Operative modes of the Andijhan water reservoir. Comparison of planned and actual values for non-vegetation period 1997-1998

Parametres
October
November
December
January
February
March
for non-vegetation
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
Inflow
forecast
m3/sec
48.0
48.0
48.0
49.0
49.0
49.0
41.0
41.0
41.0
36.0
36.0
36.0
36.0
36.0
36.0
48.0
48.0
48.0
Mm3
677.5
actual
m3/sec
32.0
29.5
28.3
30.9
36.8
41.9
45.4
48.2
56.7
55.5
48.4
43.0
41.8
44.2
40.0
41.7
41.6
61.9
Mm3
672.9
variance
%
33.3
38.5
41.1
36.9
24.9
14.5
-10.8
-17.6
-38.4
-54.2
-34.4
-19.4
-16.0
-22.8
-11.1
13.1
13.3
-29.0
%
0.7
Mm3
13.8
29.8
48.6
64.2
74.7
80.9
77.0
70.8
55.9
39.0
28.3
21.7
16.7
9.6
6.8
12.3
17.8
4.6
Mm3
4.6
Volume
planned
Mm3
528.2
531.4
535.5
542.1
554.2
569.6
579.1
588.5
599.2
604.9
610.9
617.3
623.0
627.6
630.3
634.9
638.4
640.3
Mm3
actual
Mm3
322.0
265.0
219.9
223.0
216.1
227.0
257.3
296.0
345.2
387.7
425.4
463.0
500.0
529.0
550.3
574.0
598.8
632.0
Mm3
variance
%
39.0
50.1
58.9
58.9
61.0
60.1
55.6
49.7
42.4
35.9
30.4
25.0
19.7
15.7
12.7
9.6
6.2
1.3
%
Release
planned
m3/sec
44.1
44.1
43.5
41.1
34.8
31.0
29.8
29.8
29.6
29.4
29.0
29.2
29.4
30.6
32.1
42.6
44.0
45.9
Mm3
560.2
actual
m3/sec
97.3
96.7
76.1
40.3
44.6
30.0
9.0
4.7
5.0
5.0
3.4
3.0
3.0
10.3
10.4
15.0
15.0
26.1
Mm3
435.3
variance
%
-120.7
-119.3
-74.8
1.9
-28.1
3.2
69.8
84.1
83.1
83.0
88.3
89.7
89.8
66.5
67.6
64.8
65.9
43.2
%
22.3
Mm3
-46.0
-91.4
-122.4
-121.7
-130.1
-129.3
-111.3
-89.6
-66.3
-45.2
-23.1
1.8
24.7
42.2
57.2
81.1
106.1
125.0
Mm3
125.0
Diagram of inflow and release in the Andijan water reservoir
Diagram of volumes deviations in the Andijan water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]