Operative modes of the Kayrakum water reservoir. 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
Inflow
forecast
m3/sec
452.0
456.0
454.0
365.4
365.0
363.0
337.0
331.0
346.0
562.0
566.0
564.0
555.0
516.0
315.0
244.0
242.0
250.2
Mm3
6400.3
actual
m3/sec
471.6
489.5
403.9
365.4
304.3
241.5
228.8
190.7
317.6
423.6
465.1
611.0
484.6
229.2
201.9
191.8
200.5
250.2
Mm3
5336.7
variance
%
-4.3
-7.3
11.0
0.0
16.6
33.5
32.1
42.4
8.2
24.6
17.8
-8.3
12.7
55.6
35.9
21.4
17.1
0.0
%
16.6
Mm3
-16.9
-45.9
-2.6
-2.6
49.9
165.3
258.8
380.0
404.5
524.1
611.3
566.6
627.4
875.2
982.7
1027.8
1063.7
1063.7
Mm3
1063.7
Volume
planned
Mm3
3058.3
3037.1
2996.8
2904.8
2806.2
2700.8
2590.9
2470.4
2329.1
2234.5
2101.6
1923.9
1823.7
1807.8
1741.8
1698.8
1678.0
1665.1
Mm3
actual
Mm3
2820.0
2771.0
2786.0
2658.0
2510.0
2326.0
2074.0
1787.0
1642.0
1435.0
1237.0
1123.0
978.0
752.0
671.0
642.0
627.0
662.0
Mm3
variance
%
7.8
8.8
7.0
8.5
10.6
13.9
19.9
27.7
29.5
35.8
41.1
41.6
46.4
58.4
61.5
62.2
62.6
60.2
%
Release
planned
m3/sec
488.0
482.0
475.0
428.0
428.0
423.0
420.0
419.0
451.0
575.0
624.0
645.8
591.4
462.0
318.0
249.0
235.0
235.0
Mm3
6987.9
actual
m3/sec
640.1
504.9
375.0
406.0
395.8
390.0
390.0
390.0
419.2
534.1
563.0
645.8
591.4
405.6
284.6
221.5
196.2
200.0
Mm3
6640.1
variance
%
-31.2
-4.8
21.1
5.1
7.5
7.8
7.1
6.9
7.1
7.1
9.8
0.0
0.0
12.2
10.5
11.0
16.5
14.9
%
5.0
Mm3
-131.4
-151.2
-64.8
-45.8
-18.0
13.4
39.3
64.4
91.8
127.2
179.9
179.9
179.9
228.6
260.3
284.1
317.6
347.8
Mm3
347.8
Diagram of inflow and release in the Kayrakum water reservoir
Diagram of volumes deviations in the Kayrakum water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]