Volumes of releases, lateral inflow and water withdrawals at the Tuyamuyn-Samanbay site.Comparison of planned and actual values for vegetation period 1995

Parametres
April
May
June
July
August
September
For vegetation
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
Release from reservoir
forecast
m3/sec
400.0
400.0
500.0
1200.0
1200.0
1200.0
1000.0
1000.0
1000.0
1800.0
2000.0
2200.0
2000.0
2000.0
2000.0
1200.0
1200.0
1200.0
Mm3
20770.6
actual
m3/sec
364.3
298.8
556.7
996.5
1103.2
1229.3
1040.8
906.6
1659.0
1644.6
1878.1
2028.2
1929.8
1735.0
1262.3
879.2
647.4
657.9
Mm3
18376.9
variance
%
8.9
25.3
-11.3
17.0
8.1
-2.4
-4.1
9.3
-65.9
8.6
6.1
7.8
3.5
13.3
36.9
26.7
46.1
45.2
%
11.5
Mm3
30.8
118.3
69.3
245.1
328.8
300.9
265.7
346.4
-223.0
-88.7
16.6
179.9
240.5
469.5
1170.6
1447.8
1925.3
2393.6
Mm3
2393.6
Lateral inflow
forecast
m3/sec
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
Mm3
276.5
actual
m3/sec
15.8
15.6
15.8
12.4
12.4
12.4
8.4
8.4
8.4
9.1
9.1
9.1
13.3
13.3
13.3
8.0
8.0
8.0
Mm3
176.5
variance
%
21.0
22.0
21.0
38.0
38.0
38.0
58.0
58.0
58.0
39.3
39.3
39.3
11.3
11.3
11.3
46.7
46.7
46.7
%
36.2
Mm3
3.6
7.4
11.1
17.6
24.2
31.4
41.4
51.5
61.5
66.6
71.7
77.3
78.8
80.2
81.8
87.9
93.9
100.0
Mm3
100.0
Water withdrawal, including
forecast
m3/sec
295.0
347.1
655.7
828.3
962.7
1008.2
1109.0
1251.5
1314.2
1471.0
1530.7
1499.9
1460.4
1371.6
1087.2
423.2
140.3
52.4
Mm3
14833.1
actual
m3/sec
253.8
265.4
335.4
686.6
820.5
904.6
903.2
647.0
1337.4
1336.5
1363.4
1522.3
1498.2
1412.8
1070.3
773.7
528.9
469.1
Mm3
14237.7
variance
%
14.0
23.5
48.8
17.1
14.8
10.3
18.6
48.3
-1.8
9.1
10.9
-1.5
-2.6
-3.0
1.6
-82.8
-277.0
-795.2
%
4.0
Mm3
35.6
106.2
382.9
505.4
628.2
726.7
904.5
1426.8
1406.7
1522.9
1667.5
1646.2
1613.5
1577.9
1594.0
1291.2
955.4
595.4
Mm3
595.4
Turkmenistan
forecast
m3/sec
167.0
109.6
232.7
255.3
266.1
283.2
347.0
412.5
432.2
445.0
465.7
461.9
453.4
421.6
424.2
171.8
89.0
38.7
Mm3
4833.1
actual
m3/sec
181.1
100.3
125.2
249.5
269.3
301.5
265.1
208.4
412.3
435.3
465.4
529.3
523.0
521.5
468.9
368.7
290.0
231.0
Mm3
5249.5
variance
%
-8.4
8.5
46.2
2.3
-1.2
-6.5
23.6
49.5
4.6
2.2
0.1
-14.6
-15.4
-23.7
-10.5
-114.6
-225.8
-496.9
%
-8.6
Mm3
-12.2
-4.1
88.7
93.7
91.0
73.6
144.3
320.7
337.9
346.3
346.5
282.5
222.3
136.0
93.5
-76.6
-250.2
-416.4
Mm3
-416.4
Uzbekistan
forecast
m3/sec
128.0
237.5
423.0
573.0
696.6
725.0
762.0
839.0
882.0
1026.0
1065.0
1038.0
1007.0
950.0
663.0
251.4
51.3
13.7
Mm3
10000.0
actual
m3/sec
72.7
165.1
210.2
437.1
551.2
603.1
638.1
438.6
925.1
901.2
898.0
993.0
975.2
891.3
601.4
405.0
238.9
238.1
Mm3
8988.2
variance
%
43.2
30.5
50.3
23.7
20.9
16.8
16.3
47.7
-4.9
12.2
15.7
4.3
3.2
6.2
9.3
-61.1
-365.7
-1638.0
%
10.1
Mm3
47.8
110.3
294.2
411.6
537.2
653.1
760.1
1106.1
1068.8
1176.7
1321.0
1363.7
1391.2
1441.9
1500.5
1367.8
1205.7
1011.8
Mm3
1011.8
Diagram of variances between planned and actual values of release, lateral inflow and water withdrawal
Diagram of variances between planned and actual values of water withdrawal by states
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]