What is the normal adult urine volume?

Adults 24 hours urine volume in 1000 to 2000 ml, if less than 1000ml, there may be abnormal. More than 2000 ml, it is abnormal. If 24 hours urine volume, less than 100 ml, this is anuria. If 24 hours urine volume, less than 400 ml, this is a small amount. If 24 hours urine volume, more than 3000 ml, this is polyuria. More urine volume, less urine volume, and the usual amount of water has a certain relationship. Drinking more water, urine naturally and more. Under normal circumstances, urine suddenly increased, suddenly decreased, this is not normal, should cause attention, should check whether kidney function is abnormal and so on.