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B. Water
available from station roof |
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A. |
B. |
J = B – RC |
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Month |
LMC rainfall |
Monthly balance |
Runoff volume |
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mm/month |
mm/month |
l |
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Jul |
284 |
270 |
6,478,711
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Aug |
303 |
288 |
6,909,084 |
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Sep |
214 |
203 |
4,875,780 |
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Oct |
89 |
84 |
2,019,077 |
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Nov |
16 |
15 |
367,091 |
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Dec |
18 |
18 |
420,592 |
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Jan |
16 |
16 |
375,983 |
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Feb |
47 |
45 |
1,079,785 |
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Mar |
38 |
36 |
867,859 |
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Apr |
109 |
104 |
2,491,983 |
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May |
156 |
148 |
3,550,576 |
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Jun |
310 |
295 |
7,074,031 |
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Total |
1,601 |
1,521 |
36,510,552 |
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C. Additional
supply from storage pond |
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Month |
Volume reqd to |
Inputs |
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Losses |
Volume in |
Depth in |
Level in |
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meet target |
Rainfall |
Roof runoff |
evaporation |
storage pond |
storage pond |
storage pond |
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l |
L |
l |
l |
l |
mm |
mPD |
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Jul |
- |
625,139 |
6,478,711 |
331,100 |
2,200,000 |
1,000 |
3.00 |
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Aug |
- |
666,666 |
6,909,084 |
324,060 |
2,200,000 |
1,000 |
3.00 |
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Sep |
- |
470,470 |
4,875,780 |
296,560
|
2,200,000 |
1,000 |
3.00 |
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Oct |
119,706 |
194,823 |
2,019,077 |
316,580 |
2,200,000 |
1,000 |
3.00 |
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Nov |
978,869 |
35,421 |
367,091 |
241,560 |
2,200,000 |
1,000 |
3.00 |
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Dec |
7,907 |
40,583 |
420,592 |
151,360
|
1,382,084 |
628 |
2.63 |
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Jan |
- |
36,279 |
375,983 |
129,360 |
1,683,992 |
765 |
2.77 |
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Feb |
- |
104,190 |
1,079,785 |
141,900 |
1,966,894 |
894
|
2.89 |
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Mar |
101,606 |
83,741 |
867,859 |
148,720 |
2,200,000 |
1,000 |
3.00 |
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Apr |
- |
240,455 |
2,491,983 |
144,320 |
2,200,000 |
1,000 |
3.00 |
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May |
- |
342,599 |
3,550,576 |
243,540 |
2,200,000 |
1,000
|
3.00 |
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Jun |
- |
682,582 |
7,074,031 |
214,060 |
2,200,000 |
1,000 |
3.00 |
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Total |
1,208,088 |
3,522,948 |
36,510,552 |
2,683,120 |
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