DELTA Ave Rainfall 
  (mm)
Baram 3225
Mahakam 2,982
Fly 2,848
Orinoco 1,998
Magdalena 1,835
Irrawaddy 1,684
Grijalva 1,591
Krishna 1,512
Paraiba do Sol 1,482
Ganges-Brahmaputra 1,474
Mahanadi 1,463
Chao Phraya 1,317
Mekong 1,303
Parana 1,207
Yangtze-Kiang 1,190
Po 1,179
Pungoe 1,130
Red 1,122
Godavari 1,090
Sao Francisco 998
Zambezi 955
Mangoky 931
Danube 808
Ord 793
Klang 758
Ebro 745
Mississippi 688
Niger 672
Nile 664
Burdekin 662
Senegal 657
Volga 626
Tana 562
Yukon 502
Dneiper 489
Pechora 484
Amu Darya 464
Lena 406
Indus 396
Salenga 391
MacKenzie 335
Huang He (Yellow) 300
Shatt el Arab 102
Colville 92