AVERAGE WATER LEVEL FLUCTUATION IN THE CHENNAI CITY

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FROM JAN' TO NOV' FOR THE YEARS 2010 & 2011

Area year I II III IV V VI VII VIII IX X
Average well Depth in ‘metres’ below ground level  

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)
January 2010

2.84

3.73

2.29

2.98

2.64

3.20

2.11

2.04

2.76

2.17

2011

2.35

3.69

2.28

2.39

2.76

2.96

2.65

2.04

3.60

2.36

February 2010

3.52

4.03

2.71

3.40

3.07

3.46

2.40

2.70

3.20

2.70

2011

2.74

3.99

2.55

2.75

2.94

3.13

2.80

2.29

3.72

2.54

March 2010

4.21

4.51

3.27

4.14

3.36

3.84

2.73

3.06

4.30

3.15

2011

3.51

4.37

2.90

3.41

3.49

3.46

3.05

2.77

4.31

2.97

April 2010

4.60

4.80

3.48

4.79

4.28

4.37

3.10

3.50

5.69

3.66

2011

3.86

4.56

3.07

3.78

3.76

3.64

3.16

3.07

4.78

3.13

May 2010

4.18

4.55

2.62

4.45

3.29

3.57

2.80

2.83

4.14

3.18

2011

4.50

4.79

3.33

4.37

4.02

3.85

3.35

3.22

5.21

3.37

June 2010

3.80

4.45

2.45

4.20

3.01

3.55

2.61

2.36

4.03

3.06

2011

4.76

4.87

3.17

4.56

4.07

3.94

3.41

3.01

5.15

3.05

July 2010

3.25

4.39

2.35

3.63

3.19

3.54

2.93

2.45

4.82

3.22

2011

5.06

5.14

3.26

4.70

4.10

4.01

3.95

3.44

5.51

3.37

August 2010

2.57

4.12

2.10

3.14

2.60

3.11

2.57

2.03

4.16

2.57

2011

4.40

4.65

2.30

3.05

2.50

3.40

3.15

2.20

4.45

2.75

September 2010

2.67

4.22

2.29

3.35

2.91

3.24

2.62

2.25

4.60

2.69

2011

4.10

4.42

2.14

2.51

2.33

2.88

2.80

1.94

4.25

2.59

October 2010

2.13

3.90

1.94

2.55

2.29

2.82

2.20

1.63

3.95

2.30

2011

2.47

4.10

1.65

1.45

1.52

2.04

1.22

1.08

2.72

1.62

November 2010

1.88

3.60

1.70

2.16

1.57

2.48

1.80

0.87

2.76

1.27

2011

2.13

3.20

1.27

1.05

1.43

1.70

1.25

0.96

2.68

1.28


   
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