Which of the following North American rivers has the lowest discharge?

Rio Grande
St Lawrence
Yukon
Colorado
Rio Grande is the fourth or fifth longest river system in North America, but it flows through arid and desert regions. The average discharge is just 82 m³/s (St Lawrence: 10100, Yukon: 6200, Colorado: 1200). It is also very variable, occasionally rising to over 10000 m³/s or dropping to 1 m³/s. During portions of 2001 and 2002 the mouth of the Rio Grande was blocked by a sandbar.
Riho Ishii
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Very interesting!
reach: rather globalgeographygeography of Mexicogeography of North Americageography of the United StatesMexicoNorth Americariversrivers of Mexicorivers of North AmericaUnited States

Answers by country

Rio Grande
St Lawrence
Yukon
Colorado
answers
flagItaly
90%
0%
4%
4%
22
flagthe United Kingdom
43%
19%
20%
16%
130
flagGreece
39%
17%
21%
21%
23
flagAustralia
38%
19%
23%
19%
26
flagCanada
38%
14%
23%
19%
21
flagthe United States
34%
19%
21%
23%
461
flagthe Netherlands
31%
18%
12%
37%
16
flagPoland
28%
27%
22%
20%
15424
flagIndia
23%
35%
16%
23%
78
flagRepublic of Ireland
23%
23%
23%
29%
17
flagUnknown
16%
24%
28%
32%
25
flagGermany
11%
29%
29%
29%
17