Volumes of releases, lateral inflow and water withdrawals at the Tuyamuyn-Samanbay site.Comparison of planned and actual values for vegetation period 1993

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
1160.0
860.0
960.0
1290.0
2000.0
2540.0
3060.0
3340.0
3500.0
3511.8
3519.7
3280.0
2640.0
1990.0
1780.0
1510.0
1330.0
1070.0
Mm3
34647.7
actual
m3/sec
1154.2
527.5
581.3
1112.7
2239.6
2370.4
3209.5
3024.7
3483.0
3511.8
3519.7
3339.0
2437.9
1884.2
1420.6
1024.0
1159.0
821.5
Mm3
32429.0
variance
%
0.5
38.7
39.4
13.7
-12.0
6.7
-4.9
9.4
0.5
0.0
0.0
-1.8
7.7
5.3
20.2
32.2
12.9
23.2
%
6.4
Mm3
5.0
292.3
619.5
772.7
565.7
726.9
597.7
870.1
884.8
884.8
884.8
828.7
1003.4
1094.8
1436.3
1856.2
2004.0
2218.7
Mm3
2218.7
Lateral inflow
forecast
m3/sec
25.0
25.0
25.0
25.0
25.0
25.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
Mm3
342.6
actual
m3/sec
21.1
21.4
50.5
13.8
15.2
27.0
14.0
10.0
12.2
22.0
22.0
19.5
20.0
9.0
10.0
11.8
11.4
13.8
Mm3
285.4
variance
%
15.6
14.4
-102.0
44.8
39.2
-8.0
30.0
50.0
39.0
-10.0
-10.0
2.5
0.0
55.0
50.0
41.0
43.0
31.0
%
16.7
Mm3
3.4
6.5
-15.6
-5.9
2.6
0.7
5.9
14.5
21.3
19.5
17.8
18.3
18.3
27.8
37.3
44.4
51.8
57.2
Mm3
57.2
Water withdrawal, including
forecast
m3/sec
405.4
401.9
548.4
765.2
886.5
930.4
955.7
1075.1
1199.5
1463.6
1577.5
1528.5
1425.3
1329.4
970.4
525.8
152.0
13.0
Mm3
14253.0
actual
m3/sec
421.9
365.5
357.5
785.6
960.1
961.1
940.9
1081.5
1239.1
1552.8
1786.0
1761.7
1652.5
1585.3
1191.1
430.3
470.5
387.6
Mm3
15830.6
variance
%
-4.1
9.1
34.8
-2.7
-8.3
-3.3
1.5
-0.6
-3.3
-6.1
-13.2
-15.3
-15.9
-19.2
-22.7
18.2
-209.6
-2881.8
%
-11.1
Mm3
-14.3
17.2
182.1
164.5
100.9
71.8
84.6
79.0
44.8
-32.3
-212.4
-434.1
-630.4
-851.4
-1061.2
-978.7
-1253.9
-1577.6
Mm3
-1577.6
Turkmenistan
forecast
m3/sec
242.4
128.4
141.4
187.2
213.5
236.4
218.7
280.1
336.5
407.6
464.5
458.5
429.0
391.4
335.6
286.5
61.7
0.0
Mm3
4253.0
actual
m3/sec
225.9
164.2
116.3
204.2
239.5
228.1
208.7
269.0
329.4
438.8
511.2
528.3
479.1
479.1
479.1
260.7
240.0
228.0
Mm3
4970.8
variance
%
6.8
-27.9
17.8
-9.1
-12.2
3.5
4.6
4.0
2.1
-7.7
-10.1
-15.2
-11.7
-22.4
-42.8
9.0
-289.0
%
-16.9
Mm3
14.3
-16.7
5.0
-9.7
-32.1
-24.2
-15.6
-6.0
0.2
-26.8
-67.2
-133.5
-176.8
-252.6
-389.0
-366.7
-520.8
-717.8
Mm3
-717.8
Uzbekistan
forecast
m3/sec
163.0
273.5
407.0
578.0
673.0
694.0
737.0
795.0
863.0
1056.0
1113.0
1070.0
996.3
938.0
634.8
239.3
90.3
13.0
Mm3
10000.0
actual
m3/sec
196.0
201.3
241.2
581.4
720.6
733.0
732.2
812.5
909.7
1114.0
1274.8
1233.4
1173.4
1106.2
712.0
169.6
230.5
159.6
Mm3
10859.8
variance
%
-20.2
26.4
40.7
-0.6
-7.1
-5.6
0.7
-2.2
-5.4
-5.5
-14.5
-15.3
-17.8
-17.9
-12.2
29.1
-155.3
-1127.9
%
-8.6
Mm3
-28.5
33.9
177.1
174.2
133.0
96.0
100.1
85.0
44.7
-5.5
-145.2
-300.5
-453.5
-598.8
-672.1
-611.9
-733.1
-859.8
Mm3
-859.8
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]