Years

Soil depth, cm

Months

March

April

May

June

July

August

September

1

0 - 10

16.3

19.9

17.5

10.2

13.9

12.8

14.6

10 - 20

16.7

18.7

16.5

12.4

14.7

11.7

15.2

20 - 30

17.6

17.1

17.1

14.2

14.0

13.5

10.9

average

16.8

18.5

17.0

12.3

14.2

12.6

13.5

2

0 - 10

16.9

8.5

7.5

8.9

7.0

7.7

10.0

10 - 20

15.8

13.2

11.4

9.1

10.2

8.9

10.4

20 - 30

15.1

17.0

15.9

9.8

11.7

9.8

12.3

average

16.0

13.0

11.6

9.2

9.6

8.8

11.0

3

0 - 10

12.2

15.3

12.7

10.2

9.2

10.5

12.5

10 - 20

15.3

15.7

15.5

11.9

9.8

11.7

13.0

20 - 30

16.9

16.5

17.1

13.2

12.2

13.5

17.7

average

14.8

15.8

15.1

11.7

10.4

12.0

14.4