Date

Drop in water level [mm]

Time [hrs]

Drop in water level [mm/hr]

21-23 Dec.

40

36

1.67

4-8 Jan.

115

95

1.21

8-9 Jan.

35

23

1.52

13-14 Jan.

45

25

1.80

16-17 Jan.

45

24

1.88

18-21 Jan.

90

71

1.27

21-25 Jan.

120

98

1.22

3-4 Feb.

50

26

1.92

10-11 Feb.

30

22

1.36

Totals

570

420

Weighted av. 1.36 [mm/hr.]