Research Article
Comparison of Statistical Methods to Graphical Methods in Rainfall Trend Analysis: Case Studies from Tropical Catchments
Table 5
Comparison results for annual rainfalls for Denawaka Ganga catchment.
| | Raingauge station | Statistical trend analysis [18] | Graphical trend analysis |
| | Allupola estate | Yes—upward (15.5 mm) | No | | Hapugastenna estate | Yes—downward (32 mm) | Yes—downward | | Galaboda estate | No | Yes—downward | | Lellopitiya estate | No | No | | Landsdown middle division estate | Yes—upward (56.5 mm) | Yes—upward |
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