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.
Here is a brief summary of some of the causes of pain from the kidneys or bladder:-. 1  Infection is the commonest. A bacterium (bug) grows in the urine. 2  Kidney stones. These are small lumps of, usually, chalky material in the kidney, which can cause pain in the kidney. 3  Loin pain haematuria syndrome.