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Table 12 Streamflow distribution during a year for the continents and natural-economic regions (in % of the mean annual value)
Number
 
Mean annual water
months
Year
of region
Continent , region
resources (local)
   
   
km 3 /year
1
2
3
4
5
6
7
8
9
10
11
12
 
 
Europe
2900
6.2
6.6
6.9
8.9
14.3
13.3
9.2
7.6
7.3
6.9
6.6
6.2
100
1
Northern
705
4.9
4.9
4.6
4.4
8.8
15
15.4
12.6
10.2
7.8
6
5.4
100
2
Western and Central
617
9.7
10.8
9.7
9.4
8.3
8.5
8.2
7.1
6.3
6.2
6.9
9
100
3
Southern
546
7.6
8.0
9.5
11
11.5
10.7
9
7.1
6
5.7
6.4
7.5
100
4
North of the European part of FSU
589
3
2.5
3
6.5
25.8
19.7
8.9
6.2
6.5
7.8
6
4.1
100
5
South of the European part of FSU
443
3.6
3.5
5.2
12.4
23.1
17.7
9.5
6.1
4.8
5
5
4.1
100
 
North America
7870
4.7
4.9
5.0
7.0
11.6
15.2
12.6
9.9
9.6
8.6
5.9
5.0
100
6
Canada and Alaska
4980
3.8
3.6
3.5
6.1
13.1
17.2
13.8
10.3
8.9
8.6
6.4
4.7
100
7
USA
1800
7.7
9.4
10.3
12.1
12.1
11.5
8.6
5.8
5.2
5.1
5.7
6.5
100
8
Central America and the Caribbean
1090
3.6
2.7
2.2
2.4
4.8
12.8
13.8
14.6
19.8
14.9
4.8
3.6
100
 
Africa
4047
8.4
7.5
7.0
7.1
7.5
6.6
6.1
6.1
8.0
10.6
12.7
12.4
100
9
Northern
41
4.5
3.7
3.4
3.6
3.9
4.2
8.7
22.6
20.9
12.4
6.8
5.3
100
10
Southern
399
13.4
15.0
16.5
9.1
6.5
7.1
7.9
3.6
3.6
4.1
5.8
7.5
100
11
East
749
4.1
6.2
10.3
18.2
17.2
11.4
6.3
6.3
5.8
5.5
3.9
4.8
100
12
West
1088
2.7
2.2
2.0
1.9
2.0
2.2
6.2
18.3
24.4
21.3
11.4
5.4
100
13
Central
1770
8.5
7.6
7.0
7.2
7.5
6.7
6.0
5.9
7.8
10.6
12.7
12.5
100
 
Asia
13510
5.1
4.1
4.7
5.1
8.8
13.7
14.9
13.8
11.2
7.2
6.8
4.6
100
14
North China and Mongolia
1029
2.3
2.2
3.0
4.7
6.2
9.2
14.7
20.6
14.3
11.3
7.5
4.0
100
15
Southern
1988
1.6
1.3
1.4
1.8
5.2
6.9
19.5
26.2
20.8
9.5
3.6
2.2
100
16
Western
490
7.5
7.8
13.1
16.4
20.5
10.1
5.3
3.7
3.2
3.6
4.0
5.0
100
17
South-East
6646
8.0
7.0
7.2
7.4
7.7
7.9
11.3
10.4
9.2
6.9
10.2
6.8
100
18
Central Asia and Kazakhstan
181
3.4
2.9
3.5
6.6
13.1
19.4
18.6
11.7
7.4
5.4
4.2
3.7
100
19
Siberia and Far East of Russia
3107
2.0
1.7
1.9
1.8
13.0
31.0
18.8
11.4
8.6
5.8
2.0
2.0
100
20
Transcaucasia
68
6.4
5.8
9.5
17.4
16.0
10.6
7.0
4.7
5.1
5.5
5.2
6.8
100
 
South America
12030
5.9
7
8.1
10
11.4
12.1
11.1
9.7
7.6
6
5.5
5.6
100
21
Northern
3340
4.2
3
2.5
3.1
6.2
10.2
13.5
15.3
14.7
11.8
9
6.5
100
22
Eastern
6220
6.8
8.2
9.4
10.4
11
11
10.2
9.1
7.3
5.6
5.2
5.8
100
23
Western
1720
8.3
9.6
10.8
9.2
9.2
9.3
7.9
7.1
6.5
6.7
7.8
7.6
100
24
Central
750
9.2
11.8
12.8
12.2
9.5
9.3
6.6
5.2
5.4
5.3
5.9
6.8
100
 
Australia and Oceania
2400
10.3
13.2
12.4
10.1
7.4
7.1
6.2
6.9
5.4
6.6
7.2
7.2
100
25
Australia
352
15.4
21.7
30.9
5.29
3.2
3.63
3.35
3.23
3.2
3.74
3.21
3.15
100
26
Oceania
2050
9.52
12
9.35
11.1
8.15
7.72
6.7
6.4
5.75
7.02
7.87
7.9
100