Operative modes of the Toktogul 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
283.0
283.0
283.0
612.0
612.0
612.0
961.0
961.0
961.0
683.0
683.0
683.0
473.0
473.0
473.0
263.0
263.0
263.0
Mm3
8641.6
actual
m3/sec
297.1
230.9
264.8
482.5
755.3
441.3
490.8
698.5
768.0
933.7
820.5
669.9
556.9
498.0
465.8
304.0
272.0
225.0
Mm3
8063.5
variance
%
-5.0
18.4
6.4
21.2
-23.4
27.9
48.9
27.3
20.1
-36.7
-20.1
1.9
-17.7
-5.3
1.5
-15.6
-3.4
14.4
%
6.7
Mm3
-12.2
32.8
48.6
160.4
36.6
198.9
605.1
831.9
998.7
782.1
663.3
675.7
603.2
581.6
588.5
553.0
545.3
578.1
Mm3
578.1
Volume
planned
Mm3
15594.0
15529.9
15501.2
15756.7
15991.4
16182.2
16562.1
16860.8
17074.9
16943.5
16750.7
16530.4
16310.1
16341.2
16507.5
16521.4
16529.3
16539.7
Mm3
actual
Mm3
14072.0
13878.0
13880.0
14227.0
14620.0
14736.0
14917.0
15214.0
15390.0
15548.0
15550.0
15308.0
15212.0
15350.0
15611.0
15711.0
15752.0
15770.0
Mm3
variance
%
9.8
10.6
10.5
9.7
8.6
8.9
9.9
9.8
9.9
8.2
7.2
7.4
6.7
6.1
5.4
4.9
4.7
4.7
%
Release
planned
m3/sec
386.0
356.0
315.0
315.0
339.0
410.0
520.0
614.0
712.0
831.0
902.0
910.7
722.0
431.0
292.0
240.0
247.0
244.0
Mm3
7731.1
actual
m3/sec
425.8
386.5
262.0
192.8
210.9
272.9
270.8
301.8
598.0
726.7
779.6
910.7
680.7
356.1
207.3
164.5
198.4
193.2
Mm3
6288.0
variance
%
-10.3
-8.6
16.8
38.8
37.8
33.4
47.9
50.8
16.0
12.6
13.6
0.0
5.7
17.4
29.0
31.5
19.7
20.8
%
18.7
Mm3
-34.4
-60.7
-14.9
90.6
201.3
331.6
546.9
816.7
915.1
1005.3
1111.0
1111.0
1146.7
1211.4
1291.9
1357.2
1399.2
1443.1
Mm3
1443.1
Diagram of inflow and release in the Toktogul water reservoir
Diagram of volumes deviations in the Toktogul water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]