AVERAGE
WATER LEVEL FLUCTUATION IN THE CHENNAI CITY
FROM JANUARY TO OCTOBER FOR THE YEARS 2008 & 2009
|
Area |
year |
I |
II |
III |
IV |
V
|
VI |
VII |
VIII |
IX
|
X
|
|
Average
well Depth
in ‘metres’ |
7.50 |
9.05
|
8.20 |
9.80 |
9.85 |
7.50 |
8.40 |
10.20 | 11.20 | 9.50 | |
|
Month/Year |
(Average water level in 'metres' below ground level) |
||||||||||
|
Jan |
2008 | 2.29 | 3.23 | 1.54 | 2.33 | 2.68 | 2.48 | 2.23 | 1.63 | 2.43 | 2.36 |
| 2009 | 2.44 | 3.12 | 2.23 | 2.30 | 1.80 | 2.84 | 1.73 | 1.43 | 2.95 | 2.06 | |
|
Feb |
2008 | 2.78 | 3.46 | 1.86 | 2.75 | 3.11 | 2.80 | 2.36 | 1.80 | 2.81 | 2.92 |
| 2009 | 3.07 | 3.47 | 2.78 | 2.63 | 3.61 | 3.30 | 2.33 | 2.28 | 3.47 | 2.45 | |
|
March |
2008 | 2.58 | 3.42 | 1.89 | 2.69 | 2.83 | 2.96 | 2.49 | 1.92 | 2.89 | 3.02 |
| 2009 | 3.50 | 3.76 | 3.06 | 2.90 | 3.50 | 3.48 | 2.55 | 3.07 | 4.36 | 2.88 | |
| April | 2008 | 3.03 | 3.75 | 2.24 | 3.29 | 3.26 | 3.30 | 2.73 | 2.55 | 3.41 | 3.37 |
| 2009 | 4.12 | 4.15 | 3.48 | 3.34 | 3.82 | 3.95 | 2.90 | 3.40 | 5.11 | 3.23 | |
| May | 2008 | 3.65 | 4.05 | 2.48 | 3.30 | 3.49 | 3.75 | 2.86 | 2.80 | 3.79 | 3.66 |
| 2009 | 4.55 | 4.35 | 3.63 | 3.57 | 3.96 | 4.10 | 3.02 | 3.60 | 5.50 | 3.38 | |
| June | 2008 | 3.93 | 4.30 | 2.59 | 3.61 | 3.61 | 3.90 | 3.00 | 2.92 | 4.09 | 3.89 |
| 2009 | 4.87 | 4.62 | 3.81 | 3.91 | 4.22 | 4.40 | 3.22 | 3.81 | 5.87 | 3.69 | |
| July | 2008 | 4.15 | 4.45 | 2.97 | 3.73 | 3.93 | 4.29 | 3.15 | 3.02 | 5.01 | 3.94 |
| 2009 | 5.46 | 4.85 | 3.91 | 4.50 | 4.43 | 4.62 | 3.37 | 3.95 | 6.26 | 3.91 | |
| August | 2008 | 4.10 | 4.42 | 2.78 | 3.61 | 3.03 | 4.25 | 2.85 | 2.28 | 4.68 | 3.71 |
| 2009 | 5.48 | 4.80 | 3.28 | 4.15 | 3.82 | 4.40 | 2.95 | 3.39 | 5.23 | 3.65 | |
| September | 2008 | 4.28 | 4.55 | 2.95 | 3.78 | 3.25 | 4.45 | 2.95 | 2.47 | 4.82 | 3.82 |
| 2009 | 5.56 | 4.94 | 3.30 | 4.35 | 4.02 | 4.61 | 3.17 | 3.67 | 5.45 | 3.81 | |
| October | 2008 | 2.58 | 3.56 | 2.08 | 2.33 | 2.00 | 3.17 | 2.38 | 1.22 | 3.10 | 2.12 |
| 2009 | 5.62 | 4.96 | 3.34 | 4.45 | 4.03 | 4.66 | 3.37 | 3.72 | 5.50 | 3.08 | |
| November | 2008 | 2.58 | 3.56 | 2.08 | 2.33 | 2.00 | 3.17 | 2.38 | 1.22 | 3.10 | 2.12 |
| 2009 | 2.78 | 3.38 | 1.56 | 2.35 | 1.87 | 2.50 | 1.61 | 1.43 | 1.93 | 1.65 | |
| December | 2008 | 1.97 | 2.92 | 1.97 | 2.01 | 2.30 | 2.51 | 1.54 | 1.30 | 2.21 | 1.67 |
| 2009 | 2.47 | 3.52 | 1.92 | 2.60 | 2.19 | 2.86 | 1.82 | 1.49 | 2.05 | 1.70 | |