| Japanese | English | Top | ||||||||||
| Table 37 (Cli., Wind ) | ||||||||||||
| Average Monthly Wind Speed at Puttalam ( km / h ) | , | |||||||||||
| Cli37e | ||||||||||||
| Month | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | |
| January | 10.0 | 9.4 | 8.8 | 7.8 | 8.7 | 7.6 | 6.8 | 7.5 | 8.0 | 8.1 | 7.7 | |
| February | 9.2 | 10.1 | 8.1 | 8.0 | 6.9 | 7.7 | 6.3 | 6.3 | 7.8 | 7.5 | 6.8 | |
| March | 7.4 | 7.1 | 6.3 | 6.0 | 6.1 | 6.2 | 6.6 | 6.7 | 6.9 | 6.9 | 6.5 | |
| April | 5.7 | 7.8 | 7.3 | 6.2 | 5.7 | 4.4 | 5.3 | 4.3 | 6.0 | 5.0 | 5.4 | |
| May | 12.4 | 12.8 | 11.4 | 7.5 | 8.1 | 8.5 | 10.1 | 9.2 | 10.2 | 7.6 | 7.7 | |
| June | 14.3 | 14.5 | 14.7 | 13.5 | 13.0 | 11.8 | 9.6 | 12.1 | 9.5 | 9.1 | 11.6 | |
| July | 12.9 | 12.3 | 13.4 | 13.4 | 11.5 | 12.8 | 11.3 | 10.7 | 11.8 | 10.0 | 9.7 | |
| August | 12.4 | 14.0 | 12.5 | 11.3 | 11.5 | 12.4 | 11.9 | 11.6 | 10.5 | 11.5 | 9.4 | |
| September | 12.3 | 12.0 | 11.8 | 10.3 | 9.9 | 11.0 | 9.3 | 11.8 | 10.5 | 9.7 | 10.0 | |
| October | 8.3 | 8.8 | 7.2 | 7.6 | 6.8 | 6.6 | 5.5 | 7.7 | 7.2 | 4.5 | 8.0 | |
| November | 6.2 | 7.4 | 6.6 | 6.1 | 5.6 | 5.6 | 6.3 | 4.8 | 5.2 | 4.1 | 5.0 | |
| December | 7.5 | 9.0 | 7.8 | 6.8 | 7.6 | 6.5 | 7.6 | 7.3 | 5.8 | 5.0 | 6.3 | |
| © 2004, KRI (Kusaka Research Institute) | ||||||||||||
| 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 | ||||||||||||