Research Article
Comparison of Different Analyzing Techniques in Identifying Rainfall Trends for Colombo, Sri Lanka
Table 2
Trend analysis results for annual rainfall.
| | Station | Test | Annual rainfall | | 5% significance | 1% significance |
| | Dehiwala | MK and Sen’s | Upward trend (18.63 mm/year) | No trend | | SR | Upward trend (18.63 mm/year) | Upward trend (18.63 mm/year) | | GM | No trend | No trend |
| | Padukka | MK and Sen’s | Upward trend (62.24 mm/year) | No trend | | SR | Upward trend (62.24 mm/year) | Upward trend (62.24 mm/year) | | GM | Upward trend | Upward trend |
| | Rathmalana | MK and Sen’s | No trend | No trend | | SR | No trend | No trend | | GM | No trend | No trend |
| | Colombo | No trend for any method | No trend for any method |
| | Angoda | No trend for any method | No trend for any method |
| | Avissawella | No trend for any method | No trend for any method |
| | Hanwella | No trend for any method | No trend for any method |
| | Homagama | No trend for any method | No trend for any method |
| | Labugama | No trend for any method | No trend for any method |
| | Oruwala | No trend for any method | No trend for any method |
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