Operative modes of the Toktogul water reservoir. Comparison of planned and actual values for vegetation period 1994

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
354.0
354.0
354.0
765.0
765.0
765.0
1201.0
1201.0
1201.0
1049.0
1049.0
1049.0
727.0
727.0
727.0
402.0
402.0
402.0
Mm3
11878.4
actual
m3/sec
350.6
549.5
646.0
861.9
1051.7
1141.3
1465.7
1134.1
1351.0
1099.9
951.3
732.8
687.6
533.3
561.2
410.8
294.8
304.0
Mm3
12416.5
variance
%
1.0
-55.2
-82.5
-12.7
-37.5
-49.2
-22.0
5.6
-12.5
-4.9
9.3
30.1
5.4
26.6
22.8
-2.2
26.7
24.4
%
-4.5
Mm3
2.9
-166.0
-418.3
-502.0
-749.7
-1107.3
-1336.0
-1278.2
-1407.8
-1451.8
-1367.4
-1066.9
-1032.8
-865.5
-707.9
-715.5
-622.9
-538.2
Mm3
-538.2
Volume
planned
Mm3
14944.8
14996.5
15007.5
15305.3
15541.8
15719.3
16182.1
16552.6
16854.7
17043.0
17279.7
17622.7
17727.2
17892.2
18133.6
18129.4
18166.6
18254.9
Mm3
actual
Mm3
13856.0
13518.0
13518.0
13911.0
14578.0
15313.0
16246.0
16912.0
17707.0
18378.0
18896.0
19075.0
19273.0
19393.0
19566.0
19509.0
19410.0
19339.0
Mm3
variance
%
7.3
9.9
9.9
9.1
6.2
2.6
-0.4
-2.2
-5.1
-7.8
-9.4
-8.2
-8.7
-8.4
-7.9
-7.6
-6.8
-5.9
%
Release
planned
m3/sec
257.0
293.0
340.0
419.0
490.0
577.0
664.0
771.0
850.0
827.0
771.0
684.0
600.0
530.0
467.0
400.0
352.0
293.0
Mm3
8430.7
actual
m3/sec
597.4
673.7
449.2
392.9
343.6
297.1
383.7
367.2
421.5
369.4
411.1
471.4
469.0
390.5
366.5
476.8
404.5
390.4
Mm3
6730.0
variance
%
-132.5
-129.9
-32.1
6.2
29.9
48.5
42.2
52.4
50.4
55.3
46.7
31.1
21.8
26.3
21.5
-19.2
-14.9
-33.2
%
20.2
Mm3
-294.1
-623.0
-717.4
-694.8
-568.3
-302.3
-60.1
288.7
659.0
1054.3
1365.3
1567.4
1680.6
1801.1
1896.7
1830.3
1784.9
1700.8
Mm3
1700.8
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]