithiasis and/or ureterolithiasis) Kidney cancer; Anything that compresses the kidney (for example, a large tumor) Glomerulonephritis