| HOUTBAY RIVER: Climate |
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eWISA Home | HOUTBAY: MAIN INDEX | ALPHABETICAL LIST OF RIVERS | ||||||||||||||||||||||
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Map of the HOUTBAY River |
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| TEMPERATURE | |||||||||||||||||||||||
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The catchment lies within the winter rainfall region, which is characterized by hot dry summers and cool wet winters. (Ref 2) | ||||||||||||||||||||||
| RAINFALL | |||||||||||||||||||||||
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Cold frontal depressions in winter bring cool temperatures and rain as they pass eastwards over the souther ocean; these periods of low pressure are usually followed by bright sunny weather in the intervals of high barometric pressure. There is a wide variation in the quantity of precipitation received at different points within the catchment due to its mountainous nature, with the average annual precipitation increasing markedly with altitude. (Ref 2) | ||||||||||||||||||||||
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Winter rainfall is brought by the prevailing north-westerly wind and the catchment receives 60,6% of its annual precipitation during the months May to August, while January and February receive the least. (Ref 2) | ||||||||||||||||||||||
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Mist adds appreciably to the total precipitation in mountainous areas, particularly during the summer months. (Ref 2) | ||||||||||||||||||||||
| References | |||||||||||||||||||||||
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Ref 2: Estuaries of the Cape, Report No. 29 HOUT BAY (CW 27)CSIR RESEARCH REPORT 428 | ||||||||||||||||||||||
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