Table 34 (Cli., Wind )

Average Monthly Wind Speed at Katunayaka ( ｋm / h )

Cli34e

Month

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

January

13.7

10.7

10.8

10.5

15.2

11.6

8.2

12.3

10.9

8.9

10.2

February

8.5

10.5

9.4

8.2

11.3

5.1

9.3

11.0

7.6

9.7

March

6.3

6.9

8.1

7.4

8.1

6.8

8.3

8.5

6.9

7.5

April

6.1

7.9

7.7

7.8

8.5

7.3

3.6

7.1

6.8

6.9

5.9

May

11.4

9.5

10.7

7.7

8.5

8.1

6.0

10.0

8.1

6.9

5.7

June

9.7

10.3

12.9

12.8

12.4

11.3

6.2

9.4

10.3

8.5

July

9.4

10.2

11.3

11.0

10.7

10.1

11.3

10.3

8.1

August

8.7

11.0

11.8

11.9

8.9

9.6

10.6

11.8

10.7

7.8

September

8.8

9.6

10.5

9.5

8.8

7.1

8.1

11.1

6.9

7.1

October

7.6

7.0

8.1

7.2

8.0

5.6

5.8

8.9

7.9

4.1

7.1

November

6.3

7.2

7.3

6.9

7.1

4.1

7.1

6.9

7.8

4.0

5.5

December

8.8

9.9

9.5

10.4

10.5

5.6

13.3

12.3

6.0

5.1

6.3

Source:

Statistical Compendium on Natural Resources Management Sri Lanka 2000,

Ministry of Forestry & Environment

Revised: 2003(y)/12(m)/01(d)

Chief Editor:

Dr. Milton Rajaratne (B.Com., M.Sc., Ph.D.)

The former Head, Department of Management Studies

University of Peradeniya, Sri Lanka